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When to plant Celosia in Benton County, MO

Benton County's climate puts the Celosia spring window between April 16 and May 7. time plantings around the expected last-frost window for best survival.

When to Plant Celosia in Benton County, MO

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.

Benton County, Missouri is in USDA Zone 6b. The average last spring frost is April 9 and the first fall frost is October 25, giving you a growing season of approximately 199 days.

At an elevation of 1,323 feet, Benton County receives approximately 39.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Celosia during the growing season.

Annual Blooms in Summer Pollinator-friendly Good for cutting
Benton County, MO (Zone 6b) Moderate season
199 days
Last Spring Frost April 9
199 growing days
First Fall Frost October 25

Benton County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Celosia Planting Timeline — Benton County, MO

Celosia Planting Calendar

Activity When Date Range
Start Indoors March 5 Mar 5 – Mar 19
Transplant Outdoors April 16 Apr 16 – Apr 30
Direct Sow April 16 Apr 16 – May 7
Bloom June 18 Jun 18 – Oct 8

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

199 days in Benton County

Growing Tips for Benton County

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 Benton County, MO?

Benton County is in Zone 6b with an average last frost of April 9. Plan your Celosia planting based on this frost date — see the calendar above for exact timing.

What planting zone is Benton County, MO?

Benton County, Missouri is in USDA Hardiness Zone 6b. The average last spring frost is April 9 and first fall frost is October 25.

When should I plant Celosia in Benton County, MO?

In Benton County, MO, plant Celosia after the last frost (around April 9) and before the first frost (around October 25). Best results when soil holds above 50°F.

What growing zone is Benton County, MO for Celosia?

Benton County sits in USDA Zone 6b. Celosia grows reliably in zones 3a through 11b, so it's a good fit here.

Can Celosia grow in Benton County's climate?

Yes — Celosia grows well in Benton County's temperate climate. Benton County averages a 199-day frost-free season, with last frost around April 9 and first frost around October 25.

🌱

Your Benton County Garden Planner — Free

A 22-page printable planner built for Benton County (Zone 6b). 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 Benton County, MO. Local conditions may vary. Last updated: June 2026.

Sources & credits

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