Growing Calendula in Zone 8a
Zone 8a has warm winters and an extended growing season — excellent for heat-loving crops like Calendula. Last frost: Apr 5. First frost: Oct 28.
Planting Calendar
Season: Apr 5 – Oct 28 (206 days)
When to Plant Calendula in Zone 8a
Start Seeds Indoors: Feb 22
Start Calendula seeds indoors around Feb 22 (6 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 7–14 days.
Transplant Outdoors: Mar 22
Transplant Calendula seedlings outdoors after Mar 22. Wait until soil temperature reaches 45°F. Space plants at 12/sqft. Harden off plants for a week before moving outside.
Harvest: May 1
First harvest approximately May 1 (~40 days from transplant). Continue harvesting until first frost (Oct 28).
Calendula 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 Calendula in Zone 8a?
Start Calendula seeds indoors around Feb 22. Transplant outdoors after Mar 22. Expect first harvest around May 1.
What is the last frost date for Zone 8a?
The average last spring frost date for Zone 8a is Apr 5. The first fall frost averages Oct 28, giving a 206-day growing season.
Can I grow Calendula in Zone 8a?
Yes. Calendula needs 55 days to harvest. Zone 8a has a 206-day growing season, which is sufficient.
What is the best month to plant Calendula in Zone 8a?
The best time to start Calendula in Zone 8a is Feb. Begin seeds indoors around Feb 22, then transplant outdoors after the last frost date of Apr 5.
How long does Calendula take to harvest?
Calendula takes approximately 55 days from planting to harvest. In Zone 8a, expect your first harvest around May 1.
Plan Your Calendula Garden
Track Calendula from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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