Tag Archives: trees

Pest Watch: Emerald Ash Borer

by Susan Ndiaye, Community Horticulture Educator

Close up of an ash tree in which the bark has fallen off leaving a light tan color area
Woodpecker damage on ash tree

Hopefully you’ve spent some time outside enjoying the beautiful spring weather we had last weekend.   Did you noticed any ash trees that look like they have been completely stripped of their bark?  Did you wonder what happened?  Did you think it was a disease, an insect or maybe a deer?  This damaged is actually caused by woodpeckers.  They are searching for emerald ash borer larvae which can be found just below the bark.

Slender shiny emerald green beetle with large black eyes standing on a leaf
Adult emerald ash borer

The emerald ash borer (Agrilus planipennis) is an shiny emerald-colored jewel beetle.  Native to Asia, it was first discovered in North America near Detroit, Michigan in 2002 (most likely hitching a ride here in solid wood packing materials used in the transportation of goods).

Despite its beauty, the emerald ash borer is an invasive insect and has killed hundreds of millions of ash trees throughout North America.  As of April 2020, it has been found in 35 states and 5 Canadian provinces costing municipalities, property owners, nursery operators and forestry product industries hundreds of millions of dollars.

Emerald Ash Borer Lifecycle as described in the textLifecycle

Emerald ash borers, like all beetles, undergo complete metamorphosis.  Usually in June and July, adult females lay 60-90 eggs on the bark of ash trees (Fraxinus spp.).  The eggs hatch and the larvae bore through the outer bark and begin feeding on the inner bark or phloem of the ash tree.  The larvae feed for several weeks growing to rough 1 to 1.25 inches in length.  The larvae then overwinter in the bark.  In the spring they pupate and finally in May and June emerge as adults and exit their host tree by creating a D-shaped whole in the bark.  The adults feed on the leaves of the ash tree, mate, and females lay eggs starting the cycle over.

Damage

As mentioned before, the larvae of the emerald ash borer feed on the inner bark or phloem of the ash tree.  The phloem is part of the vascular system of the plant and is responsible for transporting the sugars produced by photosynthesis in the leaves to the rest of tree.  Damage to the phloem cuts of the nutrient supply and eventually leads to the death of the tree.

An ashe tree with no leaves inthe canopy but lots of leafy shoots covering the trunk
Dying ash tree

One of the first symptoms produced by an emerald ash borer infestation is a thinning canopy.  With fewer leaves the tree’s ability to produce food through photosynthesis decreases and as a result the tree may produce lots of  shoots that sprout from the roots and trunk.  The leaves on these shoots are often larger than normal as the tree tries to compensate for its loss of photosynthetic capability.   The tree’s canopy will continue to thin eventually leaving the tree bare.

Many people do not notice that the canopy of their ash tree is thinning.  For many people, the first symptom that they notice is the woodpecker damage on the trunk.  At this point the tree is usually heavily infested by emerald ash borer and will soon succumb to the infestation.

Management

The emerald ash borer was first detected in New York State in 2009 over in  Cattaraugus County.   Two years later, in 2011, it was detected here in Orange County.  As of right now the majority of trees in Orange County have been infested by the emerald ash borer and are showing signs of decline or have died.   Once you notice that the canopy of your ash tree is thinning  there has already been extensive damage to the vascular system of the tree and even with treatment there is little chance of recovery.

Deciding whether or not to treat your ash tree is up to you.  The first thing to do is make sure you properly identify your tree.

Once you have properly identified your tree there are three option: cut it, treat it, or leave it.

Cut It

Ash trees that create a potential hazard (i.e. proximity to a building) need to be removed.   If you cannot safely remove the tree yourself,  look for a certified arborist near you at www.treesaregood.org.   Many ash trees are being turned into firewood.  Keep in mind that New York State law prohibits the movement of firewood more than 50 miles (linear distance) from its source, specifically to prevent the accidental movement of invasive species like the emerald ash borer.   Don’t Move Firewood!Dontmovefirewood.org

Treat It

Remember that that if you tree is already showing signs of decline it is probably too late to save it through treatment.

If you decide you want to treat your ash tree(s), it is not just a one time investment.  Most treatments only last one or two years before they wear off leaving the tree susceptible to infestation.  This means trees need to be treated ever couple years since at the moment the emerald ash borer looks like it is here to stay.

