When should I plant Curled Mallow in Zone 6b?

Direct sow Curled Mallow outdoors around Apr 15. Harvest around Jun 9.

What is the last frost date for Zone 6b?

The average last spring frost date for Zone 6b is Apr 15. The first fall frost averages Oct 22, giving a 190-day growing season.

Yes. Curled Mallow needs 55 days to harvest. Zone 6b has a 190-day growing season, which is sufficient. You can plant up to 6 successions.

Zone 6b has mild winters and a long growing season — good conditions for Curled Mallow. Last frost: Apr 15. First frost: Oct 22.

Outdoor

Harvest

Apr 15Oct 22

Season: Apr 15 – Oct 22 (190 days) · Succession: plant every 3 weeks (up to 6x)

Zone6b

Last FrostApr 15

First FrostOct 22

Season Length190 days

Days to Harvest55

SunFull Sun

Frost ToleranceLight

Spacing4/sqft (6" apart)

Direct sow Curled Mallow seeds outdoors around Apr 15. Soil temperature should be at least 50°F. Space at 4/sqft (6" apart).

First harvest approximately Jun 9 (~55 days from planting). Continue harvesting until first frost (Oct 22).

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

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