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When to Plant Celosia in Reagan County, TX

Reagan County, Texas Zone 8a June

Your June gardening checklist

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

Avg. last frost March 30
Avg. first frost November 9
Soil temp (4") 66°F
Watering High
Pest pressure High
Daylight 14 hrs
  1. Collect celosia at their peak

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

Get ahead of July
  • First harvests: celosia

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Celosia (Celosia argentea) encompasses the vivid cockscomb (cristata) and feathery plumed (plumosa) types that explode with color in summer heat. Drought-tolerant and disease-resistant, they thrive in the hottest parts of the season and produce long-lasting blooms both in the garden and as cut or dried flowers. A reliable filler in sunny annual beds.

Reagan County, Texas is in USDA Zone 8a. The average last spring frost is March 30 and the first fall frost is November 9, giving you a growing season of approximately 224 days.

At an elevation of 3,983 feet, Reagan County receives approximately 51.9 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 97°F, so Celosia may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Celosia will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Celosia root diseases.

Annual Blooms in Summer Pollinator-friendly Good for cutting
Reagan County, TX (Zone 8a) Long season
224 days
Last Spring Frost March 30
224 growing days
First Fall Frost November 9

Reagan County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.7-8.9

Drainage

Well Drained

Celosia Planting Risk Windows

Early Start (70% safe) ✓ Fits season (25 days to spare)
Start indoors: Feb 17 Transplant: Mar 10 🌸 Bloom: May 12 – Oct 6
Recommended (50%) ✓ Fits season (21 days to spare)
Start indoors: Mar 2 Transplant: Mar 23 🌸 Bloom: May 25 – Oct 19
Safe Start (90%) ✓ Fits season (23 days to spare)
Start indoors: Mar 18 Transplant: Apr 8 🌸 Bloom: Jun 10 – Nov 4

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 Reagan County

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

Soil pH

Your soil pH (7.7–8.9) is more alkaline than Celosia prefers (6.0–7.0). Add sulfur or peat moss to lower pH.

Soil Texture

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

Organic Matter

Organic matter is low (1.1%). Add 2-3 inches of compost before planting Celosia.

How to Plant Celosia

0.1"
Planting Depth
9"
Between Plants
12"
Between Rows

Succession Planting Celosia

4
successive plantings in your 224-day season

Sow every 6.9 weeks. Last sowing by Aug 11 to harvest before frost.

Celosia 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 Celosia

Celosia 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 Celosia Needs Rainfall You Supplement Action
Jan 3.9" 0" ❄️ Dormant
Feb 2.9" 0" ❄️ Dormant
Mar 2.2" 2.6" 0" ✅ Rainfall sufficient
Apr 2.2" 1.9" 0.3" 💧 Light watering
May 2.2" 1.4" 0.8" 💧 Light watering
Jun 2.2" 1.5" 0.7" 💧 Light watering
Jul 2.2" 9.8" 0" ✅ Rainfall sufficient
Aug 2.2" 10.2" 0" ✅ Rainfall sufficient
Sep 2.2" 7" 0" ✅ Rainfall sufficient
Oct 2.2" 4.4" 0" ✅ Rainfall sufficient
Nov 2.2" 3" 0" ✅ Rainfall sufficient
Dec 3.5" 0" ❄️ Dormant

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

Celosia 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.

Celosia needs ~1,706 GDD — county provides 5,096 GDD Excellent fit

Celosia Planting Timeline — Reagan County, TX

Celosia Planting Calendar

Activity When Date Range
Start Indoors March 2 Mar 2 – Mar 16
Transplant Outdoors March 23 Mar 23 – Apr 6
Direct Sow March 23 Mar 23 – Apr 13
Bloom May 25 May 25 – Oct 19

Plant 0.1" deep · 9" apart · Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 8a

📆 Growing Season

224 days in Reagan County

Growing Tips for Celosia in Reagan County

Direct sow Celosia outdoors after March 30 in Reagan County when soil has warmed and frost danger has passed.

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

With summer highs reaching 97°F in Reagan County, provide afternoon shade for Celosia and water deeply in the morning.

General growing tips

Start seeds indoors 4–6 weeks before last frost, or direct-sow after soil warms above 60°F. Does not transplant well from large pots — sow in small cells or direct-sow. Needs full sun and warm soil; cold stress causes stunting. Pinch first bloom to encourage branching. Water at the base; wet foliage encourages fungal issues. Excellent dried flower — harvest before seeds set for the best color retention.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Celosia in Reagan County, TX?

Reagan County is in Zone 8a with an average last frost of March 30. Plan your Celosia planting based on this frost date — see the calendar above for exact timing.

What planting zone is Reagan County, TX?

Reagan County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 30 and first fall frost is November 9.

🌱

Your Reagan County Garden Planner — Free

A 22-page printable planner built for Reagan 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 Reagan 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.