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When to plant Celosia in Kenton County, KY

In Zone 6b (Kenton County), direct-sow Celosia between April 25 and May 16 for spring, after the April 18 last-frost mark.

When to Plant Celosia in Kenton County, KY

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.

Kenton County, Kentucky is in USDA Zone 6b. The average last spring frost is April 18 and the first fall frost is October 23, giving you a growing season of approximately 188 days.

At an elevation of 3,323 feet, Kenton County receives approximately 44.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Celosia during the growing season.

Annual Blooms in Summer Pollinator-friendly Good for cutting
Kenton County, KY (Zone 6b) Moderate season
188 days
Last Spring Frost April 18
188 growing days
First Fall Frost October 23

Kenton County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-6.8

Drainage

Well Drained

Monthly Watering Guide for Celosia

Celosia needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Celosia Needs Rainfall You Supplement Action
Jan 3.6" 0" ❄️ Dormant
Feb 3.6" 0" ❄️ Dormant
Mar 4.6" 0" ❄️ Dormant
Apr 4.3" 3.5" 0.8" 💧 Light watering
May 4.3" 2.9" 1.4" 💧 Light watering
Jun 4.3" 4" 0.3" 💧 Light watering
Jul 4.3" 4.8" 0" ✅ Rainfall sufficient
Aug 4.3" 3.5" 0.8" 💧 Light watering
Sep 4.3" 3.4" 0.9" 💧 Light watering
Oct 4.3" 3.1" 1.2" 💧 Light watering
Nov 3.4" 0" ❄️ Dormant
Dec 3.8" 0" ❄️ Dormant

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

Celosia Planting Timeline — Kenton County, KY

Celosia Planting Calendar

Activity When Date Range
Start Indoors March 14 Mar 14 – Mar 28
Transplant Outdoors April 25 Apr 25 – May 9
Direct Sow April 25 Apr 25 – May 16
Bloom June 27 Jun 27 – Oct 17

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 Transplant Outdoors 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

188 days in Kenton County

Growing Tips for Kenton 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 Kenton County, KY?

Kenton County is in Zone 6b with an average last frost of April 18. Plan your Celosia planting based on this frost date — see the calendar above for exact timing.

What planting zone is Kenton County, KY?

Kenton County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 18 and first fall frost is October 23.

When should I plant Celosia in Kenton County, KY?

In Kenton County, KY, plant Celosia after the last frost (around April 18) and before the first frost (around October 23). Best results when soil holds above 50°F.

What growing zone is Kenton County, KY for Celosia?

Kenton 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 Kenton County's climate?

Yes — Celosia grows well in Kenton County's temperate climate. Kenton County averages a 188-day frost-free season, with last frost around April 18 and first frost around October 23.

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Your Kenton County Garden Planner — Free

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

Sources & credits

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