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When to plant Catnip in Ingham County, MI

In Ingham County, Catnip is a single-season spring crop — there's no second fall window. Plant May 9–May 23 for an 60–80-day harvest, finishing well before the October 13 first frost.

When to Plant Catnip in Ingham County, MI

Catnip is a hardy perennial herb in the mint family known for its effect on cats. It also makes a calming tea and is a useful companion plant that repels some pests.

Ingham County, Michigan is in USDA Zone 6a. The average last spring frost is May 2 and the first fall frost is October 13, giving you a growing season of approximately 164 days.

At an elevation of 554 feet, Ingham County receives approximately 31.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Catnip to ensure they mature before fall.

Ingham County, MI (Zone 6a) Moderate season
164 days
Last Spring Frost May 2
164 growing days
First Fall Frost October 13

Ingham County Soil Profile

Soil Type

Silt Loam

Soil pH

6.1-7

Drainage

Well Drained

Monthly Watering Guide for Catnip

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

Month Catnip Needs Rainfall You Supplement Action
Jan 1.3" 0" ❄️ Dormant
Feb 1.4" 0" ❄️ Dormant
Mar 2.1" 0" ❄️ Dormant
Apr 3.3" 0" ❄️ Dormant
May 4.3" 3.7" 0.6" 💧 Light watering
Jun 4.3" 3.4" 0.9" 💧 Light watering
Jul 4.3" 3.7" 0.6" 💧 Light watering
Aug 4.3" 3.6" 0.7" 💧 Light watering
Sep 4.3" 2.4" 1.9" 💧 Light watering
Oct 4.3" 2.5" 1.8" 💧 Light watering
Nov 2.4" 0" ❄️ Dormant
Dec 1.6" 0" ❄️ Dormant

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

Catnip Planting Timeline — Ingham County, MI

Catnip Planting Calendar

Activity When Date Range
Transplant Outdoors May 9 May 9 – May 23
Harvest July 11 Jul 11 – Sep 12

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

Month-by-Month Timeline

MonthActivities
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

60–80 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

164 days in Ingham County

Growing Tips for Ingham County

Direct sow or start indoors. Catnip is very easy to grow and can become invasive. Harvest leaves before flowering for tea. Protect young plants from cats.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Catnip in Ingham County, MI?

Ingham County is in Zone 6a with an average last frost of May 2. Plan your Catnip planting based on this frost date — see the calendar above for exact timing.

What planting zone is Ingham County, MI?

Ingham County, Michigan is in USDA Hardiness Zone 6a. The average last spring frost is May 2 and first fall frost is October 13.

When should I plant Catnip in Ingham County, MI?

In Ingham County, MI, plant Catnip after the last frost (around May 2) and before the first frost (around October 13). Best results when soil holds above 50°F.

What growing zone is Ingham County, MI for Catnip?

Ingham County sits in USDA Zone 6a. Catnip grows reliably in zones 3a through 9b, so it's a good fit here.

Can Catnip grow in Ingham County's climate?

Yes — Catnip grows well in Ingham County's temperate climate. Ingham County averages a 164-day frost-free season, with last frost around May 2 and first frost around October 13.

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Your Ingham County Garden Planner — Free

A 22-page printable planner built for Ingham 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.

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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 Ingham County, MI. Local conditions may vary. Last updated: June 2026.

Sources & credits

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