Growing Curled Mallow in Zone 3b
Zone 3b has harsh winters and a short growing season. Start Curled Mallow early indoors to maximize your harvest window. Last frost: May 15. First frost: Sep 22.
Planting Calendar
Season: May 15 – Sep 22 (130 days) · Succession: plant every 3 weeks (up to 3x)
When to Plant Curled Mallow in Zone 3b
Sow Seeds Outdoors: May 15
Direct sow Curled Mallow seeds outdoors around May 15. Soil temperature should be at least 50°F. Space at 4/sqft (6" apart).
Harvest: Jul 9
First harvest approximately Jul 9 (~55 days from planting). Continue harvesting until first frost (Sep 22).
Companion Planting
Curled Mallow in Other Zones
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 13bFrequently Asked Questions
When should I plant Curled Mallow in Zone 3b?
Direct sow Curled Mallow outdoors around May 15. Harvest around Jul 9.
What is the last frost date for Zone 3b?
The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.
Can I grow Curled Mallow in Zone 3b?
Yes. Curled Mallow needs 55 days to harvest. Zone 3b has a 130-day growing season, which is sufficient. You can plant up to 3 successions.
What is the best month to plant Curled Mallow in Zone 3b?
The best time to plant Curled Mallow in Zone 3b is around May 15, 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 3b, expect your first harvest around Jul 9.
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