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When to plant Bachelor's Button in Cherokee County, KS

Cherokee County's spring Bachelor's Button window runs March 5 through March 26. most warm-season crops establish quickly once soil holds above 60°F. A second sowing from August 31 to September 14 extends the harvest into fall.

When to Plant Bachelor's Button in Cherokee County, KS

Cherokee County, Kansas Zone 7a July

July in the garden — Cherokee County, Kansas

If you only do a handful of things in the garden this July, make it these. They're sequenced around your zone's frost timing.

Avg. last frost April 9
Avg. first frost October 26
Soil temp (4") 82°F
Watering Moderate
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.

Cherokee County, Kansas is in USDA Zone 7a. The average last spring frost is April 9 and the first fall frost is October 26, giving you a growing season of approximately 200 days.

At an elevation of 812 feet, Cherokee County receives approximately 25.3 inches of rainfall annually with predominantly loam soil. Summer highs average 86°F, providing good warmth for Bachelor's Button during the growing season.

Annual Blooms in Spring Pollinator-friendly Deer-resistant Good for cutting
Cherokee County, KS (Zone 7a) Long season
200 days
Last Spring Frost April 9
200 growing days
First Fall Frost October 26

Cherokee County Soil Profile

Soil Type

Loam

Soil pH

6.7-7.9

Drainage

Well Drained

Bachelor's Button Planting Risk Windows

Early Start (70% safe) ✓ Fits season (46 days to spare)
Start indoors: Feb 20 Transplant: Apr 3 🌸 Bloom: Jun 5 – Sep 4
Recommended (50%) ✓ Fits season (46 days to spare)
Start indoors: Feb 26 Transplant: Apr 9 🌸 Bloom: Jun 11 – Sep 10
Safe Start (90%) ✓ Fits season (48 days to spare)
Start indoors: Mar 10 Transplant: Apr 21 🌸 Bloom: Jun 23 – Sep 22

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 Cherokee County

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

Soil pH

Your soil pH (6.7–7.9) overlaps with Bachelor's Button's range (6.0–7.5), though not a perfect match.

Soil Texture

The loam soil in Cherokee 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 (4.1%) — Bachelor's Button will thrive.

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

3
successive plantings in your 200-day season

Sow every 6.9 weeks. Last sowing by Jul 28 to harvest before frost.

For a dedicated fall crop, sow by Aug 31.

Bachelor's Button Water Budget

Plant needs
0.5″/week
Rainfall provides
0.5″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 254 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 0.7" 0" ❄️ Dormant
Feb 0.9" 0" ❄️ Dormant
Mar 1.5" 0" ❄️ Dormant
Apr 2.2" 2.5" 0" ✅ Rainfall sufficient
May 2.2" 3.6" 0" ✅ Rainfall sufficient
Jun 2.2" 3.6" 0" ✅ Rainfall sufficient
Jul 2.2" 3.4" 0" ✅ Rainfall sufficient
Aug 2.2" 3.4" 0" ✅ Rainfall sufficient
Sep 2.2" 2.5" 0" ✅ Rainfall sufficient
Oct 2.2" 1.7" 0.5" 💧 Light watering
Nov 0.8" 0" ❄️ Dormant
Dec 0.7" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Cherokee 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 ~1,088 GDD — county provides 2,900 GDD Excellent fit

Bachelor's Button Planting Timeline — Cherokee County, KS

Bachelor's Button Planting Calendar

Activity When Date Range
Start Indoors February 26 Feb 26 – Mar 12
Transplant Outdoors April 9 Apr 9 – Apr 23
Direct Sow March 5 Mar 5 – Mar 26
Bloom June 11 Jun 11 – Sep 10
Fall Sowing August 31 Aug 31 – Sep 14

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Only during dry spells

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 7a

📆 Growing Season

200 days in Cherokee County

Growing Tips for Bachelor's Button in Cherokee County

Direct sow Bachelor's Button outdoors after April 09 in Cherokee 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 Cherokee County, KS?

Cherokee County is in Zone 7a with an average last frost of April 9. Plan your Bachelor's Button planting based on this frost date — see the calendar above for exact timing.

What planting zone is Cherokee County, KS?

Cherokee County, Kansas is in USDA Hardiness Zone 7a. The average last spring frost is April 9 and first fall frost is October 26.

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

In Cherokee County, KS, plant Bachelor's Button after the last frost (around April 9) and before the first frost (around October 26). Best results when soil holds above 50°F.

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

Cherokee County sits in USDA Zone 7a. Bachelor's Button grows reliably in zones 2a through 11b, so it's a good fit here.

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

Yes — Bachelor's Button grows well in Cherokee County's temperate climate. Cherokee County averages a 200-day frost-free season, with last frost around April 9 and first frost around October 26.

🌱

Your Cherokee County Garden Planner — Free

A 22-page printable planner built for Cherokee County (Zone 7a). 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 Cherokee County, KS. Local conditions may vary. Last updated: July 2026.

Sources & credits

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