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When to Plant Celosia in Sutton County, TX

Sutton County, Texas Zone 8a July

Your July planting checklist for Sutton County, Texas

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

Avg. last frost March 28
Avg. first frost November 10
Soil temp (4") 79°F
Watering Low
Pest pressure High
Daylight 13.8 hrs
  1. Basket week: celosia

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

A few tasks this July that'll pay off in August
  • 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.

Sutton County, Texas is in USDA Zone 8a. The average last spring frost is March 28 and the first fall frost is November 10, giving you a growing season of approximately 227 days.

At an elevation of 4,068 feet, Sutton County receives approximately 46 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 103°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.

Annual Blooms in Summer Pollinator-friendly Good for cutting
Sutton County, TX (Zone 8a) Long season
227 days
Last Spring Frost March 28
227 growing days
First Fall Frost November 10

Sutton County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.8-8.7

Drainage

Well Drained

Celosia Planting Risk Windows

Early Start (70% safe) ✓ Fits season (26 days to spare)
Start indoors: Feb 13 Transplant: Mar 6 🌸 Bloom: May 8 – Oct 2
Recommended (50%) ✓ Fits season (24 days to spare)
Start indoors: Feb 28 Transplant: Mar 21 🌸 Bloom: May 23 – Oct 17
Safe Start (90%) ✓ Fits season (23 days to spare)
Start indoors: Mar 20 Transplant: Apr 10 🌸 Bloom: Jun 12 – Nov 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 Sutton County

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

Soil pH

Your soil pH (7.8–8.7) is more alkaline than Celosia prefers (6.0–7.0). Add sulfur or peat moss to lower pH.

Soil Texture

Sandy soil in Sutton 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 (1.0%). 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 227-day season

Sow every 6.9 weeks. Last sowing by Aug 12 to harvest before frost.

Celosia Water Budget

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

Water stress score is 8/10 — 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 3.5" 0" ❄️ Dormant
Feb 3" 0" ❄️ Dormant
Mar 2.2" 2.6" 0" ✅ Rainfall sufficient
Apr 2.2" 1.7" 0.5" 💧 Light watering
May 2.2" 1" 1.2" 🚿 Regular watering
Jun 2.2" 1.6" 0.6" 💧 Light watering
Jul 2.2" 7.5" 0" ✅ Rainfall sufficient
Aug 2.2" 8.3" 0" ✅ Rainfall sufficient
Sep 2.2" 7.3" 0" ✅ Rainfall sufficient
Oct 2.2" 3.6" 0" ✅ Rainfall sufficient
Nov 2.2" 2.5" 0" ✅ Rainfall sufficient
Dec 3.4" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Sutton 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 ~2,044 GDD — county provides 6,185 GDD Excellent fit

Celosia Planting Timeline — Sutton County, TX

Celosia Planting Calendar

Activity When Date Range
Start Indoors February 28 Feb 28 – Mar 14
Transplant Outdoors March 21 Mar 21 – Apr 4
Direct Sow March 21 Mar 21 – Apr 11
Bloom May 23 May 23 – Oct 17

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

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
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

227 days in Sutton County

Growing Tips for Celosia in Sutton County

Direct sow Celosia outdoors after March 28 in Sutton County when soil has warmed and frost danger has passed.

Sandy soil in Sutton 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 103°F in Sutton 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 Sutton County, TX?

Sutton County is in Zone 8a with an average last frost of March 28. Plan your Celosia planting based on this frost date — see the calendar above for exact timing.

What planting zone is Sutton County, TX?

Sutton County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 28 and first fall frost is November 10.

🌱

Your Sutton County Garden Planner — Free

A 22-page printable planner built for Sutton 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 Sutton County, TX. Local conditions may vary. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.