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When to plant Columbine in Bullock County County,

In Bullock County County, plant Columbine in spring between March 8 and March 29, once soil temps hold above 50°F. Bullock County County's last frost averages March 8, so most warm-season crops establish quickly once soil holds above 60°F. For a fall crop, sow between and — roughly 100 days before the first frost on November 15.

When to Plant Columbine in Bullock County, AL

Bullock County, Alabama Zone 8b June

Your June planting checklist for Bullock County, Alabama

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

Avg. last frost March 8
Avg. first frost November 15
Soil temp (4") 83°F
Watering Low
Pest pressure High
Daylight 14.1 hrs

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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.

Bullock County, Alabama is in USDA Zone 8b. The average last spring frost is March 8 and the first fall frost is November 15, giving you a growing season of approximately 252 days.

At an elevation of 179 feet, Bullock County receives approximately 48.4 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.

Perennial Blooms in Spring Pollinator-friendly Deer-resistant Good for cutting
Bullock County, AL (Zone 8b) Long season
252 days
Last Spring Frost March 8
252 growing days
First Fall Frost November 15

Bullock County Soil Profile

Soil Type

Clay Loam

Soil pH

5.8-6.4

Drainage

Well Drained

Columbine Planting Risk Windows

Early Start (70% safe) ✓ Fits season (173 days to spare)
Start indoors: Jan 6 Transplant: Mar 3 🌸 Bloom: Apr 21 – May 19
Recommended (50%) ✓ Fits season (175 days to spare)
Start indoors: Jan 11 Transplant: Mar 8 🌸 Bloom: Apr 26 – May 24
Safe Start (90%) ✓ Fits season (172 days to spare)
Start indoors: Jan 30 Transplant: Mar 27 🌸 Bloom: May 15 – Jun 12

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 Bullock County

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

Soil pH

Your soil pH (5.8–6.4) overlaps with Columbine's range (6.0–7.0), though not a perfect match.

Soil Texture

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

Organic Matter

Organic matter is moderate (2.8%). Annual compost additions will help Columbine.

How to Plant Columbine

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

Succession Planting Columbine

4
successive plantings in your 252-day season

Sow every 8 weeks. Last sowing by Aug 07 to harvest before frost.

Columbine Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
You supply
0.2″/week
Watering frequency Only during dry spells
Season total 434 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 4.6" 0" ❄️ Dormant
Feb 3.8" 0" ❄️ Dormant
Mar 4.3" 4.1" 0.2" 💧 Light watering
Apr 4.3" 3.6" 0.7" 💧 Light watering
May 4.3" 3.9" 0.4" 💧 Light watering
Jun 4.3" 4.3" 0" ✅ Rainfall sufficient
Jul 4.3" 4.4" 0" ✅ Rainfall sufficient
Aug 4.3" 4.4" 0" ✅ Rainfall sufficient
Sep 4.3" 4.1" 0.2" 💧 Light watering
Oct 4.3" 3.1" 1.2" 💧 Light watering
Nov 4.3" 3.9" 0.4" 💧 Light watering
Dec 4.3" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Bullock 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 4,599 GDD Excellent fit

Columbine Planting Timeline — Bullock County, AL

Columbine Planting Calendar

Activity When Date Range
Start Indoors January 11 Jan 11 – Jan 25
Transplant Outdoors March 8 Mar 8 – Mar 22
Direct Sow March 8 Mar 8 – Mar 29
Bloom April 26 Apr 26 – May 24

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · Only during dry spells

📅 Days to Maturity

70–100 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 8b

📆 Growing Season

252 days in Bullock County

Growing Tips for Columbine in Bullock County

Direct sow Columbine outdoors after March 08 in Bullock County when soil has warmed and frost danger has passed.

With Bullock County's clay soil (30% 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 Bullock County, AL?

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

What planting zone is Bullock County, AL?

Bullock County, Alabama is in USDA Hardiness Zone 8b. The average last spring frost is March 8 and first fall frost is November 15.

When should I plant Columbine in Bullock County County, ?

In Bullock County County, , plant Columbine after the last frost (around March 8) and before the first frost (around November 15). Best results when soil holds above 50°F.

What growing zone is Bullock County County, for Columbine?

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

Can Columbine grow in Bullock County County's climate?

Yes — Columbine grows well in Bullock County County's temperate climate. Bullock County County averages a 252-day frost-free season, with last frost around March 8 and first frost around November 15.

🌱

Your Bullock County Garden Planner — Free

A 22-page printable planner built for Bullock County (Zone 8b). 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 Bullock County, AL. Local conditions may vary. Last updated: June 2026.

Sources & credits

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