When should I plant Curled Mallow in Zone 9a?

Direct sow Curled Mallow outdoors around Mar 20. Harvest around May 14.

What is the last frost date for Zone 9a?

The average last spring frost date for Zone 9a is Mar 20. The first fall frost averages Nov 12, giving a 237-day growing season.

Can I grow Curled Mallow in Zone 9a?

Yes. Curled Mallow needs 55 days to harvest. Zone 9a has a 237-day growing season, which is sufficient. You can plant up to 8 successions.

Growing Curled Mallow in Zone 9a

Zone 9a has warm winters and an extended growing season — excellent for heat-loving crops like Curled Mallow. Last frost: Mar 20. First frost: Nov 12.

Planting Calendar

Outdoor

Harvest

Mar 20Nov 12

Season: Mar 20 – Nov 12 (237 days) · Succession: plant every 3 weeks (up to 8x)

Zone9a

Last FrostMar 20

First FrostNov 12

Season Length237 days

Days to Harvest55

SunFull Sun

Frost ToleranceLight

Spacing4/sqft (6" apart)

When to Plant Curled Mallow in Zone 9a

Sow Seeds Outdoors: Mar 20

Direct sow Curled Mallow seeds outdoors around Mar 20. Soil temperature should be at least 50°F. Space at 4/sqft (6" apart).

Harvest: May 14

First harvest approximately May 14 (~55 days from planting). Continue harvesting until first frost (Nov 12).

Companion Planting

✅ Corn

Curled Mallow in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Plan Your Curled Mallow Garden

Track Curled Mallow from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Curled Mallow Growing Guide