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When to Plant Columbine in Beaver County, UT

Beaver County, Utah Zone 6a June

Your June game plan for Beaver County, Utah

June is a pivotal month for Beaver County, Utah gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost May 21
Avg. first frost September 29
Soil temp (4") 45°F
Watering High
Pest pressure High
Daylight 14.6 hrs
  1. Move columbine from tray to bed

    Harden off for 7 days — a little more sun each day — before planting. That's the difference between a seedling that thrives and one that stalls.

  2. Seed columbine outdoors

    Your soil is 45°F — warm enough for these to germinate without babying.

July will be here before you know it — start on
  • Starting indoors: columbine
  • 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.

Beaver County, Utah is in USDA Zone 6a. The average last spring frost is May 21 and the first fall frost is September 29, giving you a growing season of approximately 131 days.

At an elevation of 7,589 feet, Beaver County receives approximately 24.3 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
Beaver County, UT (Zone 6a) Short season
131 days
Last Spring Frost May 21
131 growing days
First Fall Frost September 29

Beaver County Soil Profile

Soil Type

Loam

Soil pH

6.5-7.8

Drainage

Well Drained

Columbine Planting Risk Windows

Early Start (70% safe) ✓ Fits season (26 days to spare)
Start indoors: Mar 11 Transplant: May 27 🌸 Bloom: Jul 22 – Aug 26
Recommended (50%) ✓ Fits season (26 days to spare)
Start indoors: Mar 19 Transplant: Jun 4 🌸 Bloom: Jul 30 – Sep 3
Safe Start (90%) ✓ Fits season (21 days to spare)
Start indoors: Apr 8 Transplant: Jun 24 🌸 Bloom: Aug 19 – Sep 23

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 Beaver County

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

Soil pH

Your soil pH (6.5–7.8) is more alkaline than Columbine prefers (6.0–7.0). Add sulfur or peat moss to lower pH.

Soil Texture

The loam soil in Beaver 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

2
successive plantings in your 131-day season

Sow every 8 weeks. Last sowing by Jun 21 to harvest before frost.

Columbine Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
You supply
0.6″/week
Watering frequency 1-2 times/week
Season total 729 gal / 100 sq ft
Drought risk

Water stress score is 10/10 — 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 1.7" 0" ❄️ Dormant
Feb 1.4" 0" ❄️ Dormant
Mar 2.5" 0" ❄️ Dormant
Apr 2.3" 0" ❄️ Dormant
May 4.3" 2.9" 1.4" 💧 Light watering
Jun 4.3" 1.6" 2.7" 🚿 Regular watering
Jul 4.3" 2.4" 1.9" 💧 Light watering
Aug 4.3" 2.3" 2" 💧 Light watering
Sep 4.3" 2" 2.3" 🚿 Regular watering
Oct 2.3" 0" ❄️ Dormant
Nov 1.6" 0" ❄️ Dormant
Dec 1.4" 0" ❄️ Dormant

Water needs are for active growing months only (May–Sep in Beaver 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 1,801 GDD Excellent fit

Columbine Planting Timeline — Beaver County, UT

Columbine Planting Calendar

Activity When Date Range
Start Indoors March 19 Mar 19 – Apr 2
Transplant Outdoors June 4 Jun 4 – Jun 18
Direct Sow June 4 Jun 4 – Jun 25
Bloom July 30 Jul 30 – Sep 3

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April Start Indoors
May
June Transplant Outdoors Direct Sow
July Bloom
August Bloom
September Bloom
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 6a

📆 Growing Season

131 days in Beaver County

Growing Tips for Columbine in Beaver County

Direct sow Columbine outdoors after May 21 in Beaver County when soil has warmed and frost danger has passed.

Beaver County receives only 24" 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 Beaver County, UT?

Beaver County is in Zone 6a with an average last frost of May 21. Plan your Columbine planting based on this frost date — see the calendar above for exact timing.

What planting zone is Beaver County, UT?

Beaver County, Utah is in USDA Hardiness Zone 6a. The average last spring frost is May 21 and first fall frost is September 29.

🌱

Your Beaver County Garden Planner — Free

A 22-page printable planner built for Beaver County (Zone 6a). 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 Beaver County, UT. 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.