When to plant Celosia in Miami County, IN
For Celosia in Miami County, the safe spring window opens around May 1 and closes around May 22. Last expected frost is April 24, first fall frost October 17, giving a 176-day growing season.
When to Plant Celosia in Miami County, IN
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.
Miami County, Indiana is in USDA Zone 6a. The average last spring frost is April 24 and the first fall frost is October 17, giving you a growing season of approximately 176 days.
At an elevation of 786 feet, Miami County receives approximately 33.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Celosia to ensure they mature before fall.
Miami County Soil Profile
Soil Type
Silt Loam
Soil pH
6-7.3
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 | — | 1.4" | 0" | ❄️ Dormant |
| Feb | — | 1.7" | 0" | ❄️ Dormant |
| Mar | — | 2.5" | 0" | ❄️ Dormant |
| Apr | 4.3" | 3.2" | 1.1" | 💧 Light watering |
| May | 4.3" | 3.7" | 0.6" | 💧 Light watering |
| Jun | 4.3" | 3.7" | 0.6" | 💧 Light watering |
| Jul | 4.3" | 3.7" | 0.6" | 💧 Light watering |
| Aug | 4.3" | 3.7" | 0.6" | 💧 Light watering |
| Sep | 4.3" | 3.4" | 0.9" | 💧 Light watering |
| Oct | 4.3" | 2.4" | 1.9" | 💧 Light watering |
| Nov | — | 2.6" | 0" | ❄️ Dormant |
| Dec | — | 1.8" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Apr–Oct in Miami County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Celosia Planting Timeline — Miami County, IN
Celosia Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 20 | Mar 20 – Apr 3 |
| Transplant Outdoors | May 1 | May 1 – May 15 |
| Direct Sow | May 1 | May 1 – May 22 |
| Bloom | July 3 | Jul 3 – Oct 16 |
Plant 0.1" deep · 9" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| June | — |
| 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 6a
📆 Growing Season
176 days in Miami County
Growing Tips for Miami 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 →
Celosia in Other Locations
Frequently Asked Questions
When should I plant Celosia in Miami County, IN?
Miami County is in Zone 6a with an average last frost of April 24. Plan your Celosia planting based on this frost date — see the calendar above for exact timing.
What planting zone is Miami County, IN?
Miami County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 24 and first fall frost is October 17.
When should I plant Celosia in Miami County, IN?
In Miami County, IN, plant Celosia after the last frost (around April 24) and before the first frost (around October 17). Best results when soil holds above 50°F.
What growing zone is Miami County, IN for Celosia?
Miami County sits in USDA Zone 6a. Celosia grows reliably in zones 3a through 11b, so it's a good fit here.
Can Celosia grow in Miami County's climate?
Yes — Celosia grows well in Miami County's temperate climate. Miami County averages a 176-day frost-free season, with last frost around April 24 and first frost around October 17.
Your Miami County Garden Planner — Free
A 22-page printable planner built for Miami County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.