When to Plant Swiss Chard in Saint Petersburg, Florida (33708)
Location
Saint Petersburg, Florida
ZIP Code
33708
USDA Zone
10b
Last Frost
Friday, January 15, 2027
📅 Planting Calendar
Direct Sow Outdoors Friday, December 4, 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
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 1-7 days
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Growing Swiss Chard in Zone 10b
Swiss Chard (Beta vulgaris ) is a popular garden vegetable. In Saint Petersburg, Florida, which is in USDA Hardiness Zone 10b, you should direct sow seeds around Friday, December 4, 2026.
Your average last frost date is Friday, January 15, 2027. Swiss Chard grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.