Planting and care
How to grow yellow summer squash
When to grow
Warm season · Annual
How to start
Direct seed or transplant
Mature size
3–4 ft spread
Time to harvest
About 45–60 days from seed.
Feeding needs
Heavy feeder
Growth habit
Large Sprawler
How to prune
Remove dead or diseased leaves at their stems with clean pruners; do not cut the main stem or hollow leaf stalks unnecessarily. Avoid heavy defoliation; inspect the crown for vine borer damage.
How to harvest
Clip tender fruit with a short stem attached, usually at 6–8 inches for zucchini and 4–6 inches for yellow squash. Check daily; oversized fruit is less tender and slows production.
Harvest and kitchen use
Grilled, sautéed, baked, stuffed; blossoms can be edible
Nutrition and garden value
Vitamin C, potassium and water
Very high yield from a single plant
Common challenges and troubleshooting
Squash vine borer, squash bugs and powdery mildew