When to Plant Feverfew in Tulsa County, OK
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.
Tulsa County, Oklahoma is in USDA Zone 7a. The average last spring frost is April 7 and the first fall frost is October 26, giving you a growing season of approximately 202 days.
At an elevation of 752 feet, Tulsa County receives approximately 28.7 inches of rainfall annually with predominantly loam soil. Summer highs average 90°F, providing good warmth for Feverfew during the growing season.
Tulsa County Soil Profile
Soil Type
Loam
Soil pH
6.8-7.1
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Feverfew Planting Timeline — Tulsa County, OK
Feverfew Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 14 | Apr 14 – Apr 28 |
| Harvest | July 14 | Jul 14 – Sep 29 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| May | — |
| June | — |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Low — drought tolerant
Days to Maturity
90–120 days
Soil pH
6 – 7
USDA Zone
Zone 7a
Growing Season
202 days
Growing Tips for Tulsa 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
Level Up Your Garden
Feverfew in Other Locations
Frequently Asked Questions
When should I plant Feverfew in Tulsa County, OK?
Tulsa County is in Zone 7a with an average last frost of April 7. Plan your Feverfew planting based on this frost date — see the calendar above for exact timing.
What planting zone is Tulsa County, OK?
Tulsa County, Oklahoma is in USDA Hardiness Zone 7a. The average last spring frost is April 7 and first fall frost is October 26.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Tulsa County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.
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