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When to Plant Catnip in Kerr County, TX

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.

Kerr County, Texas is in USDA Zone 8b. The average last spring frost is March 24 and the first fall frost is November 11, giving you a growing season of approximately 232 days.

At an elevation of 3,907 feet, Kerr County receives approximately 52 inches of rainfall annually with predominantly loam soil. Summer highs average 93°F, providing good warmth for Catnip during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Catnip root diseases.

Kerr County, TX (Zone 8b) Long season
232 days
Last Spring Frost March 24
232 growing days
First Fall Frost November 11

Kerr County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Catnip Planting Timeline — Kerr County, TX

Catnip Planting Calendar

Activity When Date Range
Transplant Outdoors March 31 Mar 31 – Apr 14
Harvest June 2 Jun 2 – Aug 4

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

Month-by-Month Timeline

MonthActivities
January
February
March Transplant Outdoors
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

60–80 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 8b

📆 Growing Season

232 days in Kerr County

Growing Tips for Kerr 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 Kerr County, TX?

Kerr County is in Zone 8b with an average last frost of March 24. Plan your Catnip planting based on this frost date — see the calendar above for exact timing.

What planting zone is Kerr County, TX?

Kerr County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 24 and first fall frost is November 11.

🌱

Your Kerr County Garden Planner — Free

A 22-page printable planner built for Kerr County (Zone 8b). 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 Kerr County, TX. Local conditions may vary. Last updated: July 2026.

Sources & credits

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