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When to plant Gaillardia (Blanket Flower) in Cullman County County,

In Cullman County County, plant Gaillardia (Blanket Flower) in spring between March 21 and April 11, once soil temps hold above 50°F. Cullman County County's last frost averages March 28, 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 2.

When to Plant Gaillardia (Blanket Flower) in Cullman County, AL

Cullman County, Alabama Zone 8a June

June to-do list for Cullman County, Alabama

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

Avg. last frost March 28
Avg. first frost November 2
Soil temp (4") 79°F
Watering Low
Pest pressure High
Daylight 14.3 hrs
  1. Start harvesting gaillardia (blanket flower)

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

Before July arrives, get these ready
  • First harvests: gaillardia (blanket flower)

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Gaillardia (Gaillardia aristata), the native blanket flower of the American West, is one of the most floriferous and longest-blooming perennials available — producing cheerful, daisy-like flowers in fiery red, orange, and yellow combinations from early summer through hard frost in most climates. Named for the way its spreading colonies mimic the patterned blankets of Indigenous American weavers, gaillardia thrives in the exact conditions that challenge other perennials: poor, dry, gravelly soil in full sun. An outstanding pollinator plant, attracting bees, butterflies, and finches that feed on its seed heads. Somewhat short-lived (3–5 years) but self-seeds freely to sustain garden colonies.

Cullman County, Alabama is in USDA Zone 8a. The average last spring frost is March 28 and the first fall frost is November 2, giving you a growing season of approximately 219 days.

At an elevation of 347 feet, Cullman County receives approximately 53.1 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91°F, providing good warmth for Gaillardia (Blanket Flower) during the growing season. Clay soil retains moisture well for Gaillardia (Blanket Flower), but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Gaillardia (Blanket Flower) root diseases.

Perennial Blooms in Multi-season Pollinator-friendly Deer-resistant Good for cutting
Cullman County, AL (Zone 8a) Long season
219 days
Last Spring Frost March 28
219 growing days
First Fall Frost November 2

Cullman County Soil Profile

Soil Type

Clay Loam

Soil pH

5.4-6.8

Drainage

Well Drained

Gaillardia (Blanket Flower) Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Start indoors: Jan 31 Transplant: Mar 14 🌸 Bloom: May 23 – Nov 7
Recommended (50%) ✗ May not fit
Start indoors: Feb 7 Transplant: Mar 21 🌸 Bloom: May 30 – Nov 14
Safe Start (90%) ✗ May not fit
Start indoors: Mar 1 Transplant: Apr 12 🌸 Bloom: Jun 21 – Dec 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 Cullman County

How your county's soil matches Gaillardia (Blanket Flower)'s growing requirements.

Soil pH

Your soil pH (5.4–6.8) overlaps with Gaillardia (Blanket Flower)'s range (6.0–7.0), though not a perfect match.

Soil Texture

The clay loam soil in Cullman County is excellent for Gaillardia (Blanket Flower) — good drainage, moisture retention, and nutrient holding capacity.

Drainage

Gaillardia (Blanket Flower) prefers dry conditions but your soil drains poorly. Use raised beds or mounded rows to prevent root rot.

Organic Matter

Organic matter is moderate (2.7%). Annual compost additions will help Gaillardia (Blanket Flower).

How to Plant Gaillardia (Blanket Flower)

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

Succession Planting Gaillardia (Blanket Flower)

3
successive plantings in your 219-day season

Sow every 8 weeks. Last sowing by Jul 25 to harvest before frost.

Gaillardia (Blanket Flower) Water Budget

Plant needs
0.5″/week
Rainfall provides
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Gaillardia (Blanket Flower)

Gaillardia (Blanket Flower) needs approximately 0.5 inches of water per week (2.2" per month). Here's how your county's rainfall compares month by month.

Month Gaillardia (Blanket Flower) Needs Rainfall You Supplement Action
Jan 4" 0" ❄️ Dormant
Feb 4" 0" ❄️ Dormant
Mar 2.2" 5.3" 0" ✅ Rainfall sufficient
Apr 2.2" 4.4" 0" ✅ Rainfall sufficient
May 2.2" 4.3" 0" ✅ Rainfall sufficient
Jun 2.2" 4.8" 0" ✅ Rainfall sufficient
Jul 2.2" 5.2" 0" ✅ Rainfall sufficient
Aug 2.2" 5.4" 0" ✅ Rainfall sufficient
Sep 2.2" 4" 0" ✅ Rainfall sufficient
Oct 2.2" 3.3" 0" ✅ Rainfall sufficient
Nov 2.2" 4.4" 0" ✅ Rainfall sufficient
Dec 3.9" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Cullman County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Gaillardia (Blanket Flower) 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.

Gaillardia (Blanket Flower) needs ~1,551 GDD — county provides 3,996 GDD Excellent fit

Gaillardia (Blanket Flower) Planting Timeline — Cullman County, AL

Gaillardia (Blanket Flower) Planting Calendar

Activity When Date Range
Start Indoors February 7 Feb 7 – Feb 21
Transplant Outdoors March 21 Mar 21 – Apr 4
Direct Sow March 21 Mar 21 – Apr 11
Bloom May 30 May 30 – Nov 14

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

70–100 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 8a

📆 Growing Season

219 days in Cullman County

Growing Tips for Gaillardia (Blanket Flower) in Cullman County

Direct sow Gaillardia (Blanket Flower) outdoors after March 28 in Cullman County when soil has warmed and frost danger has passed.

With Cullman County's clay soil (30% clay), work in 3-4 inches of compost before planting Gaillardia (Blanket Flower). Avoid tilling when soil is wet to prevent compaction.

Common pests for Gaillardia (Blanket Flower) in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.

General growing tips

Start seeds indoors 6–8 weeks before last frost or direct-sow after last frost. Seeds need light to germinate — press onto soil surface without covering, or cover very lightly (1/8 inch). Transplant after last frost when soil has warmed. Lean, well-drained soil is essential — rich or wet soil causes sprawl and root rot. Deadhead spent blooms to prolong the season, but leave some heads for self-seeding to renew the planting. Divide every 2–3 years in spring to maintain vigor. Drought-tolerant once established; overwatering is more damaging than underwatering. Year 2+ plants deliver the fullest multi-season bloom.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Gaillardia (Blanket Flower) in Cullman County, AL?

Cullman County is in Zone 8a with an average last frost of March 28. Plan your Gaillardia (Blanket Flower) planting based on this frost date — see the calendar above for exact timing.

What planting zone is Cullman County, AL?

Cullman County, Alabama is in USDA Hardiness Zone 8a. The average last spring frost is March 28 and first fall frost is November 2.

When should I plant Gaillardia (Blanket Flower) in Cullman County County, ?

In Cullman County County, , plant Gaillardia (Blanket Flower) after the last frost (around March 28) and before the first frost (around November 2). Best results when soil holds above 50°F.

What growing zone is Cullman County County, for Gaillardia (Blanket Flower)?

Cullman County County sits in USDA Zone 8a. Gaillardia (Blanket Flower) grows reliably in zones 3a through 10b, so it's a good fit here.

Can Gaillardia (Blanket Flower) grow in Cullman County County's climate?

Yes — Gaillardia (Blanket Flower) grows well in Cullman County County's temperate climate. Cullman County County averages a 219-day frost-free season, with last frost around March 28 and first frost around November 2.

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A 22-page printable planner built for Cullman 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 Cullman County, AL. Local conditions may vary. Last updated: June 2026.

Sources & credits

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