Skip to content
Quick Answer: ✅ Yes — Microgreens grow indoors here regardless of outdoor conditions — they are a year-round indoor crop.
✅ Yes

Microgreens grows well in Zone 11a

Microgreens grow indoors here regardless of outdoor conditions — they are a year-round indoor crop.

📅 When to Plant in Zone 11a

Direct Sow Jan 1
Last Sow Date Dec 10
🌾 Harvest Jan 8 – Jan 22

Based on Zone 11a's average last frost of no frost and first frost of no frost.

🌱 Growing Microgreens in Zone 11a

Sow seeds densely in a shallow tray with seed-starting mix. Keep moist and bright or under a grow light. Harvest with scissors just above soil level when first true leaves appear.

🏠 Indoor Viable💧 Hydroponic OK

🗺️ USDA Plant Hardiness Zones

Zone 11 is shown in this colour on the map below
2023 USDA Plant Hardiness Zone Map — zones 1 to 13

2023 USDA Plant Hardiness Zone Map — public domain. USDA Agricultural Research Service

USDA zones run 1a–13b (26 half-zones). Each full zone above covers both the a and b half-zones. Browse all US zones →

Technical climate details for Zone 11a
USDA Zone
11a
Last Frost
no frost
First Frost
no frost
Frost-Free Days
365
Microgreens Zone Range
1a – 11b
Days to Harvest
7–21 days

Frequently Asked Questions

Microgreens grow indoors here regardless of outdoor conditions — they are a year-round indoor crop.
Zone 11a is in USDA Hardiness Zone 11a with approximately 365 frost-free days per year.
Microgreens grows in USDA Zones 1a–11b.
Microgreens is beginner-friendly and one of the easier crops to grow.