Curled Mallow illustration

Growing Curled Mallow in Zone 5a

Zone 5a has cold winters and a moderate growing season. Timing is key for Curled Mallow in this zone. Last frost: Apr 28. First frost: Oct 8.

Planting Calendar

Outdoor
Harvest
Apr 28Oct 8

Season: Apr 28 – Oct 8 (163 days) · Succession: plant every 3 weeks (up to 5x)

Zone5a
Last FrostApr 28
First FrostOct 8
Season Length163 days
Days to Harvest55
SunFull Sun
Frost ToleranceLight
Spacing4/sqft (6" apart)

When to Plant Curled Mallow in Zone 5a

Sow Seeds Outdoors: Apr 28

Direct sow Curled Mallow seeds outdoors around Apr 28. Soil temperature should be at least 50°F. Space at 4/sqft (6" apart).

Harvest: Jun 22

First harvest approximately Jun 22 (~55 days from planting). Continue harvesting until first frost (Oct 8).

Companion Planting

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