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When to plant Bachelor's Button in Pike County, AR

Pike County's climate puts the Bachelor's Button spring window between February 9 and March 2. most warm-season crops establish quickly once soil holds above 60°F. A second sowing from September 15 to September 29 extends the harvest into fall.

When to Plant Bachelor's Button in Pike County, AR

Pike County, Arkansas Zone 8a July

July to-do list for Pike County, Arkansas

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 March 23
Avg. first frost November 10
Soil temp (4") 88°F
Watering Low
Pest pressure High
Daylight 14.1 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.

Pike County, Arkansas is in USDA Zone 8a. The average last spring frost is March 23 and the first fall frost is November 10, giving you a growing season of approximately 232 days.

At an elevation of 891 feet, Pike County receives approximately 47.9 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
Pike County, AR (Zone 8a) Long season
232 days
Last Spring Frost March 23
232 growing days
First Fall Frost November 10

Pike County Soil Profile

Soil Type

Silt Loam

Soil pH

5.6-7

Drainage

Well Drained

Bachelor's Button Planting Risk Windows

Early Start (70% safe) ✓ Fits season (76 days to spare)
Transplant: Mar 1 🌸 Bloom: May 3 – Aug 16
Recommended (50%) ✓ Fits season (78 days to spare)
Transplant: Mar 9 🌸 Bloom: May 11 – Aug 24
Safe Start (90%) ✓ Fits season (74 days to spare)
Transplant: Mar 31 🌸 Bloom: Jun 2 – Sep 15

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 Pike County

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

Soil pH

Your soil pH (5.6–7.0) overlaps with Bachelor's Button's range (6.0–7.5), though not a perfect match.

Soil Texture

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

Organic Matter

Organic matter is moderate (2.9%). 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 232-day season

Sow every 6.9 weeks. Last sowing by Aug 12 to harvest before frost.

For a dedicated fall crop, sow by Sep 15.

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 4.2" 0" ❄️ Dormant
Feb 3.5" 0" ❄️ Dormant
Mar 2.2" 4.5" 0" ✅ Rainfall sufficient
Apr 2.2" 3.7" 0" ✅ Rainfall sufficient
May 2.2" 3.6" 0" ✅ Rainfall sufficient
Jun 2.2" 4.4" 0" ✅ Rainfall sufficient
Jul 2.2" 5.5" 0" ✅ Rainfall sufficient
Aug 2.2" 5" 0" ✅ Rainfall sufficient
Sep 2.2" 3.6" 0" ✅ Rainfall sufficient
Oct 2.2" 2.8" 0" ✅ Rainfall sufficient
Nov 2.2" 3.4" 0" ✅ Rainfall sufficient
Dec 3.8" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Pike 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 4,060 GDD Excellent fit

Bachelor's Button Planting Timeline — Pike County, AR

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 15 Sep 15 – Sep 29

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
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

232 days in Pike County

Growing Tips for Bachelor's Button in Pike County

Direct sow Bachelor's Button outdoors after March 23 in Pike 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 Pike County, AR?

Pike 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 Pike County, AR?

Pike County, Arkansas is in USDA Hardiness Zone 8a. The average last spring frost is March 23 and first fall frost is November 10.

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

In Pike County, AR, plant Bachelor's Button after the last frost (around March 23) and before the first frost (around November 10). Best results when soil holds above 50°F.

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

Pike 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 Pike County's climate?

Yes — Bachelor's Button grows well in Pike County's temperate climate. Pike County averages a 232-day frost-free season, with last frost around March 23 and first frost around November 10.

🌱

Your Pike County Garden Planner — Free

A 22-page printable planner built for Pike 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 Pike County, AR. 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.