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When to Plant Catnip in Beaufort County, NC

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.

Beaufort County, North Carolina is in USDA Zone 8a. The average last spring frost is March 26 and the first fall frost is November 12, giving you a growing season of approximately 231 days.

At an elevation of 129 feet, Beaufort County receives approximately 44.5 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94ยฐF, providing good warmth for Catnip during the growing season. Clay soil retains moisture well for Catnip, but amend with compost to improve drainage and prevent root rot.

Beaufort County, NC (Zone 8a) Long season
231 days
Last Spring Frost March 26
231 growing days
First Fall Frost November 12

Beaufort County Soil Profile

Soil Type

Clay Loam

Soil pH

5.2-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (101 days to spare)
Transplant: Mar 25 🍅 Harvest: May 27 – Jul 29
Recommended (50%) ✓ Fits season (98 days to spare)
Transplant: Apr 2 🍅 Harvest: Jun 4 – Aug 6
Safe Start (90%) ✓ Fits season (100 days to spare)
Transplant: Apr 16 🍅 Harvest: Jun 18 – Aug 20

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
0.5″/week
Rainfall provides
0.8″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Catnip needs ~1,435 GDD — county provides 4,735 GDD Excellent fit

Catnip Planting Timeline โ€” Beaufort County, NC

Catnip Planting Calendar

Activity When Date Range
Transplant Outdoors April 2 Apr 2 โ€“ Apr 16
Harvest June 4 Jun 4 โ€“ Aug 6

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Low โ€” drought tolerant

Days to Maturity

60โ€“80 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 8a

Growing Season

231 days

Growing Tips for Beaufort 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

Level Up Your Garden

Frequently Asked Questions

When should I plant Catnip in Beaufort County, NC?

Beaufort County is in Zone 8a with an average last frost of March 26. Plan your Catnip planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Beaufort County, NC?

Beaufort County, North Carolina is in USDA Hardiness Zone 8a. The average last spring frost is March 26 and first fall frost is November 12.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Beaufort County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.

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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 Beaufort County, NC. Local conditions may vary. Last updated: April 2026.