When should I plant Marigold in Zone 8b?

Start Marigold seeds indoors around Feb 8. Transplant outdoors after Mar 29. Expect first harvest around May 3.

What is the last frost date for Zone 8b?

The average last spring frost date for Zone 8b is Mar 22. The first fall frost averages Nov 10, giving a 233-day growing season.

Can I grow Marigold in Zone 8b?

Yes. Marigold needs 50 days to harvest. Zone 8b has a 233-day growing season, which is sufficient.

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🏵️ Growing Marigold in Zone 8b

Zone 8b has warm winters and an extended growing season — excellent for heat-loving crops like Marigold. Last frost: Mar 22. First frost: Nov 10.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 8Nov 10

Season: Mar 22 – Nov 10 (233 days)

Zone8b

Last FrostMar 22

First FrostNov 10

Season Length233 days

Days to Harvest50

SunFull Sun

Frost ToleranceNone

Spacing4/sqft (6" apart)

When to Plant Marigold in Zone 8b

Start Seeds Indoors: Feb 8

Start Marigold seeds indoors around Feb 8 (6 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 5–10 days.

Transplant Outdoors: Mar 29

Transplant Marigold seedlings outdoors after Mar 29. 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 3

First harvest approximately May 3 (~35 days from transplant). Continue harvesting until first frost (Nov 10).

Companion Planting

✅ Tomatoes✅ Peppers✅ Eggplant ✅ Squash✅ Cucumbers

❌ Beans❌ Cabbage

Marigold 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 13b

Plan Your Marigold Garden

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

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