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

Plant Bachelor's Button in Wayne County County, when soil hits 50°F — usually March 28. Continue planting through April 18 for the spring crop. A second sowing from September 4 to September 18 extends the harvest into fall.

When to Plant Bachelor's Button in Wayne County, IN

Wayne County, Indiana Zone 6a June

Your June gardening checklist

June rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Wayne County, Indiana.

Avg. last frost April 25
Avg. first frost October 16
Soil temp (4") 74°F
Watering Low
Pest pressure High
Daylight 14.8 hrs
  1. Start bachelor's button indoors

    Label every cell. You will absolutely forget which is which otherwise.

  2. Basket week: bachelor's button

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

July prep starts now
  • 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.

Wayne County, Indiana is in USDA Zone 6a. The average last spring frost is April 25 and the first fall frost is October 16, giving you a growing season of approximately 174 days.

At an elevation of 1,322 feet, Wayne County receives approximately 38 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Bachelor's Button during the growing season.

Annual Blooms in Spring Pollinator-friendly Deer-resistant Good for cutting
Wayne County, IN (Zone 6a) Moderate season
174 days
Last Spring Frost April 25
174 growing days
First Fall Frost October 16
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Wayne County Soil Profile

Soil Type

Silt Loam

Soil pH

5.9-7.3

Drainage

Well Drained

Bachelor's Button Planting Risk Windows

Early Start (70% safe) ✓ Fits season (32 days to spare)
Start indoors: Mar 9 Transplant: Apr 20 🌸 Bloom: Jun 22 – Sep 7
Recommended (50%) ✓ Fits season (34 days to spare)
Start indoors: Mar 14 Transplant: Apr 25 🌸 Bloom: Jun 27 – Sep 12
Safe Start (90%) ✓ Fits season (30 days to spare)
Start indoors: Mar 29 Transplant: May 10 🌸 Bloom: Jul 12 – Sep 27

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 Wayne County

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

Soil pH

Your soil pH (5.9–7.3) overlaps with Bachelor's Button's range (6.0–7.5), though not a perfect match.

Soil Texture

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

Drainage

Drainage is adequate for Bachelor's Button.

Organic Matter

Organic matter is excellent (4.3%) — Bachelor's Button will thrive.

How to Plant Bachelor's Button

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

Fall planting: Sow 6 weeks before your first frost date for a fall harvest.

Succession Planting Bachelor's Button

3
successive plantings in your 174-day season

Sow every 6.9 weeks. Last sowing by Jul 18 to harvest before frost.

For a dedicated fall crop, sow by Sep 04.

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
Drought risk

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

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 1.4" 0" ❄️ Dormant
Feb 1.8" 0" ❄️ Dormant
Mar 2.8" 0" ❄️ Dormant
Apr 2.2" 3.2" 0" ✅ Rainfall sufficient
May 2.2" 4.2" 0" ✅ Rainfall sufficient
Jun 2.2" 4.9" 0" ✅ Rainfall sufficient
Jul 2.2" 3.9" 0" ✅ Rainfall sufficient
Aug 2.2" 4.3" 0" ✅ Rainfall sufficient
Sep 2.2" 3.6" 0" ✅ Rainfall sufficient
Oct 2.2" 2.8" 0" ✅ Rainfall sufficient
Nov 2.9" 0" ❄️ Dormant
Dec 2.2" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Wayne 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 ~1,312 GDD — county provides 3,045 GDD Excellent fit

Bachelor's Button Planting Timeline — Wayne County, IN

Bachelor's Button Planting Calendar

Activity When Date Range
Start Indoors March 14 Mar 14 – Mar 28
Transplant Outdoors April 25 Apr 25 – May 9
Direct Sow March 28 Mar 28 – Apr 18
Bloom June 27 Jun 27 – Sep 12
Fall Sowing September 4 Sep 4 – Sep 18

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow
May Transplant Outdoors
June Bloom
July Bloom
August Bloom
September Fall Sowing Bloom
October
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: acceptable

🗺️ USDA Zone

Zone 6a

📆 Growing Season

174 days in Wayne County

Growing Tips for Bachelor's Button in Wayne County

Direct sow Bachelor's Button outdoors after April 25 in Wayne County when soil has warmed and frost danger has passed.

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 Wayne County, IN?

Wayne County is in Zone 6a with an average last frost of April 25. Plan your Bachelor's Button planting based on this frost date — see the calendar above for exact timing.

What planting zone is Wayne County, IN?

Wayne County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 25 and first fall frost is October 16.

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

In Wayne County County, , plant Bachelor's Button after the last frost (around April 25) and before the first frost (around October 16). Best results when soil holds above 50°F.

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

Wayne County County sits in USDA Zone 6a. Bachelor's Button grows reliably in zones 2a through 11b, so it's a good fit here.

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

Yes — Bachelor's Button grows well in Wayne County County's temperate climate. Wayne County County averages a 174-day frost-free season, with last frost around April 25 and first frost around October 16.

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Your Wayne County Garden Planner — Free

A 22-page printable planner built for Wayne County (Zone 6a). 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 Wayne County, IN. 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.