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When to plant Columbine in Fulton County, GA

The best window to plant Columbine in Fulton County, is March 23–April 13, when soil warms to 50°F. Last frost typically hits March 23; first frost November 6.

When to Plant Columbine in Fulton County, GA

Fulton County, Georgia Zone 8a June

June to-do list for Fulton County, Georgia

Welcome to June in Zone 8a. These are the moves that will have the biggest impact on your growing season.

Avg. last frost March 23
Avg. first frost November 6
Soil temp (4") 78°F
Watering Low
Pest pressure High
Daylight 14.2 hrs
  1. Pick columbine

    If you can't use it all right away, check the food-preservation section of your planner.

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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.

Fulton County, Georgia is in USDA Zone 8a. The average last spring frost is March 23 and the first fall frost is November 6, giving you a growing season of approximately 228 days.

At an elevation of 457 feet, Fulton County receives approximately 53.9 inches of rainfall annually with predominantly clay loam soil. Summer highs average 90°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
Fulton County, GA (Zone 8a) Long season
228 days
Last Spring Frost March 23
228 growing days
First Fall Frost November 6

Fulton County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.5

Drainage

Well Drained

Columbine Planting Risk Windows

Early Start (70% safe) ✓ Fits season (152 days to spare)
Start indoors: Jan 20 Transplant: Mar 17 🌸 Bloom: May 5 – Jun 2
Recommended (50%) ✓ Fits season (151 days to spare)
Start indoors: Jan 26 Transplant: Mar 23 🌸 Bloom: May 11 – Jun 8
Safe Start (90%) ✓ Fits season (149 days to spare)
Start indoors: Feb 14 Transplant: Apr 11 🌸 Bloom: May 30 – Jun 27

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 Fulton County

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

Soil pH

Your soil pH (5.7–6.5) overlaps with Columbine's range (6.0–7.0), though not a perfect match.

Soil Texture

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

Drainage

Drainage is adequate for Columbine.

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

3
successive plantings in your 228-day season

Sow every 8 weeks. Last sowing by Jul 29 to harvest before frost.

Columbine Water Budget

Plant needs
1.0″/week
Rainfall provides
1.0″/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 5.1" 0" ❄️ Dormant
Feb 3.8" 0" ❄️ Dormant
Mar 4.3" 5.5" 0" ✅ Rainfall sufficient
Apr 4.3" 4.6" 0" ✅ Rainfall sufficient
May 4.3" 3.9" 0.4" 💧 Light watering
Jun 4.3" 4.6" 0" ✅ Rainfall sufficient
Jul 4.3" 5.2" 0" ✅ Rainfall sufficient
Aug 4.3" 5.6" 0" ✅ Rainfall sufficient
Sep 4.3" 3.9" 0.4" 💧 Light watering
Oct 4.3" 3.1" 1.2" 💧 Light watering
Nov 4.3" 3.7" 0.6" 💧 Light watering
Dec 4.7" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Fulton 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 ~1,488 GDD — county provides 3,990 GDD Excellent fit

Columbine Planting Timeline — Fulton County, GA

Columbine Planting Calendar

Activity When Date Range
Start Indoors January 26 Jan 26 – Feb 9
Transplant Outdoors March 23 Mar 23 – Apr 6
Direct Sow March 23 Mar 23 – Apr 13
Bloom May 11 May 11 – Jun 8

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

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Start Indoors
March Transplant Outdoors Direct Sow
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

228 days in Fulton County

Growing Tips for Columbine in Fulton County

Direct sow Columbine outdoors after March 23 in Fulton County when soil has warmed and frost danger has passed.

With Fulton 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 Fulton County, GA?

Fulton County is in Zone 8a with an average last frost of March 23. Plan your Columbine planting based on this frost date — see the calendar above for exact timing.

What planting zone is Fulton County, GA?

Fulton County, Georgia is in USDA Hardiness Zone 8a. The average last spring frost is March 23 and first fall frost is November 6.

When should I plant Columbine in Fulton County, GA?

In Fulton County, GA, plant Columbine after the last frost (around March 23) and before the first frost (around November 6). Best results when soil holds above 50°F.

What growing zone is Fulton County, GA for Columbine?

Fulton 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 Fulton County's climate?

Yes — Columbine grows well in Fulton County's temperate climate. Fulton County averages a 228-day frost-free season, with last frost around March 23 and first frost around November 6.

🌱

Your Fulton County Garden Planner — Free

A 22-page printable planner built for Fulton 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 Fulton County, GA. 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.