Pocket BotanistCheck these first
- Feel the soil to check for dryness.
- Observe if the plant perks up in the evening.
- Check if the pot is too small for the root system.
Likely causes
Underwatering
Most likelyHow to tell: The entire plant wilts and the soil feels bone dry to the touch. The leaves may feel thin or brittle.
What to do: Give the plant a thorough watering until water runs out of the drainage holes. Check the soil every 2 days to maintain consistent moisture.
Heat Stress
PossibleHow to tell: The plant droops during the hottest part of the day even if the soil is moist. It usually perks back up once the sun goes down.
What to do: Provide a bit of afternoon shade if temperatures are consistently above 85 degrees. Mulch around the base to keep the roots cool.
Find out what's wrong with your sweet alyssum
The list above covers the usual causes. Pocket Botanist looks at a photo of your actual plant and tells you the likely cause, how serious it is, and what to try first. Identification and a health check are free.
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When to worry
It is normal for plants to wilt slightly in extreme afternoon heat. Worry if the plant stays limp even after you water it and the temperature drops.
Stopping it coming back
Keep the soil consistently moist and provide light shade during intense heat waves.
Keep your sweet alyssum healthy from here
Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked. Identification and a health check are free.
Questions people ask
- Will my plant recover after drooping?
- If it is just thirsty, it should bounce back within a few hours of watering. If the roots have been damaged by extreme heat, it may take longer.
- How often should I water in summer?
- Check the soil every 2 days. You may need to water more frequently when it is very hot and dry outside.
More problems with Sweet Alyssum
Back to the Sweet Alyssum guide
This article was generated with AI from the plant’s care profile and is general information, not horticultural advice. Read about how we build these guides.