When to Plant Snapdragon in Gettysburg, South Dakota (57442)

Location

Gettysburg, South Dakota

ZIP Code

57442

USDA Zone

Last Frost

Tuesday, May 5, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, March 10, 2026

Transplant Outdoors Tuesday, May 19, 2026

Pro Tip: Start Snapdragon seeds indoors 8 weeks before your last frost date, then transplant outdoors around Tuesday, May 19, 2026.

🌿 Plant Details

Scientific Name Antirrhinum majus

Days to Maturity 60 days

Mature Height 12-36"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

12" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 10-21 days

Ready to Plant Snapdragon in Gettysburg?

Get your seeds now so they're ready by Tuesday, March 10, 2026.

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Growing Snapdragon in Zone 4b

Snapdragon (Antirrhinum majus) is a popular garden vegetable. In Gettysburg, South Dakota, which is in USDA Hardiness Zone 4b, you should start seeds indoors around Tuesday, March 10, 2026.

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