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When to plant Columbine in Hamilton County County,

Hamilton County County's spring Columbine window runs February 18 through March 11. aim for a steady week of warm soil before planting.

When to Plant Columbine in Hamilton County, FL

Hamilton County, Florida Zone 9a June

Your June gardening checklist

Your Hamilton County, Florida garden is entering a new phase. Here's what's on the schedule for June and why each task matters now.

Avg. last frost March 4
Avg. first frost November 26
Soil temp (4") 84°F
Watering Low
Pest pressure High
Daylight 14 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.

Hamilton County, Florida is in USDA Zone 9a. The average last spring frost is March 4 and the first fall frost is November 26, giving you a growing season of approximately 267 days.

At an elevation of 279 feet, Hamilton County receives approximately 61.2 inches of rainfall annually with predominantly sand soil. Summer highs average 93°F, providing good warmth for Columbine during the growing season. Sandy soil warms quickly in spring — great for early planting — but Columbine will need more frequent watering and organic matter to retain nutrients. 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
Hamilton County, FL (Zone 9a) Long season
267 days
Last Spring Frost March 4
267 growing days
First Fall Frost November 26

Hamilton County Soil Profile

Soil Type

Sand

Soil pH

5.2-5.7

Drainage

Well Drained

Columbine Planting Risk Windows

Early Start (70% safe) ✓ Fits season (214 days to spare)
Start indoors: Dec 25 Transplant: Feb 5 🌸 Bloom: Mar 26 – Apr 16
Recommended (50%) ✓ Fits season (211 days to spare)
Start indoors: Jan 7 Transplant: Feb 18 🌸 Bloom: Apr 8 – Apr 29
Safe Start (90%) ✓ Fits season (215 days to spare)
Start indoors: Jan 27 Transplant: Mar 10 🌸 Bloom: Apr 28 – May 19

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 Hamilton County

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

Soil pH

Your soil pH (5.2–5.7) is more acidic than Columbine prefers (6.0–7.0). Add garden lime to raise pH.

Soil Texture

Sandy soil in Hamilton County warms quickly in spring but drains fast. Columbine will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Drainage is adequate for Columbine.

Organic Matter

Organic matter is low (1.4%). Add 2-3 inches of compost before planting Columbine.

How to Plant Columbine

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

Succession Planting Columbine

4
successive plantings in your 267-day season

Sow every 8 weeks. Last sowing by Aug 18 to harvest before frost.

Columbine Water Budget

Plant needs
1.0″/week
Rainfall provides
1.0″/week
You supply
0.3″/week
Watering frequency 1-2 times/week
Season total 802 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 3.2" 0" ❄️ Dormant
Feb 3.1" 0" ❄️ Dormant
Mar 4.3" 3.3" 1" 💧 Light watering
Apr 4.3" 2.4" 1.9" 💧 Light watering
May 4.3" 3.4" 0.9" 💧 Light watering
Jun 4.3" 9.3" 0" ✅ Rainfall sufficient
Jul 4.3" 8.8" 0" ✅ Rainfall sufficient
Aug 4.3" 9.2" 0" ✅ Rainfall sufficient
Sep 4.3" 8.5" 0" ✅ Rainfall sufficient
Oct 4.3" 5" 0" ✅ Rainfall sufficient
Nov 4.3" 2.7" 1.6" 💧 Light watering
Dec 2.4" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Hamilton 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 ~1,679 GDD — county provides 5,273 GDD Excellent fit

Columbine Planting Timeline — Hamilton County, FL

Columbine Planting Calendar

Activity When Date Range
Start Indoors January 7 Jan 7 – Jan 21
Transplant Outdoors February 18 Feb 18 – Mar 4
Direct Sow February 18 Feb 18 – Mar 11
Bloom April 8 Apr 8 – Apr 29

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

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Transplant Outdoors Direct Sow
March Transplant Outdoors Direct Sow
April Bloom
May
June
July
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_acidic

🗺️ USDA Zone

Zone 9a

📆 Growing Season

267 days in Hamilton County

Growing Tips for Columbine in Hamilton County

Direct sow Columbine outdoors after March 04 in Hamilton County when soil has warmed and frost danger has passed.

Sandy soil in Hamilton County dries quickly — mulch Columbine with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

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 Hamilton County, FL?

Hamilton County is in Zone 9a with an average last frost of March 4. Plan your Columbine planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hamilton County, FL?

Hamilton County, Florida is in USDA Hardiness Zone 9a. The average last spring frost is March 4 and first fall frost is November 26.

When should I plant Columbine in Hamilton County, ?

In Hamilton County, , plant Columbine after the last frost (around March 4) and before the first frost (around November 26). Best results when soil holds above 50°F.

What growing zone is Hamilton County, for Columbine?

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

Can Columbine grow in Hamilton County's climate?

Yes — Columbine grows well in Hamilton County's temperate climate. Hamilton County averages a 267-day frost-free season, with last frost around March 4 and first frost around November 26.

🌱

Your Hamilton County Garden Planner — Free

A 22-page printable planner built for Hamilton County (Zone 9a). 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 Hamilton County, FL. 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.