🌿 When to Plant Basil

When should I plant basil?

Plant basil outdoors 2 weeks after last frost. For a head start, start seeds indoors 4 weeks before your area's last frost date.

Is basil frost sensitive?

Yes — Basil is frost-sensitive and will be damaged or killed by temperatures at or below 32°F. Wait until all frost danger has passed and nighttime lows are consistently above 50°F.

What temperature does basil need?

Basil grows best between 65°F and 90°F. It can survive down to 50°F, but growth slows significantly below 65°F. Warm nights are especially important once fruiting begins.

How long does basil take to grow?

Basil typically takes 24–35 days from transplant (or direct sow) to first harvest.

Should I start basil seeds indoors?

Yes — start basil seeds indoors 4 weeks before your area's last expected frost date. This gives seedlings time to develop strong roots before outdoor conditions are ready.

Is it too cold to plant basil?

It is too cold to plant Basil outdoors when nighttime temperatures are falling below 50°F. Basil is frost-sensitive, so a single freeze will kill it — wait until your area's last frost date has passed and nights are reliably above 50°F. Use CanIPlant to check your local 7-day forecast and get a real-time answer for your ZIP code.

Is it too hot to plant basil?

Basil starts to struggle when temperatures climb above 90°F. As a warm-season crop, Basil enjoys heat but can experience blossom drop and reduced fruiting above 95°F. Consistent highs above that level may delay planting until temperatures moderate. CanIPlant checks your local forecast highs to flag this automatically.

Any tips for growing basil?

Very cold-sensitive. Blackens below 50°F.