There are many insecticides on the market that are labeled for emerald ash borer.  Many of them need to be applied by a certified pesticide applicator.  If you are interested in protecting your ash tree(s) check out  Insecticide Options for Protecting Ash Trees from Emerald Ash Borer for more information.

Leave It

If your ash tree poses no potential hazard, consider leaving it.  Although the emerald ash borer has killed millions of ash trees here in North America, there is hope the identification of “lingering ash” or an ash that stays healthy after nearby trees have overwhelmingly succumbed to the emerald ash borer.  The identification of “lingering ash” could help achieve ash species conservation.   Click here to learn more about how you can become a citizen scientist with the Lingering Ash Search through the Monitoring and Managing Ash Program.Decision Tree integrating long-term conservation perspective: Cut it, Treat it, Leave it, Treat

Fun Facts
Biological Control

Although there are some predatory wasps that feed on emerald ash borers, the two avenues of biological control that have shown potential in being able to help manage populations of emerald ash borer are parasitoid wasps and entomopathogenic fungi.

parasitoid wasp
Parasitoid wasp (Spathius galinae)

Let’s start with the parasitoid wasps.  Three species of parasitoid wasps found in the emerald ash borer’s native range were were considered potential biological control agents.  These parasitoids are natural enemies of the emerald ash borer and have long ovipositors that allow them to drill into the ash trees and lay their eggs on the emerald ash borer larvae.  Once the eggs hatch the wasp larvae consume the emerald ash borer larvae alive.  (Note: In order to get permission to release these parasitoid wasps in the United Stated, it took four or five years of research to make sure that they  were host specific to emerald ash borer and wouldn’t impact any other similar species.)  Of the three species released, two are showing promise, although research is still being done regarding their dispersal, spread, and ability to overwinter.

Onto the entomopathogenic fungus, Beauveria bassiana.  When spores of this fungus come in contact with the emerald ash borer, they germinate and penetrate the cuticle of the insect.  The fungus continues growing inside the insect eventually killing it.  Although research has show that this fungus can kill the emerald ash borer, more research is need to see if it is effective form a biological control out in the field.

Phenology
Two adult emerald ash borers emerging from an ash tree. One one is have way out and the other's head is just visble as in the D-shaped hole it has created.
Two emerging adult emerald ash borers

Many things in nature are governed by the weather, such as the hatching of bagworm eggs and in this case the emergence of emerald ash borer adults.  You can track this year’s emergence using the “Emerald Ash Borer Forecast“.  This forecast is updated daily and available six days in the future.  Emerald ash borer adults are rarely seen.  Once they emerge, they fly up into the canopy to feed on the leaves.  But if you know when they are emerging you can be on the look out and might be lucky enough to find one.

The Oleaceae Family
Olive tree branch with two clusters of olives
Olive tree

The ash tree is a member of the Oleacae Family and researchers have found that the emerald ash borer can also complete its life cycle in another well-known member of the Oleacae family, the olive tree (Olea europaea).  Although this has only been shown in a laboratory project, there is a possibility that the emerald ash borer could become a problem for olive growers.

Another member of the Oleacae family, the white fringetree (Chionanthus virginicus) is also used as a host for the emerald ash borer.  Although when infested some of these trees don’t survive, a recent study found that white fringetrees are likely to withstand attacks by the emerald ash borer.

Resources

Ash Tree Identification – Michigan State University Extension

Distinguishing Ash from other Common Trees – Michigan State University Extension

Emerald Ash Borer Information Network

Emerald Ash Borer Forecast – National Phenology Network

Insecticide Options for Protecting Ash Trees from Emerald Ash Borer

Signs and Symptoms of the Emerald Ash Borer – Michigan State University Extension

Upcoming Events: Online Gardening Classes

Looking for an online gardening class?

Check out these classes being offered by Cornell Cooperative Extensions around the state. 

Click on the topic to see what classes are being offered.

