🌱 MyLocalPlanting

When to Plant Basil in Redfield, South Dakota (57469)

Location

Redfield, South Dakota

ZIP Code

57469

USDA Zone

4b

Last Frost

Tuesday, May 5, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, March 10, 2026
Transplant Outdoors Tuesday, May 19, 2026

Pro Tip: Start Basil seeds indoors 8 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Ocimum basilicum
Days to Maturity 60 days
Mature Height 12-24"
Spread 12"
Type Bush
Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (keep moist)

↔️

Spacing

12" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 5-10 days

🤝 Good Companions

TomatoPepperOreganoAsparagus

⚠️ Avoid Planting Near

RueSage

Other Plants for Redfield

Growing Basil in Zone 4b

Basil (Ocimum basilicum) is a popular garden vegetable. In Redfield, 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 Basil seedlings outdoors around Tuesday, May 19, 2026, about 2 weeks after your last frost date.