Growing Curled Mallow in Zone 4a
Zone 4a has cold winters and a moderate growing season. Timing is key for Curled Mallow in this zone. Last frost: May 5. First frost: Oct 1.
Planting Calendar
Season: May 5 – Oct 1 (149 days) · Succession: plant every 3 weeks (up to 4x)
When to Plant Curled Mallow in Zone 4a
Sow Seeds Outdoors: May 5
Direct sow Curled Mallow seeds outdoors around May 5. Soil temperature should be at least 50°F. Space at 4/sqft (6" apart).
Harvest: Jun 29
First harvest approximately Jun 29 (~55 days from planting). Continue harvesting until first frost (Oct 1).
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 4a?
Direct sow Curled Mallow outdoors around May 5. 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.
Can I grow Curled Mallow in Zone 4a?
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.
What is the best month to plant Curled Mallow in Zone 4a?
The best time to plant Curled Mallow in Zone 4a is around May 5, 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 4a, expect your first harvest around Jun 29.
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