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When to Plant Cress in Orange County, NC

Garden cress is one of the fastest-growing edibles, producing peppery sprouts in as little as two weeks. It is excellent for microgreens and garnishes.

Orange County, North Carolina is in USDA Zone 7b. The average last spring frost is April 2 and the first fall frost is November 3, giving you a growing season of approximately 215 days.

At an elevation of 628 feet, Orange County receives approximately 41.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91ยฐF, providing good warmth for Cress during the growing season. Clay soil retains moisture well for Cress, but amend with compost to improve drainage and prevent root rot.

Orange County, NC (Zone 7b) Long season
215 days
Last Spring Frost April 2
215 growing days
First Fall Frost November 3

Orange County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (183 days to spare)
Start indoors: Feb 17 Transplant: Mar 24 🍅 Harvest: Apr 7 – Apr 28
Recommended (50%) ✓ Fits season (180 days to spare)
Start indoors: Feb 26 Transplant: Apr 2 🍅 Harvest: Apr 16 – May 7
Safe Start (90%) ✓ Fits season (175 days to spare)
Start indoors: Mar 17 Transplant: Apr 21 🍅 Harvest: May 5 – May 26

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
1.0″/week
Rainfall provides
0.8″/week
You supply
0.2″/week
Watering frequency Only during dry spells
Season total 366 gal / 100 sq ft
Cress needs ~319 GDD — county provides 3,923 GDD Excellent fit

Cress Planting Timeline โ€” Orange County, NC

Cress Planting Calendar

Activity When Date Range
Start Indoors February 26 Feb 26 โ€“ Mar 12
Transplant Outdoors April 2 Apr 2 โ€“ Apr 16
Direct Sow March 19 Mar 19 โ€“ Apr 9
Fall Sowing August 25 Aug 25 โ€“ Sep 8
Harvest April 16 Apr 16 โ€“ May 7

Plant 0.5" deep ยท 2" apart ยท Rows 6" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow Harvest
May Harvest
June โ€”
July โ€”
August Fall Sowing
September Fall Sowing
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

14โ€“21 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7b

Growing Season

215 days

Growing Tips for Orange County

Sow seeds thickly on moist soil or paper towels. Keep moist and harvest when 2-3 inches tall. Succession sow every few days for continuous supply. Grows well indoors year-round.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Cress in Orange County, NC?

Orange County is in Zone 7b with an average last frost of April 2. Plan your Cress planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Orange County, NC?

Orange County, North Carolina is in USDA Hardiness Zone 7b. The average last spring frost is April 2 and first fall frost is November 3.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Orange County gardeners in Zone 7b 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 Orange County, NC. Local conditions may vary. Last updated: April 2026.