Curled Mallow illustration

Growing Curled Mallow in Zone 5b

Zone 5b 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)

Zone5b
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 5b

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

Frequently Asked Questions

When should I plant Curled Mallow in Zone 5b?

Direct sow Curled Mallow outdoors around Apr 28. Harvest around Jun 22.

What is the last frost date for Zone 5b?

The average last spring frost date for Zone 5b is Apr 28. The first fall frost averages Oct 8, giving a 163-day growing season.

Can I grow Curled Mallow in Zone 5b?

Yes. Curled Mallow needs 55 days to harvest. Zone 5b has a 163-day growing season, which is sufficient. You can plant up to 5 successions.

What is the best month to plant Curled Mallow in Zone 5b?

The best time to plant Curled Mallow in Zone 5b is around Apr 28, when soil temperatures are suitable and frost risk has passed.

What companion plants grow well with Curled Mallow?

Good companion plants for Curled Mallow include Corn.

How long does Curled Mallow take to harvest?

Curled Mallow takes approximately 55 days from planting to harvest. In Zone 5b, expect your first harvest around Jun 22.

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