An exception to the rule of “no need to cover hydrangeas… Here’s how to revive wilted hydrangeas and get them looking great again! If the blooms start to wilt, shock them back by dunking the whole flower head in warm water for a few minutes. This new way of watering the flowers has changed my hydrangea-loving life. A temperature between 65 and 75 degrees Fahrenheit is ideal, with temperatures that do not fall below 50 degrees Fahrenheit at night. Most hydrangeas do not like the full sun; they need a few hours of direct sunlight a day; the rest of the time, they prefer to be in the shade. Wilt and browning are difficult to diagnose, as there are many factors that may be the cause: too much sun, wind, not enough water, to much water, etc. To be honest, I have never used it for anything but flowers haha. The most comfortable temperature for these plants is 70 ° F (21 ° C). And if those hydrangeas wilt even so, fill the sink with water and soak the heads in it for several hours. Yes, the blooms- not the stems. For real. Water your hydrangea less if the soil is soaking wet. We have 14 plants, and this year several plants have suddenly developed wilting stem and died. Everyday Care of Hydrangeas. Hydrangeas do not like wet feet and irreversible rot can occur if it is watered too much. Water your hydrangea if it is wilting and the soil is dry. Hydrangeas tend to become especially stressed in hot sunny conditions, they perform best in morning sun or partially shady areas. Oh my golly – I tried your suggestion to revive my cut hydrangeas that were wilting and I cannot believe how stunning they are!!! It’s not uncommon to find them suddenly tired and wilting, as if they’re on death’s doorstep. Bigleaf hydrangeas are suitable for U.S. Department of Agriculture plant hardiness zones 5 through 11. Hydrangeas do not wilt in the heat here, it's over 90 every day for months. If the hydrangea is subjected to extreme heat, the foliage begins to wilt, and the flowers begin to lose their petals. I did it about 3 hours before I went to bed and she minimal results. Looking at weather.com for Springfield, MO, looks like there's already more rain than in all of June, on average. Hydrangea wilting in the sun and heat. The bouquet of white hydrangeas Ryan brought home lasted for just over two weeks when watered this way. What happening and what can I do – Thanks in advance! Alum is a spice that I believe is used for pickling or the like. Hydrangeas grow and bloom best in areas where they can get at least a few freezes in the winter. 4. A hydrangea's flowers signal the end of their bloom period by wilting and drying. However, not everyone has the opportunity to … Your hydrangeas may even seem to shrink from one year to the next. Q • I have for several years had beautiful hydrangea blooms from several different varieties. 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