Troubleshooting
Delicata squash problems — and how to fix them
Delicata squash (Cucurbita pepo) is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Powdery mildew
Common late summer; resistant varieties available.
Squash bugs
Pick eggs off undersides.
Soft storage
Delicatas keep only 2-3 months; eat early.
Blossom-end rot
Inconsistent watering.
Small fruit
Overcrowding or under-feeding.
Prevent delicata squash problems before they start
Most delicata squash issues are care-mismatch, not bad luck. Dial in the basics:
- Common squash problems — the species this cultivar belongs to
- Common delicata squash problems — our other guide for the same plant
- What's wrong with my plant? — the diagnosis apps compared
- Delicata squash watering schedule
- Delicata squash light requirements
- Best soil mix for delicata squash
- Delicata squash temperature & humidity
- Full delicata squash care guide
Looking for delicata squash in general rather than its problems? Read the full delicata squash care guide — light, water, soil and feeding.
Delicata squash problems — FAQ
Why is my delicata squash powdery mildew?
Common late summer; resistant varieties available.
Why is my delicata squash squash bugs?
Pick eggs off undersides.
Why is my delicata squash soft storage?
Delicatas keep only 2-3 months; eat early.
Why is my delicata squash blossom-end rot?
Inconsistent watering.
Why is my delicata squash small fruit?
Overcrowding or under-feeding.