Blog

When to plant Columbine in Cleburne County County,

Cleburne County County gardeners should plant Columbine between April 1 and April 22 in spring. With Cleburne County County's Zone 8a climate (last frost April 1), Columbine needs 100 days to mature — plant by July 24 for a full harvest.

When to Plant Columbine in Cleburne County, AL

Cleburne County, Alabama Zone 8a June

June to-do list for Cleburne County, Alabama

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

Avg. last frost April 1
Avg. first frost November 1
Soil temp (4") 80°F
Watering Low
Pest pressure High
Daylight 14.2 hrs
  1. Harvest columbine as they ripen

    Morning harvests are best — cooler temperatures mean crisper produce and longer fridge life.

Instant PDF download. No spam, unsubscribe any time.

Wild Columbine (Aquilegia canadensis) is a graceful native perennial of eastern North America, producing distinctive nodding flowers with spurred red-and-yellow petals that are irresistible to hummingbirds and native bees in spring. Its blue-green, fernlike foliage remains attractive long after flowering. Garden hybrid columbines (A. x hybrida) extend the color palette to the full spectrum and are equally adaptable. Short-lived by perennial standards (3–4 years per plant), but prolific self-seeders that perpetuate themselves and even hybridize freely in the garden, creating ever-evolving color combinations. An ideal woodland edge and cottage garden plant.

Cleburne County, Alabama is in USDA Zone 8a. The average last spring frost is April 1 and the first fall frost is November 1, giving you a growing season of approximately 214 days.

At an elevation of 207 feet, Cleburne County receives approximately 57.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91°F, providing good warmth for Columbine during the growing season. Clay soil retains moisture well for Columbine, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Columbine root diseases.

Perennial Blooms in Spring Pollinator-friendly Deer-resistant Good for cutting
Cleburne County, AL (Zone 8a) Long season
214 days
Last Spring Frost April 1
214 growing days
First Fall Frost November 1

Cleburne County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.6

Drainage

Well Drained

Columbine Planting Risk Windows

Early Start (70% safe) ✓ Fits season (139 days to spare)
Start indoors: Jan 27 Transplant: Mar 24 🌸 Bloom: May 12 – Jun 9
Recommended (50%) ✓ Fits season (137 days to spare)
Start indoors: Feb 4 Transplant: Apr 1 🌸 Bloom: May 20 – Jun 17
Safe Start (90%) ✓ Fits season (140 days to spare)
Start indoors: Feb 21 Transplant: Apr 18 🌸 Bloom: Jun 6 – Jul 4

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 Cleburne County

How your county's soil matches Columbine's growing requirements.

Soil pH

Your soil pH (5.5–6.6) overlaps with Columbine's range (6.0–7.0), though not a perfect match.

Soil Texture

The clay loam soil in Cleburne County is excellent for Columbine — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.6%). Annual compost additions will help Columbine.

How to Plant Columbine

0.1"
Planting Depth
12"
Between Plants
18"
Between Rows

Succession Planting Columbine

3
successive plantings in your 214-day season

Sow every 8 weeks. Last sowing by Jul 24 to harvest before frost.

Columbine Water Budget

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

Monthly Watering Guide for Columbine

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

Month Columbine Needs Rainfall You Supplement Action
Jan 4.9" 0" ❄️ Dormant
Feb 3.9" 0" ❄️ Dormant
Mar 6.1" 0" ❄️ Dormant
Apr 4.3" 4.3" 0" ✅ Rainfall sufficient
May 4.3" 4.8" 0" ✅ Rainfall sufficient
Jun 4.3" 5.9" 0" ✅ Rainfall sufficient
Jul 4.3" 5.6" 0" ✅ Rainfall sufficient
Aug 4.3" 5.5" 0" ✅ Rainfall sufficient
Sep 4.3" 3.9" 0.4" 💧 Light watering
Oct 4.3" 3.8" 0.5" 💧 Light watering
Nov 4.3" 4.4" 0" ✅ Rainfall sufficient
Dec 4.7" 0" ❄️ Dormant

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

Columbine 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.

Columbine needs ~1,551 GDD — county provides 3,905 GDD Excellent fit

Columbine Planting Timeline — Cleburne County, AL

Columbine Planting Calendar

Activity When Date Range
Start Indoors February 4 Feb 4 – Feb 18
Transplant Outdoors April 1 Apr 1 – Apr 15
Direct Sow April 1 Apr 1 – Apr 22
Bloom May 20 May 20 – Jun 17

Plant 0.1" deep · 12" apart · Rows 18" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · Natural rainfall sufficient

📅 Days to Maturity

70–100 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 8a

📆 Growing Season

214 days in Cleburne County

Growing Tips for Columbine in Cleburne County

Direct sow Columbine outdoors after April 01 in Cleburne County when soil has warmed and frost danger has passed.

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

General growing tips

Start seeds indoors 8–10 weeks before last frost with 4–6 weeks of cold moist stratification first (mix seeds with moist perlite in a bag and refrigerate), or direct-sow outdoors in fall for natural stratification. Transplant to the garden 2–4 weeks after last frost in spring. Prefers cool, moist, well-drained soil with morning sun and afternoon shade, especially in Zones 6+. After bloom, allow seed pods to mature and scatter if you want natural self-seeding; deadhead if you want to prevent spreading. Individual plants are typically short-lived (3–5 years) but colonies persist through prolific self-seeding. Leafminers may create white tunnels in foliage — unsightly but rarely serious. Year 2+ plants flower most profusely.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Columbine in Cleburne County, AL?

Cleburne County is in Zone 8a with an average last frost of April 1. Plan your Columbine planting based on this frost date — see the calendar above for exact timing.

What planting zone is Cleburne County, AL?

Cleburne County, Alabama is in USDA Hardiness Zone 8a. The average last spring frost is April 1 and first fall frost is November 1.

When should I plant Columbine in Cleburne County County, ?

In Cleburne County County, , plant Columbine after the last frost (around April 1) and before the first frost (around November 1). Best results when soil holds above 50°F.

What growing zone is Cleburne County County, for Columbine?

Cleburne County County sits in USDA Zone 8a. Columbine grows reliably in zones 3a through 9a, so it's a good fit here.

Can Columbine grow in Cleburne County County's climate?

Yes — Columbine grows well in Cleburne County County's temperate climate. Cleburne County County averages a 214-day frost-free season, with last frost around April 1 and first frost around November 1.

🌱

Your Cleburne County Garden Planner — Free

A 22-page printable planner built for Cleburne 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.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Cleburne 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.