🌿 When to Plant Basil in Zone 8

Short answer: transplant Mar 22 – Mar 29. Here's the full schedule, built from zone 8's typical frost dates.

TaskWindow
Start seeds indoors
6–4 weeks before last frost
Feb 1 – Feb 15
Transplant outdoorsMar 22 – Mar 29
Direct sowMar 29 – Apr 5
Zone 8 frost window
Mar 15 → Nov 15
~245 frost-free days
Spacing
10″ / 18″
plants / rows
Maturity
30–60 days
from transplant

Growing basil in zone 8

Basil blackens at the faintest frost — never rush it out. Pinch stems just above a leaf pair and the plant doubles instead of flowering; once it blooms, flavor fades, so keep pinching.

Zone 8 covers deep South, central Texas, coastal Pacific Northwest — two full gardens a year — a spring/summer garden and a serious fall/winter one. Zone dates are medians: frost timing varies within a zone with elevation and terrain, so treat these windows as a solid default and refine them with your own city’s dates below.

Make it local

These windows use zone 8's typical frost dates (last frost ~Mar 15, first frost ~Nov 15). For windows computed from your frost dates, run the ZIP code frost lookup and open the planting calendar — it remembers your city. The seed starting scheduler turns the whole seed rack into one printable, date-sorted list.

Frequently asked questions

When do I plant basil in zone 8?

Transplant Mar 22 – Mar 29, counted from zone 8's typical last frost around Mar 15. It has no frost tolerance — a late frost after planting means covering it or replanting.

When should I start seeds indoors for basil in zone 8?

Sow indoors Feb 1 – Feb 15 — that's 6 to 4 weeks before the typical Mar 15 last frost, giving sturdy transplants exactly when the garden is ready for them.

Can I direct sow basil in zone 8?

Yes — direct sow Mar 29 – Apr 5. Transplants buy a head start, but direct-sown plants catch up quickly once soil warms.