When to plant Coreopsis in Appanoose County, IA
For Coreopsis in Appanoose County, the safe spring window opens around April 27 and closes around May 18. Last expected frost is April 20, first fall frost October 16, giving a 179-day growing season.
When to Plant Coreopsis in Appanoose County, IA
Coreopsis (Tickseed) is a cheerful, long-blooming native perennial that produces a continuous flush of bright yellow, gold, or bi-colored daisy-like flowers from early summer well into fall. One of the most reliable cut-and-come-again bloomers in the perennial garden, it thrives in hot, dry, sunny conditions and poor soil where many competitors struggle. An invaluable nectar source for native bees and butterflies, and a butterfly host plant for several species.
Appanoose County, Iowa is in USDA Zone 5b. The average last spring frost is April 20 and the first fall frost is October 16, giving you a growing season of approximately 179 days.
At an elevation of 640 feet, Appanoose County receives approximately 33.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Coreopsis during the growing season.
Appanoose County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Coreopsis Planting Timeline — Appanoose County, IA
Coreopsis Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 16 | Feb 16 – Mar 2 |
| Transplant Outdoors | May 4 | May 4 – May 18 |
| Direct Sow | April 27 | Apr 27 – May 18 |
| Bloom | July 13 | Jul 13 – Oct 26 |
Plant 0.1" deep · 18" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors |
| April | Direct Sow |
| 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
60–80 days
🧪 Soil pH
Needs 5.5–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 5b
📆 Growing Season
179 days in Appanoose County
Growing Tips for Appanoose County
Start seeds indoors 8–10 weeks before last frost or direct sow after last frost. Seeds germinate easily without stratification. Thrives in poor to average, well-drained soil — rich soil promotes foliage over flowers. Drought tolerant once established; overwatering is the most common mistake. Deadhead spent blooms to maintain continuous flowering through the season. Shear plants by one-third in midsummer for a fresh flush of late-season blooms. Year 2+ plants bloom most heavily. Divide every 2–3 years in early spring to rejuvenate crowded clumps.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Coreopsis in Other Locations
Frequently Asked Questions
When should I plant Coreopsis in Appanoose County, IA?
Appanoose County is in Zone 5b with an average last frost of April 20. Plan your Coreopsis planting based on this frost date — see the calendar above for exact timing.
What planting zone is Appanoose County, IA?
Appanoose County, Iowa is in USDA Hardiness Zone 5b. The average last spring frost is April 20 and first fall frost is October 16.
When should I plant Coreopsis in Appanoose County, IA?
In Appanoose County, IA, plant Coreopsis after the last frost (around April 20) and before the first frost (around October 16). Best results when soil holds above 50°F.
What growing zone is Appanoose County, IA for Coreopsis?
Appanoose County sits in USDA Zone 5b. Coreopsis grows reliably in zones 3a through 9b, so it's a good fit here.
Can Coreopsis grow in Appanoose County's climate?
Yes — Coreopsis grows well in Appanoose County's temperate climate. Appanoose County averages a 179-day frost-free season, with last frost around April 20 and first frost around October 16.
Your Appanoose County Garden Planner — Free
A 22-page printable planner built for Appanoose County (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.