Container Gardening

Six heads of large heads of green and red lettuce growing in a raised garden bedGrowing Edibles in Containers

Monday, April 27, 2020
4:00 PM – 5:30 PM
Cornell Cooperative Extension
Broome County

A cluster of cherry tomatoes growing on a tomato plant wet with the morning dew.Crops in Pots – Growing Vegetables in Containers

Monday, April 27, 2020
4:00 PM – 5:30 PM
Cornell Cooperative Extension
Rockland County

A short wooden tub set next to a tree overflowing with plants: a tall grass with red leaves, a bright green plant with white veins and a dark purple plant spilling over the edge.Creative Container Gardening

Wednesday, May 27, 2020
6:00 PM – 8:00 PM
Cornell Cooperative Extension
Tompkins County

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Composting Classes

Two hands holding finished compostMagic Compost

Tuesday, April 28, 2020
10:00 AM – 11:00 AM
Cornell Cooperative Extension
Suffolk County

Pile of kitchen scraps, mostly peels of various fruits and vegetables, spead out on top of a compost pileComposting Basics

Wednesday, April 29, 2020
7:00 PM – 8:00 PM
Cornell Cooperative Extension
Oneida County

Three large compost bins, one made of wire fencing and two made of palletsComposting

Friday, May 8, 2020
12:00 PM – 12:45 PM
Cornell Cooperative Extension
Schenectady County

Full Wooden Compost BinHome Composting

Monday, May 11, 2020
1:00 PM – 2:00 PM
Cornell Cooperative Extension
Jefferson County

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Cut Flowers

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Wednesday, April 29, 2020
6:00 PM – 8:00 PM
Cornell Cooperative Extension
Tompkins County

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Edible Landscaping

A vegetable garden with a combination of cabbage surrounded by small yellow and orange flowers and dark purple leafy greensEdible Landscaping

Monday, May 4, 2020
1:00 PM – 2:00 PM
Cornell Cooperative Extension
Jefferson County

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Fruit

Two small light green fruits (pawpaws) growing of a branchGrowing Unusual Fruits

Wednesday, May 20, 2020
6:00 PM – 8:00 PM
Cornell Cooperative Extension
Tompkins County

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Native Plants

Swamp Milkweed - Lots of small pink flowersNative Plants

Wednesday, April 29, 2020
4:00 PM – 5:30 PM
Cornell Cooperative Extension
Rockland County

Small Tree covered with Pink FlowersUsing Native Plants in the Landscape

Tuesday, May 5, 2020
8:30 AM – 12:30 PM
Cornell Cooperative Extension
Nassau County

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No-Till Gardening

Light purple clover flower against a background of green leavesNo-Till Gardening Techniques

Wednesday, May 6, 2020
6:00 PM – 8:00 PM
Cornell Cooperative Extension
Tompkins County

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Pest Management

Yellow beetle with black spotsGarden Pest and Disease Management

Tuesday, April 28, 2020
5:00 PM – 6:00 PM
Cornell Cooperative Extension
Lewis County

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Pollinators

A butterfly on a pink zinniaAttracting Pollinators to Your Garden

Tuesday, April 28, 2020
6:00 PM – 7:00 PM
Cornell Cooperative Extension
Schenectady County

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Saturdays, May 2 & 9, 2020
9:30 AM – 11:00 AM
Cornell Cooperative Extension
Putnam County

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Monday, May 18, 2020
1:00 PM – 2:00 PM
Cornell Cooperative Extension
Jefferson County

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Pruning

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Monday, April 27, 2020
6:30 PM – 7:30 PM
Cornell Cooperative Extension
Tompkins County

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Soil

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Wednesday, May 6, 2020
2:00 PM – 3:00 PM
Cornell Cooperative Extension
Chemung County

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Wednesday, May 6, 2020
6:00 PM – 8:00 PM
Cornell Cooperative Extension
Tompkins County

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Ticks

Blacklegged Tick Don’t Get Ticked NY

Tuesday, May 5, 2020
6:00 PM – 7:30 PM
Cornell Cooperative Extension
Schenectady County

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Vegetable Gardening Classes

Six heads of large heads of green and red lettuce growing in a raised garden bedGrowing Edibles in Containers

Monday, April 27, 2020
4:00 PM – 5:30 PM
Cornell Cooperative Extension
Broome County

A cluster of cherry tomatoes growing on a tomato plant wet with the morning dew.Crops in Pots – Growing Vegetables in Containers

Monday, April 27, 2020
4:00 PM – 5:30 PM
Cornell Cooperative Extension
Rockland County

A hand holding bunch of freshly picked radishes Three Steps to a Successful Vegetable Garden

Wednesday, April 29, 2020
2:00 PM – 2:30 PM
Cornell Cooperative Extension
Chemung County

Pile of cucumbers, a red, yellow and green pepper, green onions, tomatoes, a bunch of parsley and a sprig of rosemaryVegetable Gardening

