What can I plant in September in zone 13a?

In USDA hardiness zone 13a (last spring frost around Apr 12, 2026, first fall frost around Dec 1, 2026), September is a good time to direct sow outside annual ryegrass, crimson clover, hairy vetch, rye; plant out elephant garlic, garlic.

What to plant in September in zone 13a

6 crops to start indoors, direct sow, transplant, or harvest in September in USDA hardiness zone 13a. Typical last spring frost around Apr 12, 2026, first fall frost around Dec 1, 2026 — exact dates vary by location within the zone.

Want exact September dates for your address in zone 13a, a drag-and-drop bed layout, and sowing reminders? Enter your ZIP:

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Direct sow outside

Sow these straight into the garden bed this month.

Annual Ryegrass
Crimson Clover
Hairy Vetch
Rye

Plant out

Set out these crops (sets, tubers, or starts) now.

Elephant Garlic
Garlic

Keep going

Full zone 13a planting calendar →
What to plant in September (all zones) →
Succession planting for a continuous harvest →

Timings use NOAA 1991–2020 climate normals for a representative location (ZIP 96739) in zone 13a, computed with the same engine as GardenDraft’s in-app schedule. Guidance, not guarantees — your exact dates depend on your address.