Marigold illustration 🏵️

🏵️ Growing Marigold in Zone 8a

Zone 8a has warm winters and an extended growing season — excellent for heat-loving crops like Marigold. Last frost: Apr 5. First frost: Oct 28.

Planting Calendar

Indoor
Outdoor
Harvest
Feb 22Oct 28

Season: Apr 5 – Oct 28 (206 days)

Zone8a
Last FrostApr 5
First FrostOct 28
Season Length206 days
Days to Harvest50
SunFull Sun
Frost ToleranceNone
Spacing4/sqft (6" apart)

When to Plant Marigold in Zone 8a

Start Seeds Indoors: Feb 22

Start Marigold seeds indoors around Feb 22 (6 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 5–10 days.

Transplant Outdoors: Apr 12

Transplant Marigold seedlings outdoors after Apr 12. Wait until soil temperature reaches 60°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: May 17

First harvest approximately May 17 (~35 days from transplant). Continue harvesting until first frost (Oct 28).

Companion Planting

✅ Tomatoes✅ Peppers✅ Eggplant✅ Squash✅ Cucumbers
❌ Beans❌ Cabbage

Plan Your Marigold Garden

Track Marigold from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Marigold Growing Guide