When should I plant Curled Mallow in Zone 4b?

Direct sow Curled Mallow outdoors around May 1. Expect first harvest around Jun 25.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is May 1. The first fall frost averages Oct 5, giving a 157-day growing season.

Yes. Curled Mallow needs 55 days to harvest. Zone 4b has a 157-day growing season, which is sufficient. You can plant up to 4 successions.

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

Outdoor

Harvest

May 1Oct 5

Season: May 1 – Oct 5 (157 dager) · Succession: plant every 3 weeks (up to 4x)

Sone4b

Siste frostMay 1

Første frostOct 5

Sesong157 dager

Høst55 dager

SolFull Sol

Direct sow Curled Mallow seeds outdoors around May 1. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm avstand).

First harvest approximately Jun 25 (~55 dager from planting). Continue harvesting until first frost (Oct 5).

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