When to plant Hyssop in Jay County, IN
Jay County sits in cold Zone 6a. Plant Hyssop May 3–May 17 for the single annual harvest; the October 16 first frost closes the window.
When to Plant Hyssop in Jay County, IN
Hyssop is a semi-evergreen perennial herb with intense blue flower spikes that attract bees and butterflies. It has a minty, slightly bitter flavor used in liqueurs and teas.
Jay County, Indiana is in USDA Zone 6a. The average last spring frost is April 26 and the first fall frost is October 16, giving you a growing season of approximately 173 days.
At an elevation of 1,343 feet, Jay County receives approximately 34.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Hyssop during the growing season.
Jay County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Hyssop Planting Timeline — Jay County, IN
Hyssop Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 3 | May 3 – May 17 |
| Harvest | July 12 | Jul 12 – Sep 13 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| 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
70–90 days
🧪 Soil pH
Needs 6–8 · Your soil: N/A
🗺️ USDA Zone
Zone 6a
📆 Growing Season
173 days in Jay County
Growing Tips for Jay County
Start seeds indoors or direct sow in spring. Prune back in early spring to encourage bushy growth. Hyssop is drought-tolerant once established and thrives in poor soil.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Hyssop in Other Locations
Frequently Asked Questions
When should I plant Hyssop in Jay County, IN?
Jay County is in Zone 6a with an average last frost of April 26. Plan your Hyssop planting based on this frost date — see the calendar above for exact timing.
What planting zone is Jay County, IN?
Jay County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 26 and first fall frost is October 16.
When should I plant Hyssop in Jay County, IN?
In Jay County, IN, plant Hyssop after the last frost (around April 26) and before the first frost (around October 16). Best results when soil holds above 50°F.
What growing zone is Jay County, IN for Hyssop?
Jay County sits in USDA Zone 6a. Hyssop grows reliably in zones 3a through 9b, so it's a good fit here.
Can Hyssop grow in Jay County's climate?
Yes — Hyssop grows well in Jay County's temperate climate. Jay County averages a 173-day frost-free season, with last frost around April 26 and first frost around October 16.
Your Jay County Garden Planner — Free
A 22-page printable planner built for Jay 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.