Friday, May 1, 2020
12:00 PM – 1:00 PM
Cornell Cooperative Extension
Schenectady County

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Saturday, May 2, 2020
10:00 AM – 12:30 PM
Cornell Cooperative Extension
Tompkins County

Light purple clover flower against a background of green leavesNo-Till Gardening Techniques

Wednesday, May 6, 2020
6:00 PM – 8:00 PM
Cornell Cooperative Extension
Tompkins County

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Wednesday, May 6, 2020
7:00 PM – 8:00 PM
Cornell Cooperative Extension
Oneida County

A cucurbit seedling showing the two cotyledons and the first true leaf just starting to unfold.Planting a Vegetable Garden

Monday, May 11, 2020
2:00 PM – 3:00 PM
Cornell Cooperative Extension
Chemung County

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Wildlife Management

A baby deer (fawn) munching on a clover in a lawnWildlife Management

Thursday, April 30, 2020
4:00 PM – 5:30 PM
Cornell Cooperative Extension
Rockland County

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April is Citizen Science Month!

What is citizen science? 

Scientists are limited in the amount of data they can collect by both time and money.  With help from members of the general public, known as citizen scientists, researchers are able to crowd source data collection collecting more data from more places helping them find answers to real-world questions.

So if you want to do something fun and educational that contributes to the advancement of scientific knowledge, consider becoming a citizen scientist.

Citizen Science Projects


Monarch Butterfly (Orang and Black) - Jouney NorthThe Journey North

This project focuses on migration and seasonal changes.   People all over the United States, Canada, and Mexico, report sightings of birds, monarchs, frogs, and other organism.   Watch as reported sightings are mapped in real-time as waves of migrations that move across the continent.


inaturalist logoi-Naturalist

iNaturalist lets you photograph, identify, and document what’s around you.  Every observation can contribute to biodiversity science, from the rarest butterfly to the most common backyard weed.  By sharing your observations with scientists, you will help build our understanding of the natural world.

Never Home Alone

In studying life, scientists have overlooked many regions. Some regions have not been studied because they are so remote. Others because they are so diverse that it is hard to know where to even begin. Then there is the great indoors, which we believe has been understudied in part because it is so immediate. This project aims to document the species that live indoors with humans.


The Cornell Lab of Ornithology - Logo with Bird in MiddleThe Cornell Lab of Ornithology

Hundreds of thousands of people around the world contribute bird observations to the Cornell Lab of Ornithology each year, gathering data on a scale once unimaginable. Scientists use these data to reveal how birds are affected by habitat loss, pollution, disease, climate, and other environmental changes. Your participation will help trace bird migration, nesting success, and changes in bird numbers through time.

Celebrate Urban Birds

Celebrate Urban Birds is a citizen science project focused on better understanding the value of green spaces for birds. This project connects people of all ages and backgrounds to birds and the natural world through the arts and fun neighborhood activities.

e-bird

The goal of this project is to gather this information on bird sightings, archive it, and freely share it to power new data-driven approaches to science, conservation and education.  e-Bird also develops tools that make birding more rewarding.  It provides the most current and useful information to the birding community from photos and audio recordings, to seeing real-time maps of species distribution and alerts that let you know when species have been seen.

NestWatch

NestWatch is a nationwide monitoring program designed to track status and trends in the reproductive biology of birds, including when nesting occurs, number of eggs laid, how many eggs hatch, and how many hatchlings survive.  Their database is intended to be used to study the current condition of breeding bird populations and how they may be changing over time as a result of climate change, habitat degradation and loss, expansion of urban areas, and the introduction of non-native plants and animals.


Logo - The Tick App - Bulls Eye with a the outline of a tick in the miidle suurounded by the words The Tick AppThe Tick App

The Tick App allows people living in high-risk areas for Lyme disease, like Orange County New York, to participate in a tick behavioral study.   Participants complete daily logs and report ticks.  The app provides information on how to remove ticks, prevent tick bites, and general information about ticks.   When enough people are involved, it can also provides information about blacklegged and deer tick activity in our area.


Monarch Caterpilar (Yellow, white, black stripped) on a green leaf - Monarch Larva Monitoring ProjectMonarch Larva Monitoring Program

This citizen science project’s mission is to better understand the distribution and abundance of breeding monarchs and to use that knowledge to inform and inspire monarch conservation.  People from across the United States and Canada participate in this monarch research.  Their observations aid in conserving monarchs and their threatened migratory phenomenon, and advance the understanding of butterfly ecology in general.


