Zone-Specific Guide
Grow Calendula in Zone 11a
Your complete guide to growing calendula in USDA Hardiness Zone 11a — planting windows, care tips, and harvest timing.
Winter
🌡️ Zone 11a
🏖️ Shade Cloth
Days to Harvest
50–70
Spacing
8–12"
Method
Both
Season
Winter
When to Plant Calendula in Zone 11a
Transplant Outdoors
Nov – Feb
Direct Sow
Nov – Feb
How to Grow Calendula in Zone 11a
📋 Key Timing Note
Only viable in coolest months. Heat kills calendula fast.
Transplant seedlings outdoors between Nov – Feb. Direct sow seeds between Nov – Feb. Space plants 8–12" apart. Expect to harvest in approximately 50–70 days.
🏖️ Shade Cloth Recommended
In Zone 11a, use 30-50% shade cloth during the hottest months to protect calendula from heat stress.
Frequently Asked Questions
When should I plant Calendula in Zone 11a?
Direct sow seeds Nov – Feb.
How far apart should I plant Calendula in Zone 11a?
Space calendula plants 8–12" apart in Zone 11a. This gives them adequate room for airflow and root development.
What pests affect Calendula in Zone 11a?
Common pests for calendula in Zone 11a include aphids. Use companion planting and row covers as first-line defense.
How long until Calendula is ready to harvest in Zone 11a?
In Zone 11a, expect calendula to be ready in approximately 50–70 days from planting. Only viable in coolest months. Heat kills calendula fast.