Blog

When to plant Hyssop in Fulton County, KY

In Fulton County, Hyssop is a single-season spring crop — there's no second fall window. Plant April 6–April 20 for an 70–90-day harvest, finishing well before the October 31 first frost.

When to Plant Hyssop in Fulton County, KY

Fulton County, Kentucky Zone 7b August

This month in Fulton County, Kentucky

Welcome to August in Zone 7b. These are the moves that will have the biggest impact on your growing season.

Avg. last frost March 30
Avg. first frost October 31
Soil temp (4") 80°F
Watering Low
Pest pressure High
Daylight 13.4 hrs
  1. Bring in the hyssop

    The more you pick, the more the plant produces. Letting fruit overripen tells the plant it's time to stop.

Instant PDF download. No spam, unsubscribe any time.

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.

Fulton County, Kentucky is in USDA Zone 7b. The average last spring frost is March 30 and the first fall frost is October 31, giving you a growing season of approximately 215 days.

At an elevation of 3,261 feet, Fulton County receives approximately 42.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 92°F, providing good warmth for Hyssop during the growing season.

Fulton County, KY (Zone 7b) Long season
215 days
Last Spring Frost March 30
215 growing days
First Fall Frost October 31

Fulton County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-6.8

Drainage

Well Drained

Monthly Watering Guide for Hyssop

Hyssop needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Hyssop Needs Rainfall You Supplement Action
Jan 3.8" 0" ❄️ Dormant
Feb 2.9" 0" ❄️ Dormant
Mar 4.3" 4.3" 0" ✅ Rainfall sufficient
Apr 4.3" 3.4" 0.9" 💧 Light watering
May 4.3" 3.6" 0.7" 💧 Light watering
Jun 4.3" 3.8" 0.5" 💧 Light watering
Jul 4.3" 4.4" 0" ✅ Rainfall sufficient
Aug 4.3" 4.3" 0" ✅ Rainfall sufficient
Sep 4.3" 3.2" 1.1" 💧 Light watering
Oct 4.3" 2.4" 1.9" 💧 Light watering
Nov 3.3" 0" ❄️ Dormant
Dec 2.9" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Oct in Fulton County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Hyssop Planting Timeline — Fulton County, KY

Hyssop Planting Calendar

Activity When Date Range
Transplant Outdoors April 6 Apr 6 – Apr 20
Harvest June 15 Jun 15 – Aug 17

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

Month-by-Month Timeline

MonthActivities
January
February
March
April Transplant Outdoors
May
June Harvest
July Harvest
August Harvest
September
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 7b

📆 Growing Season

215 days in Fulton County

Growing Tips for Fulton 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 Fulton County, KY?

Fulton County is in Zone 7b with an average last frost of March 30. Plan your Hyssop planting based on this frost date — see the calendar above for exact timing.

What planting zone is Fulton County, KY?

Fulton County, Kentucky is in USDA Hardiness Zone 7b. The average last spring frost is March 30 and first fall frost is October 31.

When should I plant Hyssop in Fulton County, KY?

In Fulton County, KY, plant Hyssop after the last frost (around March 30) and before the first frost (around October 31). Best results when soil holds above 50°F.

What growing zone is Fulton County, KY for Hyssop?

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

Can Hyssop grow in Fulton County's climate?

Yes — Hyssop grows well in Fulton County's temperate climate. Fulton County averages a 215-day frost-free season, with last frost around March 30 and first frost around October 31.

🌱

Your Fulton County Garden Planner — Free

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

Instant PDF download. No spam, unsubscribe any time.

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

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.