Drought stress (water shortage)
Wassermangel
This description was machine-translated.
How to spot it
Drought stress arises when plants cannot take up enough water over a longer period, usually during persistent heat with no rain. Typical signs are wilted, drooping leaves that no longer recover during the day, along with brown, crispy leaf margins. Shallow rooters such as hydrangea and rhododendron react particularly quickly, because their roots barely reach any reserves in the deeper soil. Left untreated, leaf drop and flower drop follow, and on vegetables such as tomato and cucumber blossom end rot and small, hard fruits.
Prevention
A thick mulch layer of bark mulch, straw or grass clippings keeps the soil moist and cool and is the most effective prevention. Watering deeply rather than often, ideally early in the morning straight at the root, encourages deep rather than surface rooting. For new plantings choose a partly shaded, wind sheltered position and prefer drought tolerant varieties wherever the crop allows it. Water butts and drip irrigation help to use water in a targeted and sparing way.
Affected plants
These plants in our database are especially susceptible.
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