Blog

When to plant Hyssop in Chippewa County, MI

Chippewa County sits in cold Zone 5a. Plant Hyssop May 21–June 4 for the single annual harvest; the October 14 first frost closes the window.

When to Plant Hyssop in Chippewa County, MI

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.

Chippewa County, Michigan is in USDA Zone 5a. The average last spring frost is May 14 and the first fall frost is October 14, giving you a growing season of approximately 153 days.

At an elevation of 621 feet, Chippewa County receives approximately 41.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 80°F, so choose short-season varieties of Hyssop to ensure they mature before fall.

Chippewa County, MI (Zone 5a) Moderate season
153 days
Last Spring Frost May 14
153 growing days
First Fall Frost October 14

Chippewa County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Hyssop Planting Timeline — Chippewa County, MI

Hyssop Planting Calendar

Activity When Date Range
Transplant Outdoors May 21 May 21 – Jun 4
Harvest July 30 Jul 30 – Oct 1

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

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Transplant Outdoors
June Transplant Outdoors
July Harvest
August Harvest
September Harvest
October Harvest
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 5a

📆 Growing Season

153 days in Chippewa County

Growing Tips for Chippewa 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 Chippewa County, MI?

Chippewa County is in Zone 5a with an average last frost of May 14. Plan your Hyssop planting based on this frost date — see the calendar above for exact timing.

What planting zone is Chippewa County, MI?

Chippewa County, Michigan is in USDA Hardiness Zone 5a. The average last spring frost is May 14 and first fall frost is October 14.

When should I plant Hyssop in Chippewa County, MI?

In Chippewa County, MI, plant Hyssop after the last frost (around May 14) and before the first frost (around October 14). Best results when soil holds above 50°F.

What growing zone is Chippewa County, MI for Hyssop?

Chippewa County sits in USDA Zone 5a. Hyssop grows reliably in zones 3a through 9b, so it's a good fit here.

Can Hyssop grow in Chippewa County's climate?

Yes — Hyssop grows well in Chippewa County's temperate climate. Chippewa County averages a 153-day frost-free season, with last frost around May 14 and first frost around October 14.

🌱

Your Chippewa County Garden Planner — Free

A 22-page printable planner built for Chippewa County (Zone 5a). 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 Chippewa County, MI. Local conditions may vary. Last updated: June 2026.

Sources & credits

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