Wilting is a sign that a plant is already stressed, so don’t wait until you see plants wilt before you water long enough to moisten the soil several inches deep. “They’re rooted in place, so they have to deal with whatever comes along,” said Sharon Yiesla, plant knowledge specialist in the Plant Clinic at The Morton Arboretum in Lisle. “Stretches of severe heat can be hard on them.”
How well a plant handles hot weather depends largely on the climate in the place it originally came from. Many of the annual flowers we use in gardens and containers, such as petunias, zinnias and begonias, as well as vegetables such as tomatoes, peppers and cucumbers, come from subtropical regions of the Americas, Africa, or India, and can handle heat — as long as they have enough water.
. “Wilting means the plants are already stressed,” Yiesla said. “You want to water them in advance to keep them from getting stressed in the first place.” If you do spot plantsA layer of mulch over their roots helps plants in two ways: It insulates the soil against extremes of temperature, and it keeps moisture from evaporating from the soil. You can apply mulch any time, so go ahead and spread it if you haven’t already.
For tree and plant advice, contact the Plant Clinic at The Morton Arboretum . Beth Botts is a staff writer at the Arboretum.Some homebuyers are beating high interest rates with 1980s-era assumable mortgagesGymnast Sunisa Lee halfway to Paris, but Olympic Trials open on sour note
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