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When to Plant Gaillardia (Blanket Flower) in Leon County, TX

Leon County, Texas Zone 8b June

June in Leon County, Texas — your action list

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

Avg. last frost March 9
Avg. first frost November 14
Soil temp (4") 83°F
Watering Low
Pest pressure High
Daylight 14 hrs
  1. Basket week: gaillardia (blanket flower)

    This is the payoff month. Bring a basket, bring a friend, and get into the beds.

July prep starts now
  • 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.

Leon County, Texas is in USDA Zone 8b. The average last spring frost is March 9 and the first fall frost is November 14, giving you a growing season of approximately 250 days.

At an elevation of 226 feet, Leon County receives approximately 72.8 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 91°F, providing good warmth for Gaillardia (Blanket Flower) during the growing season. Sandy soil warms quickly in spring — great for early planting — but Gaillardia (Blanket Flower) will need more frequent watering and organic matter to retain nutrients. 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
Leon County, TX (Zone 8b) Long season
250 days
Last Spring Frost March 9
250 growing days
First Fall Frost November 14
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Leon County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.4-6.2

Drainage

Well Drained

Gaillardia (Blanket Flower) Planting Risk Windows

Early Start (70% safe) ✓ Fits season (27 days to spare)
Start indoors: Jan 20 Transplant: Feb 17 🌸 Bloom: Apr 28 – Oct 13
Recommended (50%) ✓ Fits season (26 days to spare)
Start indoors: Jan 26 Transplant: Feb 23 🌸 Bloom: May 4 – Oct 19
Safe Start (90%) ✓ Fits season (16 days to spare)
Start indoors: Feb 24 Transplant: Mar 24 🌸 Bloom: Jun 2 – Nov 17

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 Leon County

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

Soil pH

Your soil pH (5.4–6.2) is more acidic than Gaillardia (Blanket Flower) prefers (6.0–7.0). Add garden lime to raise pH.

Soil Texture

Sandy soil in Leon County warms quickly in spring but drains fast. Gaillardia (Blanket Flower) will need more frequent watering and regular compost additions to retain nutrients.

Organic Matter

Organic matter is low (1.9%). Add 2-3 inches of compost before planting Gaillardia (Blanket Flower).

How to Plant Gaillardia (Blanket Flower)

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

Succession Planting Gaillardia (Blanket Flower)

4
successive plantings in your 250-day season

Sow every 8 weeks. Last sowing by Aug 06 to harvest before frost.

Gaillardia (Blanket Flower) Water Budget

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

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 1.7" 0" ❄️ Dormant
Feb 2.5" 0" ❄️ Dormant
Mar 2.2" 4.6" 0" ✅ Rainfall sufficient
Apr 2.2" 7" 0" ✅ Rainfall sufficient
May 2.2" 11.4" 0" ✅ Rainfall sufficient
Jun 2.2" 11.2" 0" ✅ Rainfall sufficient
Jul 2.2" 8.7" 0" ✅ Rainfall sufficient
Aug 2.2" 9.6" 0" ✅ Rainfall sufficient
Sep 2.2" 7.3" 0" ✅ Rainfall sufficient
Oct 2.2" 4.3" 0" ✅ Rainfall sufficient
Nov 2.2" 2.7" 0" ✅ Rainfall sufficient
Dec 1.8" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Leon 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 4,562 GDD Excellent fit

Gaillardia (Blanket Flower) Planting Timeline — Leon County, TX

Gaillardia (Blanket Flower) Planting Calendar

Activity When Date Range
Start Indoors January 26 Jan 26 – Feb 9
Transplant Outdoors February 23 Feb 23 – Mar 9
Direct Sow February 23 Feb 23 – Mar 16
Bloom May 4 May 4 – Oct 19

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

Month-by-Month Timeline

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

🗺️ USDA Zone

Zone 8b

📆 Growing Season

250 days in Leon County

Growing Tips for Gaillardia (Blanket Flower) in Leon County

Direct sow Gaillardia (Blanket Flower) outdoors after March 09 in Leon County when soil has warmed and frost danger has passed.

Sandy soil in Leon County dries quickly — mulch Gaillardia (Blanket Flower) with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

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 Leon County, TX?

Leon County is in Zone 8b with an average last frost of March 9. Plan your Gaillardia (Blanket Flower) planting based on this frost date — see the calendar above for exact timing.

What planting zone is Leon County, TX?

Leon County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 9 and first fall frost is November 14.

🌱

Your Leon County Garden Planner — Free

A 22-page printable planner built for Leon County (Zone 8b). 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 Leon County, TX. 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.