When should I plant Curled Mallow in Zone 4a?

Direct sow Curled Mallow outdoors around May 5. Expect first harvest around Jun 29.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is May 5. The first fall frost averages Oct 1, giving a 149-day growing season.

Yes. Curled Mallow needs 55 days to harvest. Zone 4a has a 149-day growing season, which is sufficient. You can plant up to 4 successions.

Zone 4a has cold winters and a moderate growing season. Timing is key for Curled Mallow in this zone. Sidste frost: May 5. Første frost: Oct 1.

Outdoor

Harvest

May 5Oct 1

Season: May 5 – Oct 1 (149 dage) · Succession: plant every 3 weeks (up to 4x)

Zone4a

Sidste frostMay 5

Første frostOct 1

Sæson149 dage

Høst55 dage

SolFuld Sol

Direct sow Curled Mallow seeds outdoors around May 5. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm afstand).

First harvest approximately Jun 29 (~55 dage from planting). Continue harvesting until first frost (Oct 1).

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.