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When to Plant Aronia in Erie County, PA

Aronia (chokeberry) is an extremely hardy native shrub producing astringent dark berries rich in antioxidants. The berries are typically processed into juice, jam, or wine.

Erie County, Pennsylvania is in USDA Zone 5b. The average last spring frost is May 4 and the first fall frost is October 22, giving you a growing season of approximately 171 days.

At an elevation of 236 feet, Erie County receives approximately 47.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83ยฐF, so choose short-season varieties of Aronia to ensure they mature before fall.

Erie County, PA (Zone 5b) Moderate season
171 days
Last Spring Frost May 4
171 growing days
First Fall Frost October 22

Erie County Soil Profile

Soil Type

Silt Loam

Soil pH

5.1-6.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season
Transplant: May 19
Recommended (50%) ✓ Fits season
Transplant: May 25
Safe Start (90%) ✓ Fits season
Transplant: Jun 14

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
Aronia needs ~11,178 GDD — county provides 2,094 GDD May not mature

Aronia Planting Timeline โ€” Erie County, PA

Aronia Planting Calendar

Activity When Date Range
Transplant Outdoors May 25 May 25 โ€“ Jun 8

ยท 48" apart ยท Rows 72" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

730โ€“1095 days

Soil pH

5 โ€“ 7

USDA Zone

Zone 5b

Growing Season

171 days

Growing Tips for Erie County

Plant in full sun for best fruiting. Very adaptable to soil types. Minimal pest and disease problems. Harvest berries in fall when fully black. Suckers can be divided for propagation.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Aronia in Erie County, PA?

Erie County is in Zone 5b with an average last frost of May 4. Plan your Aronia planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Erie County, PA?

Erie County, Pennsylvania is in USDA Hardiness Zone 5b. The average last spring frost is May 4 and first fall frost is October 22.

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Plan Your Garden with Confidence

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