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When to Plant Bachelor's Button in Florida

Bachelor's Button (Centaurea cyanus), also called cornflower, is a carefree cool-season annual best known for its vivid cobalt-blue flowers — one of the truest blues in the annual garden. It tolerates light frosts, self-seeds prolifically, and thrives in poor to average soils. A traditional cut flower and pollinator magnet, it has been cultivated in gardens for centuries.

Florida spans USDA hardiness zones 10a, 10b, 11a, 11b, 8b, 9a, 9b (with planting data available), so planting dates vary by your location within the state. Click your zone below for the most accurate dates.

Find Your County

Click your county for exact Bachelor's Button planting dates based on your local frost dates.

Bachelor's Button Planting Calendar for Florida

Zone 10a ~364 day growing season · Full guide →

Last frost: January 1 · First frost: December 31 · 364 day season

Activity When Date Range
Transplant Outdoors November 20 Nov 20 – Dec 4
Direct Sow October 23 Oct 23 – Nov 13
Bloom January 15 Jan 15 – Apr 23
Fall Sowing October 8 Oct 8 – Oct 22
Zone 10b ~364 day growing season · Full guide →

Last frost: January 1 · First frost: December 31 · 364 day season

Activity When Date Range
Transplant Outdoors November 13 Nov 13 – Nov 27
Direct Sow October 16 Oct 16 – Nov 6
Bloom January 8 Jan 8 – Apr 16
Fall Sowing October 8 Oct 8 – Oct 22
Zone 11a ~364 day growing season · Full guide →

Last frost: January 1 · First frost: December 31 · 364 day season

Activity When Date Range
Transplant Outdoors November 6 Nov 6 – Nov 20
Direct Sow October 9 Oct 9 – Oct 30
Bloom December 25 Dec 25 – Mar 26
Fall Sowing September 24 Sep 24 – Oct 8
Zone 11b ~364 day growing season · Full guide →

Last frost: January 1 · First frost: December 31 · 364 day season

Activity When Date Range
Transplant Outdoors October 30 Oct 30 – Nov 13
Direct Sow October 2 Oct 2 – Oct 23
Bloom December 18 Dec 18 – Mar 19
Fall Sowing September 24 Sep 24 – Oct 8
Zone 8b ~276 day growing season · Full guide →

Last frost: February 25 · First frost: November 28 · 276 day season

Activity When Date Range
Transplant Outdoors February 4 Feb 4 – Feb 18
Direct Sow January 7 Jan 7 – Jan 28
Bloom April 8 Apr 8 – Aug 5
Fall Sowing October 3 Oct 3 – Oct 17
Zone 9a ~303 day growing season · Full guide →

Last frost: February 10 · First frost: December 10 · 303 day season

Activity When Date Range
Transplant Outdoors January 13 Jan 13 – Jan 27
Direct Sow December 16 Dec 16 – Jan 6
Bloom March 10 Mar 10 – Jun 30
Fall Sowing October 1 Oct 1 – Oct 15
Zone 9b ~329 day growing season · Full guide →

Last frost: January 25 · First frost: December 20 · 329 day season

Activity When Date Range
Transplant Outdoors December 21 Dec 21 – Jan 4
Direct Sow November 23 Nov 23 – Dec 14
Bloom February 15 Feb 15 – Jun 7
Fall Sowing October 11 Oct 11 – Oct 25

Growing Tips for Florida

Direct-sow in early spring as soon as soil can be worked; seeds need a brief cold period for best germination (refrigerate for a few days before planting if spring arrives quickly). In zones 6+, fall-sow for the earliest spring bloom. Thin to 12 inches; do not over-fertilize — too much nitrogen produces foliage at the expense of flowers. Deadhead to prolong blooming or allow self-seeding for a naturalized colony.

Frequently Asked Questions

When should I plant Bachelor's Button in Florida?

Planting dates for Bachelor's Button in Florida depend on your USDA zone. Florida spans zones 10a, 10b, 11a, 11b, 8b, 9a, 9b. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is Florida for planting?

Florida contains USDA hardiness zones 10a, 10b, 11a, 11b, 8b, 9a, 9b. Your specific zone depends on your location within the state — northern and higher-elevation areas are in colder zones, while southern and coastal areas are warmer.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Last updated: June 2026.