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

LaGrange County County sits in USDA Zone 6a. Plant Bachelor's Button between March 31 (after last frost on April 28) and April 21. A second sowing from September 4 to September 18 extends the harvest into fall.

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

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.

LaGrange County, Indiana is in USDA Zone 6a. The average last spring frost is April 28 and the first fall frost is October 16, giving you a growing season of approximately 171 days.

At an elevation of 651 feet, LaGrange County receives approximately 41.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Bachelor's Button during the growing season.

Annual Blooms in Spring Pollinator-friendly Deer-resistant Good for cutting
LaGrange County, IN (Zone 6a) Moderate season
171 days
Last Spring Frost April 28
171 growing days
First Fall Frost October 16

LaGrange County Soil Profile

Soil Type

Silt Loam

Soil pH

5.9-7.1

Drainage

Well Drained

Monthly Watering Guide for Bachelor's Button

Bachelor's Button needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Bachelor's Button Needs Rainfall You Supplement Action
Jan 1.6" 0" ❄️ Dormant
Feb 1.7" 0" ❄️ Dormant
Mar 2.8" 0" ❄️ Dormant
Apr 4.3" 4.4" 0" ✅ Rainfall sufficient
May 4.3" 5.2" 0" ✅ Rainfall sufficient
Jun 4.3" 4.9" 0" ✅ Rainfall sufficient
Jul 4.3" 5.1" 0" ✅ Rainfall sufficient
Aug 4.3" 4.3" 0" ✅ Rainfall sufficient
Sep 4.3" 3.3" 1" 💧 Light watering
Oct 4.3" 3" 1.3" 💧 Light watering
Nov 2.8" 0" ❄️ Dormant
Dec 2.2" 0" ❄️ Dormant

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

Bachelor's Button Planting Timeline — LaGrange County, IN

Bachelor's Button Planting Calendar

Activity When Date Range
Start Indoors March 17 Mar 17 – Mar 31
Transplant Outdoors April 28 Apr 28 – May 12
Direct Sow March 31 Mar 31 – Apr 21
Bloom June 30 Jun 30 – Sep 15
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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

171 days in LaGrange County

Growing Tips for LaGrange County

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 LaGrange County, IN?

LaGrange County is in Zone 6a with an average last frost of April 28. Plan your Bachelor's Button planting based on this frost date — see the calendar above for exact timing.

What planting zone is LaGrange County, IN?

LaGrange County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 28 and first fall frost is October 16.

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

In LaGrange County County, , plant Bachelor's Button after the last frost (around April 28) and before the first frost (around October 16). Best results when soil holds above 50°F.

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

LaGrange 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 LaGrange County County's climate?

Yes — Bachelor's Button grows well in LaGrange County County's temperate climate. LaGrange County County averages a 171-day frost-free season, with last frost around April 28 and first frost around October 16.

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Your LaGrange County Garden Planner — Free

A 22-page printable planner built for LaGrange 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 LaGrange 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.