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When to Plant Endive in Elk County, PA

Endive is a leafy green with a slightly bitter flavor, available in curly (frisee) and broad-leaved (escarole) types. It adds texture and complexity to salads.

Elk County, Pennsylvania is in USDA Zone 5a. The average last spring frost is May 17 and the first fall frost is October 9, giving you a growing season of approximately 145 days.

At an elevation of 59 feet, Elk County receives approximately 40.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85ยฐF, providing good warmth for Endive during the growing season.

Elk County, PA (Zone 5a) Short season
145 days
Last Spring Frost May 17
145 growing days
First Fall Frost October 9

Elk County Soil Profile

Soil Type

Silt Loam

Soil pH

4.8-6.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (61 days to spare)
Start indoors: Apr 4 Transplant: May 9 🍅 Harvest: Jun 27 – Aug 1
Recommended (50%) ✓ Fits season (61 days to spare)
Start indoors: Apr 12 Transplant: May 17 🍅 Harvest: Jul 5 – Aug 9
Safe Start (90%) ✓ Fits season (62 days to spare)
Start indoors: Apr 27 Transplant: Jun 1 🍅 Harvest: Jul 20 – Aug 24

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
1.2″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Endive needs ~756 GDD — county provides 1,993 GDD Excellent fit

Endive Planting Timeline โ€” Elk County, PA

Endive Planting Calendar

Activity When Date Range
Start Indoors April 12 Apr 12 โ€“ Apr 26
Transplant Outdoors May 17 May 17 โ€“ May 31
Direct Sow May 3 May 3 โ€“ May 24
Fall Sowing July 31 Jul 31 โ€“ Aug 14
Harvest July 5 Jul 5 โ€“ Aug 9

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

45โ€“65 days

Soil pH

5.5 โ€“ 7

USDA Zone

Zone 5a

Growing Season

145 days

Growing Tips for Elk County

Sow seeds directly in spring or fall. Blanch heads by tying outer leaves together 2-3 weeks before harvest to reduce bitterness. Keep soil evenly moist.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Level Up Your Garden

Frequently Asked Questions

When should I plant Endive in Elk County, PA?

Elk County is in Zone 5a with an average last frost of May 17. Plan your Endive planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Elk County, PA?

Elk County, Pennsylvania is in USDA Hardiness Zone 5a. The average last spring frost is May 17 and first fall frost is October 9.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Elk County gardeners in Zone 5a 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 Elk County, PA. Local conditions may vary. Last updated: April 2026.