Blog

When to Plant Cress in Whitley County, KY

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.

Whitley County, Kentucky is in USDA Zone 6b. The average last spring frost is April 20 and the first fall frost is October 22, giving you a growing season of approximately 185 days.

At an elevation of 1,990 feet, Whitley County receives approximately 44.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86ยฐF, providing good warmth for Cress during the growing season.

Whitley County, KY (Zone 6b) Moderate season
185 days
Last Spring Frost April 20
185 growing days
First Fall Frost October 22

Whitley County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (152 days to spare)
Start indoors: Mar 9 Transplant: Apr 13 🍅 Harvest: Apr 27 – May 18
Recommended (50%) ✓ Fits season (150 days to spare)
Start indoors: Mar 16 Transplant: Apr 20 🍅 Harvest: May 4 – May 25
Safe Start (90%) ✓ Fits season (143 days to spare)
Start indoors: Apr 4 Transplant: May 9 🍅 Harvest: May 23 – Jun 13

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
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Cress needs ~254 GDD — county provides 2,682 GDD Excellent fit

Cress Planting Timeline โ€” Whitley County, KY

Cress Planting Calendar

Activity When Date Range
Start Indoors March 16 Mar 16 โ€“ Mar 30
Transplant Outdoors April 20 Apr 20 โ€“ May 4
Direct Sow April 6 Apr 6 โ€“ Apr 27
Fall Sowing August 13 Aug 13 โ€“ Aug 27
Harvest May 4 May 4 โ€“ May 25

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Start Indoors
April Transplant Outdoors Direct Sow
May Transplant Outdoors Harvest
June โ€”
July โ€”
August Fall Sowing
September โ€”
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 6b

Growing Season

185 days

Growing Tips for Whitley 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 Whitley County, KY?

Whitley County is in Zone 6b with an average last frost of April 20. Plan your Cress planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Whitley County, KY?

Whitley County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 20 and first fall frost is October 22.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Whitley County gardeners in Zone 6b 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 Whitley County, KY. Local conditions may vary. Last updated: April 2026.