Logo - Monarch Watch.org Education, Conservation, ResearchMonarch Watch

Monarch Watch strives to provide the public with information about the biology of monarch butterflies, their spectacular migration, and how to use monarchs to further science education in primary and secondary schools. They engage in research on monarch migration biology and monarch population dynamics to better understand how to conserve the monarch migration.

Monarch Calendar Project

In the spring and fall volunteers collect observations of adult monarchs.  This information is used to  assemble quantitative data on monarch numbers at critical times during the breeding season.

Tagging Monarchs

Each fall Monarch Watch distributes more than a quarter of a million tags to thousands of volunteers across North America who tag monarchs as they migrate through their area. These citizen scientists capture monarchs throughout the migration season, record the tag code, tag date, gender of the butterfly, and geographic location then tag and release them. At the end of the tagging season, these data are submitted to Monarch Watch and added to their database to be used in research.


Logo - The Lost Ladybug ProjectThe Lost Ladybug Project

In the past twenty years, native ladybugs that were once very common have become extremely rare.  During this same time, ladybugs from other parts of the world have greatly increased in both numbers and range. This is happening very quickly and no one knows how, why, or what impact it will have on ladybug diversity.  Citizen scientists involved in this project help scientists answer these questions by photographing ladybugs and submitting the photos along with information about when and where the ladybugs were found.


Logo - Vegetable Varieties for GardenersVegetable Varieties for Gardeners

A project of Cornell University’s Garden Based Learning, this web forum provides an avenue for gardeners to share knowledge.  Gardeners report what vegetable varieties perform well – and not so well – in their gardens.  Other gardeners can view ratings and read the reviews to decide which might work well for them.  Researchers  use the information gain new insight into the performance of vegetable varieties under a wide range of conditions and practices. The information gathered is also used to make a  Selected List of Vegetable Varieties for Gardeners in New York State.


Logo - The outline of New York State under a picture of a moth, a beetle, a moth and a fly with the words Empire State Native Pollinator SurveyEmpire State Native Pollinator Survey

Native pollinators play an essential role in the pollination of flowering plants, including native plants and wildflowers, garden plants, as well as cultivated crops. Some native pollinator species have suffered population declines over the last few decades.   Participants  in this study submit photographs and/or specimens to help  determine the conservation status of a wide array of native insect pollinators in non-agricultural habitats.


iMapInvasivesiMapInvasives

iMapInvasives is an on-line, GIS-based data management system used to assist citizen scientists and natural resource professionals working to protect our natural resources from the threat of invasive species.  Citizen scientists are provided with resources to help them identify invasive species. Their invasive species findings are aggregated with data from a wide variety of sources contributing to early detection of invasive species as well as analysis of management strategies.


A curated beetle collection with pinned specimens above tagsNotes from Nature

Natural history museums across the world share a common goal – to conserve and make available knowledge about natural and cultural heritage. The Notes from Nature project gives you the opportunity to make a scientifically important contribution towards that goal by transcribing museum records. Every transcription that is completed brings us closer to filling gaps in our knowledge of global biodiversity and natural heritage.


Logo - citizenscience.orgCitizen Science Database

This is an official government website designed to accelerate the use of crowdsourcing and citizen science across the U.S. government.  It includes a searchable database of  a government-wide listing of citizen science and crowdsourcing projects designed to improve cross-agency collaboration, reveal opportunities for new high-impact projects, and make it easier for volunteers to find out about projects they can join.


Become a Citizen Scientist today!

Out in the Garden

As the days get warmer and the sun sets later and later, I hope you all have the opportunity to spend more and more time outside.  Sunshine and fresh air are good for the soul!

If you happen to have a garden or have decided that this is the year to start one there are lots of things to keep you busy at this time of year!

Perennial Beds

A mantis egg mass, straw colored foam like mass the size of a golf ball, on the branch of a forsythia bush covered with yellow flower buds
Mantis ootheca on forsythia

Hopefully you waited until spring to clean up your garden to allow beneficial insects and other arthropods such as bees and butterflies to overwinter.  Now that spring has sprung you should leave debris as long as you can to give these creatures a chance to emerge from their winter hiding places.  You should start carefully removing debris from around blossoming plants.  If you must cut back hollow stems, bundle them so any pollinators overwintering inside have a chance to emerge.   As you are cleaning up be on the look out for praying mantis egg cases know as ootheca.   This is one time when you should leave things till tomorrow!

