🌱 MyLocalPlanting

When to Plant Swiss Chard in Zone 11B

USDA Zone

11B

Cities Covered

14

Avg Last Frost

Friday, January 1, 2027

Plant Type

Direct Sow

📅 Planting Calendar for Zone 11B

Direct Sow Outdoors Friday, November 20, 2026

Pro Tip: Swiss Chard can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Beta vulgaris
Days to Maturity 280 days
Sun Requirements Full Sun

Cities in Zone 11B

Other Plants for Zone 11B

Browse Other Zones

Growing Swiss Chard in USDA Zone 11B

Swiss Chard (Beta vulgaris ) grows well in USDA Hardiness Zone 11B. This zone includes cities like Long Key, Islamorada, Key West and 11 more.

The average last frost date for Zone 11B is around Friday, January 1, 2027. Swiss Chard can be directly sown outdoors around Friday, November 20, 2026.

Expect to harvest your Swiss Chard approximately 280 days after planting.