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When to plant Columbine in Edwards County County,

Plant Columbine in Edwards County County, when soil hits 50°F — usually April 22. Continue planting through May 13 for the spring crop.

When to Plant Columbine in Edwards County, KS

Edwards County, Kansas Zone 6b June

Your June game plan for Edwards County, Kansas

A quick June briefing for Edwards County, Kansas gardeners — what's urgent, what's next, and what can wait.

Avg. last frost April 15
Avg. first frost October 23
Soil temp (4") 75°F
Watering Moderate
Pest pressure High
Daylight 14.6 hrs
  1. Sow columbine in trays indoors

    You're about 19 weeks out from your last frost — the perfect window to get these germinating indoors.

  2. It's harvest week for columbine

    Don't tug. Use scissors or pruners for clean cuts — torn stems invite disease.

A few tasks this June that'll pay off in July
  • First harvests: columbine

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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.

Edwards County, Kansas is in USDA Zone 6b. The average last spring frost is April 15 and the first fall frost is October 23, giving you a growing season of approximately 191 days.

At an elevation of 814 feet, Edwards County receives approximately 22 inches of rainfall annually with predominantly loam soil. Summer highs average 85°F, providing good warmth for Columbine during the growing season.

Perennial Blooms in Spring Pollinator-friendly Deer-resistant Good for cutting
Edwards County, KS (Zone 6b) Moderate season
191 days
Last Spring Frost April 15
191 growing days
First Fall Frost October 23

Edwards County Soil Profile

Soil Type

Loam

Soil pH

6.7-7.5

Drainage

Well Drained

Columbine Planting Risk Windows

Early Start (70% safe) ✓ Fits season (90 days to spare)
Start indoors: Feb 5 Transplant: Apr 16 🌸 Bloom: Jun 11 – Jul 16
Recommended (50%) ✓ Fits season (93 days to spare)
Start indoors: Feb 11 Transplant: Apr 22 🌸 Bloom: Jun 17 – Jul 22
Safe Start (90%) ✓ Fits season (95 days to spare)
Start indoors: Feb 26 Transplant: May 7 🌸 Bloom: Jul 2 – Aug 6

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 Edwards County

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

Soil pH

Your soil pH (6.7–7.5) is more alkaline than Columbine prefers (6.0–7.0). Add sulfur or peat moss to lower pH.

Soil Texture

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

Organic Matter

Organic matter is moderate (3.6%). 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 191-day season

Sow every 8 weeks. Last sowing by Jul 15 to harvest before frost.

Columbine Water Budget

Plant needs
1.0″/week
Rainfall provides
0.5″/week
You supply
0.6″/week
Watering frequency 1-2 times/week
Season total 1,053 gal / 100 sq ft
Drought risk

Water stress score is 8/10 — consider drought-tolerant varieties and mulching

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 0.6" 0" ❄️ Dormant
Feb 0.7" 0" ❄️ Dormant
Mar 1.4" 0" ❄️ Dormant
Apr 4.3" 2.5" 1.8" 💧 Light watering
May 4.3" 3.3" 1" 💧 Light watering
Jun 4.3" 3.7" 0.6" 💧 Light watering
Jul 4.3" 2.9" 1.4" 💧 Light watering
Aug 4.3" 2.3" 2" 💧 Light watering
Sep 4.3" 1.9" 2.4" 🚿 Regular watering
Oct 4.3" 1.5" 2.8" 🚿 Regular watering
Nov 0.6" 0" ❄️ Dormant
Dec 0.6" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Edwards 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 ~1,169 GDD — county provides 2,626 GDD Excellent fit

Columbine Planting Timeline — Edwards County, KS

Columbine Planting Calendar

Activity When Date Range
Start Indoors February 11 Feb 11 – Feb 25
Transplant Outdoors April 22 Apr 22 – May 6
Direct Sow April 22 Apr 22 – May 13
Bloom June 17 Jun 17 – Jul 22

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 Transplant Outdoors Direct Sow
June Bloom
July Bloom
August
September
October
November
December

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · 1-2 times/week

📅 Days to Maturity

70–100 days

🧪 Soil pH

Needs 6–7 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 6b

📆 Growing Season

191 days in Edwards County

Growing Tips for Columbine in Edwards County

Direct sow Columbine outdoors after April 15 in Edwards County when soil has warmed and frost danger has passed.

Edwards County receives only 22" of rain annually. Columbine needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.

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 Edwards County, KS?

Edwards County is in Zone 6b with an average last frost of April 15. Plan your Columbine planting based on this frost date — see the calendar above for exact timing.

What planting zone is Edwards County, KS?

Edwards County, Kansas is in USDA Hardiness Zone 6b. The average last spring frost is April 15 and first fall frost is October 23.

When should I plant Columbine in Edwards County County, ?

In Edwards County County, , plant Columbine after the last frost (around April 15) and before the first frost (around October 23). Best results when soil holds above 50°F.

What growing zone is Edwards County County, for Columbine?

Edwards County County sits in USDA Zone 6b. Columbine grows reliably in zones 3a through 9a, so it's a good fit here.

Can Columbine grow in Edwards County County's climate?

Yes — Columbine grows well in Edwards County County's temperate climate. Edwards County County averages a 191-day frost-free season, with last frost around April 15 and first frost around October 23.

🌱

Your Edwards County Garden Planner — Free

A 22-page printable planner built for Edwards County (Zone 6b). 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 Edwards County, KS. 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.