When to Plant Arugula in Saint Thomas, North Dakota (58276)

Location

Saint Thomas, North Dakota

ZIP Code

58276

USDA Zone

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Friday, April 17, 2026

Pro Tip: Sow Arugula directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Eruca vesicaria subsp. sativa

Days to Maturity 40 days

Mature Height 6-12"

Spread 6"

Type Leaf

Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Partial Shade to Full Sun

💧

Water

Regular (keep moist)

↔️

Spacing

6" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 3-7 days

Ready to Plant Arugula in Saint Thomas?

Get your seeds now so they're ready by Friday, April 17, 2026.

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🤝 Good Companions

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Growing Arugula in Zone 4a

Arugula (Eruca vesicaria subsp. sativa) is a popular garden vegetable. In Saint Thomas, North Dakota, which is in USDA Hardiness Zone 4a, you should direct sow seeds around Friday, April 17, 2026.

Your average last frost date is Friday, May 15, 2026. Arugula grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.