 “It is not the soil pH by itself but the availability of aluminum.”
Bill Miller explaining what influences the color of hydrangea blossoms and why a single bush can have different-colored flowers in The Pink and the Blue in the August 1 New York Times. “As for a multicolored plant, Dr. Miller suggested two explanations: In limey soil, a plant that started out blue may make a partial transition to pink; or near new construction, where fill soil has been brought in, some roots may be in acidic soil, while five feet away, others are exposed to aluminum ions.” |
 “Most landscape managers, especially in areas with adequate rainfall take their high quality irrigation water for granted. If the population continues to grow, the leadership effort by the turf industry in using effluent water could be viewed as facilitating ‘smart growth.’ In other words, communities will need landscapes as outlets for society’s waste, whether it is water or compost.”
Frank Rossi in Reclaimed water, cover story in July 27 issue of Lawn and Landscape. |