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When to Plant Catnip in Orange 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.

Orange County, Texas is in USDA Zone 9a. The average last spring frost is February 12 and the first fall frost is December 11, giving you a growing season of approximately 302 days.

At an elevation of 231 feet, Orange County receives approximately 63.4 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 98Β°F, so Catnip may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring β€” great for early planting β€” but Catnip will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Catnip root diseases.

Orange County, TX (Zone 9a) Year-round
302 days
Last Spring Frost February 12
302 growing days
First Fall Frost December 11

Orange County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.8-6.5

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 β€” 1.8" 0" ❄️ Dormant
Feb 4.3" 2.1" 2.2" 🚿 Regular watering
Mar 4.3" 4.2" 0.1" πŸ’§ Light watering
Apr 4.3" 6.3" 0" βœ… Rainfall sufficient
May 4.3" 8.3" 0" βœ… Rainfall sufficient
Jun 4.3" 11.1" 0" βœ… Rainfall sufficient
Jul 4.3" 7.6" 0" βœ… Rainfall sufficient
Aug 4.3" 7.5" 0" βœ… Rainfall sufficient
Sep 4.3" 6.4" 0" βœ… Rainfall sufficient
Oct 4.3" 4.5" 0" βœ… Rainfall sufficient
Nov 4.3" 2.1" 2.2" 🚿 Regular watering
Dec 4.3" 1.6" 2.7" 🚿 Regular watering

Water needs are for active growing months only (Feb–Dec in Orange County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Catnip Planting Timeline β€” Orange County, TX

Catnip Planting Calendar

Activity When Date Range
Transplant Outdoors February 19 Feb 19 – Mar 5
Harvest April 23 Apr 23 – Jun 25

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

Month-by-Month Timeline

MonthActivities
January β€”
February Transplant Outdoors
March Transplant Outdoors
April Harvest
May Harvest
June Harvest
July β€”
August β€”
September β€”
October β€”
November β€”
December β€”

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Low β€” drought tolerant

πŸ“… Days to Maturity

60–80 days

πŸ§ͺ Soil pH

Needs 6–7.5 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 9a

πŸ“† Growing Season

302 days in Orange County

Growing Tips for Orange 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 Orange County, TX?

Orange County is in Zone 9a with an average last frost of February 12. Plan your Catnip planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Orange County, TX?

Orange County, Texas is in USDA Hardiness Zone 9a. The average last spring frost is February 12 and first fall frost is December 11.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Orange County gardeners in Zone 9a organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

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