Home › Crops › Thyme › Zone 9a
When to plant thyme in Zone 9a
In Zone 9a, start indoors around December 29 – January 12 and transplant around March 2 – March 16.
Your thyme timeline — Zone 9a
| Start indoors | December 29 – January 12 |
|---|---|
| Transplant | March 2 – March 16 |
| Zone 9a last frost | ~03/02 |
| Zone 9a first frost | ~11/25 |
Start indoors; set out 1 week after the last frost. [src]Cited: Johnny's Selected Seeds — Seed-Starting Date Calculator chart
Dates computed from Zone 9a's median NOAA frost normals and the cited rule. Your town may differ by a week or two — check your exact ZIP.
What you'll need
Affiliate links — as an Amazon Associate we may earn from qualifying purchases, at no extra cost to you.
Last verified 2026-07-17. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rule: Johnny's Selected Seeds — Seed-Starting Date Calculator chart.