Growing Squash (Summer) in Zone 10B

Summer squash including yellow squash and pattypan grows fast and produces prolifically in warm weather.

Zone 10B has a very long growing season with mild winters. Many crops can be grown nearly year-round with successive plantings.

Top Growing Tips

• Direct sow after all frost danger has passed
• Space plants 3-4 feet apart for air circulation
• Harvest when small (6-8 inches) for best flavor
• Watch for squash vine borers — wrap stems with foil
• Pick every 2 days to keep plants producing

Companion Planting

Good companions: corn, beans (Three Sisters), nasturtiums, marigolds

Avoid planting near: potatoes

Harvest Timeline

45-55 days from seed

About Zone 10B

USDA Hardiness Zone 10B has an average last spring frost around Jan 15 and first fall frost around Dec 31. All planting dates above are calculated from these frost dates. Your specific location may vary — check with your local extension office for the most accurate dates.