Marigold illustration 🏵️

🏵️ Growing Marigold in Zone 13a

Zone 13a has a year-round growing season. Marigold can be planted almost any time with proper planning. Last frost: Jan 1. First frost: Dec 31.

Planting Calendar

Indoor
Outdoor
Harvest
Nov 20Dec 31

Season: Jan 1 – Dec 31 (364 days)

Zone13a
Last FrostJan 1
First FrostDec 31
Season Length364 days
Days to Harvest50
SunFull Sun
Frost ToleranceNone
Spacing4/sqft (6" apart)

When to Plant Marigold in Zone 13a

Start Seeds Indoors: Nov 20

Start Marigold seeds indoors around Nov 20 (6 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 5–10 days.

Transplant Outdoors: Jan 8

Transplant Marigold seedlings outdoors after Jan 8. 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 12

First harvest approximately Feb 12 (~35 days from transplant). Continue harvesting until first frost (Dec 31).

Companion Planting

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

Frequently Asked Questions

When should I plant Marigold in Zone 13a?

Start Marigold seeds indoors around Nov 20. Transplant outdoors after Jan 8. Expect first harvest around Feb 12.

What is the last frost date for Zone 13a?

The average last spring frost date for Zone 13a is Jan 1. The first fall frost averages Dec 31, giving a 364-day growing season.

Can I grow Marigold in Zone 13a?

Yes. Marigold needs 50 days to harvest. Zone 13a has a 364-day growing season, which is sufficient.

What is the best month to plant Marigold in Zone 13a?

The best time to start Marigold in Zone 13a is Nov. Begin seeds indoors around Nov 20, then transplant outdoors after the last frost date of Jan 1.

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 13a, expect your first harvest around Feb 12.

Plan Your Marigold Garden

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

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