When to Plant Broccoli Raab 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 Broccoli Raab directly outdoors 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica rapa subsp. rapa

Days to Maturity 60 days

Mature Height 12-24"

Spread 8"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

6" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-7 days

Ready to Plant Broccoli Raab in Saint Robert?

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

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🤝 Good Companions

OnionBeetCelery

⚠️ Avoid Planting Near

TomatoPepperStrawberry

Other Plants for Saint Robert

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Growing Broccoli Raab in Zone 6b

Broccoli Raab (Brassica rapa subsp. rapa) 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. Broccoli Raab grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.