Freshly mulched garden bed in front of a house
Freshly mulched garden beds

Mulching is another spring time activity.  There are many different types of organic mulch that will not only suppress weeds, but also add organic material to the soil as they break down.  You don’t have to mulch everything, in fact many ground nesting bees such as bumble bees need a bit of bare earth to make their nests.  And if you are mulching your trees make sure to keep the mulch at least 3 inches away from the base of the tree so that it is not touching the bark.

And it is never to early to start weeding!  Lots of winter annual weeds such as common chickweed and prickly lettuce have already sprouted!

Vegetable and Herb Gardening

Starting Seeds Indoors

It is not to late to seed one more round of cool season crop such as cabbage, kale,  and lettuce, but it is also time to start seeding warm season crops such as eggplant, peppers, and tomatoes.

To start seeds you will need:

      • seeds
Several flats of seedlings
Flats of seedlings

There are lots of places online where you can purchase seeds. If you still have seeds left over from last year and don’t know if they are still good, don’t throw them out, try this simple home germination test.

      • sterile potting mix

It is important to use sterile potting mix to avoid disease issues like damping off.  Do not reuse potting mix and do not use garden compost.

      • container
20 or 30 chard seelings sprouting in a small plastic container filled with soil
Rainbow chard seedlings in a supermarket salad container

You don’t need to buy a fancy container to start seeds.  Just make sure the container has been sterilized and has drainage holes.

      • water

You want to keep the soil moist, but be careful not to over water or you may have a problem with damping off.

      • light source
A bookcase converted into a light frame for seedlings -grow lights above seed trays placed on the shelves
Bookcase converted into a grow frame

Some seeds need  light to germinate, but all seeds need light after they germinate. Once your seeds sprout  a light source will help prevent them from becoming leggy.  You can purchase grow lights or just use a soft white fluorescent bulb.  Here are directions on how to build a Low-Cost Grow-Light Frame.

      • heat
Mini greenhouse made from areused plastic container covering a small tray with 8 small cups of soilEight small cups of soil
Mini greenhouse

Most seeds will germinate between the temperatures of 55°F and 75°F,  but the optimal temperature for each type of seed varies.  You can create a mini-green house to trap heat and moisture.  You can also buy heating mats to warm the soil.  Click here to see  Soil Temperature Conditions for Vegetable Seed Germination.

Out in the Garden

A small child in a jean shirt, teal skirt and bright yellow rain boots put seeds in the ground
Planting peas

Gardening is an activity for the whole family!  Children love helping plant seeds!  Right now you can be direct seeding cool season crops in your garden such as beets, carrots, lettuce, peas, radishes, spinach, and turnips.  If you want to have a continual harvest, consider succession planting or  seeding several smaller plantings of the same crop at timed intervals, rather than all at once.

Chive plant in a raised garden bed
Chives

While most people are busy seeding, some perennial plants are already coming up or even ready to harvest!  Chives are a great example of a perennial that allows you add something fresh and green to your meals in the early spring.  If you planted chives in your garden last year, they are probably already making their way to your table.  This perennial of the onion family begins growing in early March and is able to be snipped with scissors and eaten soon after and throughout the growing season right up until the fall frost.

Crinkly green and dark purple leaves with bright pink stems sticking out ogf the soil
Rhubarb

Another perennial making an appearance is rhubarb!  Rhubarb is a great addition to any vegetable garden and as it is deer resistant and highly attractive it can also be used as part of your edible landscape.  Although the leaves of rhubarb are considered poisonous, the stems of this spring crop that can be used to make the classic strawberry rhubarb pie as well as many other delicious snacks.

Click here for vegetable gardening resources! 

And as always, if you are having any issues in your garden, need help identifying the cause of a problem or figuring out a management strategy give us a call.  Our Garden Helpline phones are staffed April – November, Monday, Wednesday, and Friday, from 9:30 am – 12:30 pm.  But you can always leave us a message or send us an e-mail.

Call (845) 343-0664 or e-mail your questions to mghelpline@cornell.edu.


Whatever kind of garden you have, spend some time enjoying its beauty!

A hanging ball of greens and fuzzy pussy wilow branches
December’s Kissing Ball transformed into a ‘Kitty Ball’ by the addition of Pussy Willow branches

Thanks to all of the Master Gardener Volunteers who provided their thoughts and photos for this post!