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. Laatste vorst: May 5. Eerste vorst: Oct 1.

Outdoor

Harvest

May 5Oct 1

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

Zone4a

Laatste vorstMay 5

Eerste vorstOct 1

Seizoen149 dagen

Oogst55 dagen

ZonVolle Zon

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 dagen from planting). Continue harvesting until first frost (Oct 1).

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