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When to Plant Bachelor Button in Missouri

🌱

Direct Sow Outdoors

Friday, March 27, 2026

State

Missouri

USDA Zones

5b, 6a, 6b, 7a, 7b, 8a

Avg Last Frost

Friday, April 10, 2026

Cities Covered

932

Missouri Planting Schedule by Zone

Missouri spans 6 zones — find yours below for the most accurate dates.

Zone Last Frost Direct Sow
5b Saturday, April 25, 2026 Saturday, April 11, 2026
6a Monday, April 20, 2026 Monday, April 6, 2026
6b Wednesday, April 15, 2026 Wednesday, April 1, 2026
7a Friday, April 10, 2026 Friday, March 27, 2026
7b Sunday, April 5, 2026 Sunday, March 22, 2026
8a Friday, March 20, 2026 Friday, March 6, 2026

Dates based on average last frost. Check your local forecast before planting.

🌿 About Bachelor Button

Scientific Name Centaurea cyanus
Days to Maturity 60 days
Sun Full Sun (6-8 hours)
Water Low to Moderate
Spacing 9" apart

🤝 Companion Plants for Bachelor Button

Good Companions

TomatoBeanVegetable Garden
See the full companion planting guide for Bachelor Button →

Growing Bachelor Button in Missouri: Complete Guide

Bachelor Button (Centaurea cyanus) is a crop that grows best when sown directly in the garden. In Missouri, the right time to direct sow is around Friday, March 27, 2026, once soil temperatures are consistently warm enough for germination.

Because Missouri stretches across 6 USDA hardiness zones (5b, 6a, 6b, 7a, 7b, 8a), planting windows can shift by as much as six to eight weeks from one end of the state to the other. Gardeners in the warmer southern zones can start earlier, while those in cooler northern zones should wait until the zone table above shows their last frost has passed.

With 60 days to maturity, Bachelor Button fits comfortably within Missouri's growing season in most zones. In the warmest parts of the state, a second planting later in the season may be possible.

Bachelor Button requires full sun (6-8 hours) and low to moderate moisture. Most of Missouri receives adequate sunlight during the growing season, though gardeners in humid eastern regions should watch for fungal issues and ensure good air circulation.

For the most precise planting dates tailored to your exact location, enter your ZIP code on our planting calendar or use the zone table above to find the schedule for your area of Missouri.

Frequently Asked Questions

When should I plant Bachelor Button in Missouri?

In Missouri, direct sow Bachelor Button outdoors around Friday, March 27, 2026. Missouri spans zones 5b–8a, so gardeners in warmer zones can plant earlier.

What is the last frost date in Missouri?

Missouri spans 6 USDA zones (5b, 6a, 6b, 7a, 7b, 8a), so last frost dates vary by region. Plevna, Coatsville, Glenwood (5b) sees frost until around Saturday, April 25, 2026, while Arbyrd, Cardwell, Cooter (8a) is frost-free much earlier.

How long does Bachelor Button take to grow in Missouri?

Bachelor Button takes about 60 days from transplant (or direct sow) to harvest. In Missouri's longer-season zones, a second planting in late summer may be possible.

What USDA zones does Missouri cover for Bachelor Button?

Missouri includes zones 5b, 6a, 6b, 7a, 7b, 8a. Bachelor Button grows well across all of these zones with adjusted timing — use the zone table above to find the right dates for your part of the state.

Find Precise Dates for Your City

Select a city for exact planting dates based on local frost records.

Other Plants for Missouri

When to Plant Bachelor Button in Other States