When to Plant Marigold in Saint Lawrence, South Dakota (57373)

Location

Saint Lawrence, South Dakota

ZIP Code

57373

USDA Zone

Last Frost

Tuesday, May 5, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, March 24, 2026

Transplant Outdoors Tuesday, May 19, 2026

Pro Tip: Start Marigold seeds indoors 6 weeks before your last frost date, then transplant outdoors around Tuesday, May 19, 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 Saint Lawrence?

Get your seeds now so they're ready by Tuesday, March 24, 2026.

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Other Plants for Saint Lawrence

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Growing Marigold in Zone 4b

Marigold (Tagetes patula) is a popular garden vegetable. In Saint Lawrence, South Dakota, which is in USDA Hardiness Zone 4b, you should start seeds indoors around Tuesday, March 24, 2026.

Your average last frost date is Tuesday, May 5, 2026. Plan to transplant your Marigold seedlings outdoors around Tuesday, May 19, 2026, about 2 weeks after your last frost date.