When to plant Feverfew in Jackson County, IA
Plant Feverfew in Jackson County, between April 24 and May 8 — the only viable window. Zone 5a's short season (182 frost-free days) rules out a fall crop.
When to Plant Feverfew in Jackson County, IA
Feverfew is a bushy perennial herb with small daisy-like flowers and aromatic leaves. It has been used traditionally for headache relief and is a cheerful garden plant.
Jackson County, Iowa is in USDA Zone 5a. The average last spring frost is April 17 and the first fall frost is October 16, giving you a growing season of approximately 182 days.
At an elevation of 1,321 feet, Jackson County receives approximately 35.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Feverfew during the growing season.
Jackson County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Feverfew Planting Timeline — Jackson County, IA
Feverfew Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 24 | Apr 24 – May 8 |
| Harvest | July 24 | Jul 24 – Oct 9 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| May | Transplant Outdoors |
| June | — |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Low — drought tolerant
📅 Days to Maturity
90–120 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 5a
📆 Growing Season
182 days in Jackson County
Growing Tips for Jackson County
Start seeds indoors or direct sow on the soil surface. Deadhead regularly to prevent aggressive self-seeding. Divide clumps every 2-3 years to maintain vigor.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Feverfew in Other Locations
Frequently Asked Questions
When should I plant Feverfew in Jackson County, IA?
Jackson County is in Zone 5a with an average last frost of April 17. Plan your Feverfew planting based on this frost date — see the calendar above for exact timing.
What planting zone is Jackson County, IA?
Jackson County, Iowa is in USDA Hardiness Zone 5a. The average last spring frost is April 17 and first fall frost is October 16.
When should I plant Feverfew in Jackson County, IA?
In Jackson County, IA, plant Feverfew after the last frost (around April 17) and before the first frost (around October 16). Best results when soil holds above 50°F.
What growing zone is Jackson County, IA for Feverfew?
Jackson County sits in USDA Zone 5a. Feverfew grows reliably in zones 5a through 9b, so it's a good fit here.
Can Feverfew grow in Jackson County's climate?
Yes — Feverfew grows well in Jackson County's temperate climate. Jackson County averages a 182-day frost-free season, with last frost around April 17 and first frost around October 16.
Your Jackson County Garden Planner — Free
A 22-page printable planner built for Jackson County (Zone 5a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.