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When to plant Bachelor's Button in Barrow County County,

The best window to plant Bachelor's Button in Barrow County County, is February 9–March 2, when soil warms to 50°F. Last frost typically hits March 23; first frost November 13. A second sowing from September 18 to October 2 extends the harvest into fall.

When to Plant Bachelor's Button in Barrow County, GA

Barrow County, Georgia Zone 8a June

Top priorities for Barrow County, Georgia gardeners in June

A quick June briefing for Barrow County, Georgia gardeners — what's urgent, what's next, and what can wait.

Avg. last frost March 23
Avg. first frost November 13
Soil temp (4") 78°F
Watering Low
Pest pressure High
Daylight 14.3 hrs
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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.

Barrow County, Georgia is in USDA Zone 8a. The average last spring frost is March 23 and the first fall frost is November 13, giving you a growing season of approximately 235 days.

At an elevation of 438 feet, Barrow County receives approximately 60.5 inches of rainfall annually with predominantly clay loam soil. Summer highs average 93°F, providing good warmth for Bachelor's Button during the growing season. Clay soil retains moisture well for Bachelor's Button, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Bachelor's Button root diseases.

Annual Blooms in Spring Pollinator-friendly Deer-resistant Good for cutting
Barrow County, GA (Zone 8a) Long season
235 days
Last Spring Frost March 23
235 growing days
First Fall Frost November 13

Barrow County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.7

Drainage

Well Drained

Bachelor's Button Planting Risk Windows

Early Start (70% safe) ✓ Fits season (81 days to spare)
Transplant: Feb 28 🌸 Bloom: May 2 – Aug 15
Recommended (50%) ✓ Fits season (81 days to spare)
Transplant: Mar 9 🌸 Bloom: May 11 – Aug 24
Safe Start (90%) ✓ Fits season (80 days to spare)
Transplant: Mar 27 🌸 Bloom: May 29 – Sep 11

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Barrow County

How your county's soil matches Bachelor's Button's growing requirements.

Soil pH

Your soil pH (5.3–6.7) overlaps with Bachelor's Button's range (6.0–7.5), though not a perfect match.

Soil Texture

The clay loam soil in Barrow County is excellent for Bachelor's Button — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.3%). Annual compost additions will help Bachelor's Button.

How to Plant Bachelor's Button

0.3"
Planting Depth
12"
Between Plants
12"
Between Rows

Fall planting: Sow 8 weeks before your first frost date for a fall harvest.

Succession Planting Bachelor's Button

4
successive plantings in your 235-day season

Sow every 6.9 weeks. Last sowing by Aug 15 to harvest before frost.

For a dedicated fall crop, sow by Sep 18.

Bachelor's Button Water Budget

Plant needs
0.5″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

Monthly Watering Guide for Bachelor's Button

Bachelor's Button needs approximately 0.5 inches of water per week (2.2" per month). Here's how your county's rainfall compares month by month.

Month Bachelor's Button Needs Rainfall You Supplement Action
Jan 4.5" 0" ❄️ Dormant
Feb 5.4" 0" ❄️ Dormant
Mar 2.2" 6.5" 0" ✅ Rainfall sufficient
Apr 2.2" 4.3" 0" ✅ Rainfall sufficient
May 2.2" 5.1" 0" ✅ Rainfall sufficient
Jun 2.2" 5.1" 0" ✅ Rainfall sufficient
Jul 2.2" 6.6" 0" ✅ Rainfall sufficient
Aug 2.2" 5.4" 0" ✅ Rainfall sufficient
Sep 2.2" 4.6" 0" ✅ Rainfall sufficient
Oct 2.2" 3.5" 0" ✅ Rainfall sufficient
Nov 2.2" 5.3" 0" ✅ Rainfall sufficient
Dec 4.2" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Barrow County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Bachelor's Button Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Bachelor's Button needs ~1,481 GDD — county provides 4,641 GDD Excellent fit

Bachelor's Button Planting Timeline — Barrow County, GA

Bachelor's Button Planting Calendar

Activity When Date Range
Transplant Outdoors March 9 Mar 9 – Mar 23
Direct Sow February 9 Feb 9 – Mar 2
Bloom May 11 May 11 – Aug 24
Fall Sowing September 18 Sep 18 – Oct 2

Plant 0.3" deep · 12" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February Direct Sow
March Transplant Outdoors Direct Sow
April
May Bloom
June Bloom
July Bloom
August Bloom
September Fall Sowing
October Fall Sowing
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 8a

📆 Growing Season

235 days in Barrow County

Growing Tips for Bachelor's Button in Barrow County

Direct sow Bachelor's Button outdoors after March 23 in Barrow County when soil has warmed and frost danger has passed.

With Barrow County's clay soil (33% clay), work in 3-4 inches of compost before planting Bachelor's Button. Avoid tilling when soil is wet to prevent compaction.

Common pests for Bachelor's Button in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.

General growing tips

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.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Bachelor's Button in Barrow County, GA?

Barrow County is in Zone 8a with an average last frost of March 23. Plan your Bachelor's Button planting based on this frost date — see the calendar above for exact timing.

What planting zone is Barrow County, GA?

Barrow County, Georgia is in USDA Hardiness Zone 8a. The average last spring frost is March 23 and first fall frost is November 13.

When should I plant Bachelor's Button in Barrow County County, ?

In Barrow County County, , plant Bachelor's Button after the last frost (around March 23) and before the first frost (around November 13). Best results when soil holds above 50°F.

What growing zone is Barrow County County, for Bachelor's Button?

Barrow County County sits in USDA Zone 8a. Bachelor's Button grows reliably in zones 2a through 11b, so it's a good fit here.

Can Bachelor's Button grow in Barrow County County's climate?

Yes — Bachelor's Button grows well in Barrow County County's temperate climate. Barrow County County averages a 235-day frost-free season, with last frost around March 23 and first frost around November 13.

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A 22-page printable planner built for Barrow County (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Barrow County, GA. Local conditions may vary. Last updated: June 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.