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

Spring Bachelor's Button in Monroe County County goes in January 24–February 14, once nighttime temps stop dipping near freezing. A second sowing from September 19 to October 3 extends the harvest into fall.

When to Plant Bachelor's Button in Monroe County, AL

Monroe County, Alabama Zone 8b June

What to do in June

Your garden in Monroe County, Alabama is working on a schedule, even when you're not. Here's where you should be this June.

Avg. last frost March 14
Avg. first frost November 14
Soil temp (4") 81°F
Watering Low
Pest pressure High
Daylight 14 hrs
  1. Collect bachelor's button at their peak

    If you can't use it all right away, check the food-preservation section of your planner.

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  • First harvests: bachelor's button

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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.

Monroe County, Alabama is in USDA Zone 8b. The average last spring frost is March 14 and the first fall frost is November 14, giving you a growing season of approximately 245 days.

At an elevation of 177 feet, Monroe County receives approximately 51.5 inches of rainfall annually with predominantly clay loam soil. Summer highs average 96°F, so Bachelor's Button may need afternoon shade and extra watering during peak heat. 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
Monroe County, AL (Zone 8b) Long season
245 days
Last Spring Frost March 14
245 growing days
First Fall Frost November 14
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Monroe County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.3

Drainage

Well Drained

Bachelor's Button Planting Risk Windows

Early Start (70% safe) ✓ Fits season (83 days to spare)
Transplant: Feb 13 🌸 Bloom: Apr 17 – Aug 14
Recommended (50%) ✓ Fits season (84 days to spare)
Transplant: Feb 21 🌸 Bloom: Apr 25 – Aug 22
Safe Start (90%) ✓ Fits season (84 days to spare)
Transplant: Mar 10 🌸 Bloom: May 12 – Sep 8

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 Monroe County

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

Soil pH

Your soil pH (5.6–6.3) is more acidic than Bachelor's Button prefers (6.0–7.5). Add garden lime to raise pH.

Soil Texture

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

Organic Matter

Organic matter is moderate (2.8%). 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 245-day season

Sow every 6.9 weeks. Last sowing by Aug 16 to harvest before frost.

For a dedicated fall crop, sow by Sep 19.

Bachelor's Button Water Budget

Plant needs
0.5″/week
Rainfall provides
0.9″/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 4.7" 0" ❄️ Dormant
Feb 3.6" 0" ❄️ Dormant
Mar 2.2" 5.1" 0" ✅ Rainfall sufficient
Apr 2.2" 4.3" 0" ✅ Rainfall sufficient
May 2.2" 3.7" 0" ✅ Rainfall sufficient
Jun 2.2" 4" 0" ✅ Rainfall sufficient
Jul 2.2" 4.7" 0" ✅ Rainfall sufficient
Aug 2.2" 5.3" 0" ✅ Rainfall sufficient
Sep 2.2" 4.3" 0" ✅ Rainfall sufficient
Oct 2.2" 3.3" 0" ✅ Rainfall sufficient
Nov 2.2" 4" 0" ✅ Rainfall sufficient
Dec 4.7" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Monroe 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 ~1,650 GDD — county provides 5,390 GDD Excellent fit

Bachelor's Button Planting Timeline — Monroe County, AL

Bachelor's Button Planting Calendar

Activity When Date Range
Transplant Outdoors February 21 Feb 21 – Mar 7
Direct Sow January 24 Jan 24 – Feb 14
Bloom April 25 Apr 25 – Aug 22
Fall Sowing September 19 Sep 19 – Oct 3

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

Month-by-Month Timeline

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

🗺️ USDA Zone

Zone 8b

📆 Growing Season

245 days in Monroe County

Growing Tips for Bachelor's Button in Monroe County

Direct sow Bachelor's Button outdoors after March 14 in Monroe County when soil has warmed and frost danger has passed.

With Monroe County's clay soil (26% clay), work in 3-4 inches of compost before planting Bachelor's Button. Avoid tilling when soil is wet to prevent compaction.

With summer highs reaching 96°F in Monroe County, provide afternoon shade for Bachelor's Button and water deeply in the morning.

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 Monroe County, AL?

Monroe County is in Zone 8b with an average last frost of March 14. Plan your Bachelor's Button planting based on this frost date — see the calendar above for exact timing.

What planting zone is Monroe County, AL?

Monroe County, Alabama is in USDA Hardiness Zone 8b. The average last spring frost is March 14 and first fall frost is November 14.

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

In Monroe County, , plant Bachelor's Button after the last frost (around March 14) and before the first frost (around November 14). Best results when soil holds above 50°F.

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

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

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

Yes — Bachelor's Button grows well in Monroe County's temperate climate. Monroe County averages a 245-day frost-free season, with last frost around March 14 and first frost around November 14.

🌱

Your Monroe County Garden Planner — Free

A 22-page printable planner built for Monroe County (Zone 8b). 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 Monroe County, AL. 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.