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🏵️ Growing Marigold in Zone 11b

Zone 11b has a year-round growing season. Marigold can be planted almost any time with proper planning. Last frost: Jan 15. First frost: Dec 31.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 4Dec 31

Season: Jan 15 – Dec 31 (350 days)

Zone11b

Last FrostJan 15

First FrostDec 31

Season Length350 days

Days to Harvest50

SunFull Sun

Frost ToleranceNone

Spacing4/sqft (6" apart)

When to Plant Marigold in Zone 11b

Start Seeds Indoors: Dec 4

Start Marigold seeds indoors around Dec 4 (6 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 5–10 days.

Transplant Outdoors: Jan 22

Transplant Marigold seedlings outdoors after Jan 22. Wait until soil temperature reaches 60°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Feb 26

First harvest approximately Feb 26 (~35 days from transplant). Continue harvesting until first frost (Dec 31).

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

Frequently Asked Questions

When should I plant Marigold in Zone 11b?

Start Marigold seeds indoors around Dec 4. Transplant outdoors after Jan 22. Expect first harvest around Feb 26.

What is the last frost date for Zone 11b?

The average last spring frost date for Zone 11b is Jan 15. The first fall frost averages Dec 31, giving a 350-day growing season.

Can I grow Marigold in Zone 11b?

Yes. Marigold needs 50 days to harvest. Zone 11b has a 350-day growing season, which is sufficient.

What is the best month to plant Marigold in Zone 11b?

The best time to start Marigold in Zone 11b is Dec. Begin seeds indoors around Dec 4, then transplant outdoors after the last frost date of Jan 15.

What companion plants grow well with Marigold?

Good companion plants for Marigold include Tomatoes, Peppers, Eggplant, Squash, Cucumbers. Avoid planting Marigold near Beans, Cabbage.

How long does Marigold take to harvest?

Marigold takes approximately 50 days from planting to harvest. In Zone 11b, expect your first harvest around Feb 26.

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