When to Plant Bachelor Button in Owatonna, Minnesota (55060)

Location

Owatonna, Minnesota

ZIP Code

55060

USDA Zone

Last Frost

Tuesday, May 5, 2026

📅 Planting Calendar

Direct Sow Outdoors Tuesday, April 21, 2026

Pro Tip: Sow Bachelor Button directly outdoors 2 weeks before your last frost date.

🌿 Plant Details

Scientific Name Centaurea cyanus

Days to Maturity 60 days

Mature Height 12-30"

Spread 9"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Low to Moderate

↔️

Spacing

9" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 7-14 days

Ready to Plant Bachelor Button in Owatonna?

Get your seeds now so they're ready by Tuesday, April 21, 2026.

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Other Plants for Owatonna

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Growing Bachelor Button in Zone 4b

Bachelor Button (Centaurea cyanus) is a popular garden vegetable. In Owatonna, Minnesota, which is in USDA Hardiness Zone 4b, you should direct sow seeds around Tuesday, April 21, 2026.

Your average last frost date is Tuesday, May 5, 2026. Bachelor Button grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.