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When to Plant Hyssop in USDA Zone 7a

Zone 7a Zone 7a May

Your May game plan for Zone 7a

Your garden in Zone 7a is working on a schedule, even when you're not. Here's where you should be this May.

Avg. last frost April 15
Avg. first frost October 24
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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.

In Zone 7a, the average last spring frost is around March 25 and the first fall frost is around November 1, giving you a growing season of approximately 221 days.

Zone 7a Long season
221 days
Last Spring Frost March 25
221 growing days
First Fall Frost November 1

Hyssop Planting Timeline — Zone 7a

Where Is USDA Zone 7a?

The map below highlights the states that contain Zone 7a. Click any state to see the Hyssop planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Hyssop Planting Calendar — Zone 7a

Activity When Date Range
Transplant Outdoors April 1 Apr 1 – Apr 15
Harvest June 10 Jun 10 – Aug 12

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

Free Zone 7a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 7a with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

Days to Maturity

70–90 days

Soil pH

6 – 8

Zone Temperature Range

°F to °F average annual minimum

Growing Season

221 days (Zone average)

Planting Specifications

Planting Depth0.5 inches
Plant Spacing8 inches apart
Row Spacing12 inches between rows

Succession Planting Hyssop in Zone

3
successive plantings in Zone 's ~221-day season

Sow every 8 weeks for continuous harvest throughout the season.

Growing Tips for Hyssop in Zone

Zone has a short growing season (~221 days). Start Hyssop indoors early and use season-extension techniques like row covers and cold frames.

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
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Saving Hyssop Seeds

Recommended for Your Garden

🪴
Fabric Grow Bags $10-25

Breathable fabric pots that promote healthy root growth and prevent overwatering.

🏺
Self-Watering Planters $15-40

Built-in reservoir keeps herbs and greens consistently watered with less effort.

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Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

Related Plants

Frequently Asked Questions

When should I plant Hyssop in Zone 7a?

In Zone 7a, plan your Hyssop planting around the average last frost date of March 25. Transplant seedlings around April 1.

Can Hyssop grow in Zone 7a?

Yes, Hyssop can grow well in Zone 7a, hardy in USDA zones 3a through 9b. Zone 7a has a growing season of approximately 221 days, which is sufficient for Hyssop (70-90 days to maturity).

When can I harvest Hyssop in Zone 7a?

In Zone 7a, expect to harvest Hyssop from June 10 – August 12. Hyssop takes 70-90 days from planting to harvest.

What is the last frost date for Zone 7a?

The average last spring frost in Zone 7a is around March 25, and the first fall frost is around November 1. This gives a growing season of approximately 221 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Hyssop?

Good companion plants for Hyssop include Cabbage, Grapes, Lavender. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Your Free Printable Garden Planner

A 24-page printable planner tailored to your zone. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: May 2026.

Sources & credits

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