When to Plant Spinach in Saint Robert, Missouri (65584)

Location

Saint Robert, Missouri

ZIP Code

65584

USDA Zone

Last Frost

Wednesday, April 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Wednesday, March 4, 2026

Pro Tip: Sow Spinach directly outdoors 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Spinacia oleracea

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

0.5" deep

Seeds typically germinate in 7-14 days

Ready to Plant Spinach in Saint Robert?

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

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🤝 Good Companions

StrawberryPeaBeanBrassicas

Other Plants for Saint Robert

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Growing Spinach in Zone 6b

Spinach (Spinacia oleracea) is a popular garden vegetable. In Saint Robert, Missouri, which is in USDA Hardiness Zone 6b, you should direct sow seeds around Wednesday, March 4, 2026.

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