When to Plant Marigold in Hartford, Connecticut (06101)

Location

Hartford, Connecticut

ZIP Code

06101

USDA Zone

Last Frost

Wednesday, April 15, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, March 4, 2026

Transplant Outdoors Wednesday, April 29, 2026

Pro Tip: Start Marigold seeds indoors 6 weeks before your last frost date, then transplant outdoors around Wednesday, April 29, 2026.

🌿 Plant Details

Scientific Name Tagetes patula

Days to Maturity 50 days

Mature Height 6-24"

Spread 12"

Type Annual

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

12" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 5-10 days

Ready to Plant Marigold in Hartford?

Get your seeds now so they're ready by Wednesday, March 4, 2026.

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Growing Marigold in Zone 6b

Marigold (Tagetes patula) is a popular garden vegetable. In Hartford, Connecticut, which is in USDA Hardiness Zone 6b, you should start seeds indoors around Wednesday, March 4, 2026.

Your average last frost date is Wednesday, April 15, 2026. Plan to transplant your Marigold seedlings outdoors around Wednesday, April 29, 2026, about 2 weeks after your last frost date.