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When to plant Hyssop in Floyd County, KY

Plant Hyssop in Floyd County, between April 28 and May 12 — the only viable window. Zone 7a's short season (183 frost-free days) rules out a fall crop.

When to Plant Hyssop in Floyd County, KY

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.

Floyd County, Kentucky is in USDA Zone 7a. The average last spring frost is April 21 and the first fall frost is October 21, giving you a growing season of approximately 183 days.

At an elevation of 2,218 feet, Floyd County receives approximately 52 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°F, providing good warmth for Hyssop during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Hyssop root diseases.

Floyd County, KY (Zone 7a) Moderate season
183 days
Last Spring Frost April 21
183 growing days
First Fall Frost October 21

Floyd County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Hyssop Planting Timeline — Floyd County, KY

Hyssop Planting Calendar

Activity When Date Range
Transplant Outdoors April 28 Apr 28 – May 12
Harvest July 7 Jul 7 – Sep 8

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April Transplant Outdoors
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 7a

📆 Growing Season

183 days in Floyd County

Growing Tips for Floyd 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

  • Radish

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Hyssop in Floyd County, KY?

Floyd County is in Zone 7a with an average last frost of April 21. Plan your Hyssop planting based on this frost date — see the calendar above for exact timing.

What planting zone is Floyd County, KY?

Floyd County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 21 and first fall frost is October 21.

When should I plant Hyssop in Floyd County, KY?

In Floyd County, KY, plant Hyssop after the last frost (around April 21) and before the first frost (around October 21). Best results when soil holds above 50°F.

What growing zone is Floyd County, KY for Hyssop?

Floyd County sits in USDA Zone 7a. Hyssop grows reliably in zones 3a through 9b, so it's a good fit here.

Can Hyssop grow in Floyd County's climate?

Yes — Hyssop grows well in Floyd County's temperate climate. Floyd County averages a 183-day frost-free season, with last frost around April 21 and first frost around October 21.

🌱

Your Floyd County Garden Planner — Free

A 22-page printable planner built for Floyd County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Floyd County, KY. Local conditions may vary. Last updated: June 2026.

Sources & credits

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