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Hydrangeas are a popular shrub with colorful flowers that bloom in the summer. Here's how to plant, prune, and grow them so they'll thrive in your garden.
Ideally, you would not transplant a hydrangea during the summer. If it's absolutely necessary to transplant a hydrangea during the summer, try to find a stretch of days where the weather is ...
The milder winter surrounded by a rainy summer/fall last year and healthy showers this spring have made for more buds and blooms this year. What does an unhealthy hydrangea look like?
Stone fruit trees and certain other plants of temperate climate develop next year's buds in the summer. In the autumn the buds become dormant, and the switch to proper, healthy dormancy is triggered by a certain minimum exposure to chilling temperatures. Lack of such exposure results in delayed and substandard foliation, flowering and fruiting.
The low latitude and often stable weather in Florida, the Gulf Coast, and southern Arizona and California, are responsible for the rarity of episodes of severe cold relative to normal in those areas. The warmest zone in the 48 contiguous states is the Florida Keys (11b) and the coldest is in north-central Minnesota (2b).
Growing degree days (GDD), also called growing degree units (GDUs), are a heuristic tool in phenology.GDD are a measure of heat accumulation used by horticulturists, gardeners, and farmers to predict plant and animal development rates such as the date that a flower will bloom, an insect will emerge from dormancy, or a crop will reach maturity.
Hydrangeas are stunning so it makes sense to want them to last as long as possible. However these flowers are known to wilt very quickly. Here are 7 steps to help these beautiful flowers last longer.
Hydrangea flower color changes based on the pH in soil. As the graph depicts, soil with a pH of 5.5 or lower will produce blue flowers, a pH of 6.5 or higher will produce pink hydrangeas, and soil in between 5.5 and 6.5 will have purple hydrangeas. Hydrangea flower color can change based on the pH in soil.