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When to Plant Jostaberry in Hamilton County, IN

Jostaberry is a thornless hybrid of black currant and gooseberry, producing medium-sized, dark berries with a complex, tart-sweet flavor. It is vigorous and disease-resistant.

Hamilton County, Indiana is in USDA Zone 5b. The average last spring frost is April 17 and the first fall frost is October 17, giving you a growing season of approximately 183 days.

At an elevation of 747 feet, Hamilton County receives approximately 30.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83ยฐF, so choose short-season varieties of Jostaberry to ensure they mature before fall.

Hamilton County, IN (Zone 5b) Moderate season
183 days
Last Spring Frost April 17
183 growing days
First Fall Frost October 17

Hamilton County Soil Profile

Soil Type

Silt Loam

Soil pH

5.9-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season
Transplant: May 3
Recommended (50%) ✓ Fits season
Transplant: May 8
Safe Start (90%) ✓ Fits season
Transplant: May 29

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
0.7″/week
You supply
0.3″/week
Watering frequency 1-2 times/week
Season total 496 gal / 100 sq ft
Jostaberry needs ~11,178 GDD — county provides 2,241 GDD May not mature

Jostaberry Planting Timeline โ€” Hamilton County, IN

Jostaberry Planting Calendar

Activity When Date Range
Transplant Outdoors May 8 May 8 โ€“ May 22

ยท 48" apart ยท Rows 72" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

730โ€“1095 days

Soil pH

6 โ€“ 6.5

USDA Zone

Zone 5b

Growing Season

183 days

Growing Tips for Hamilton County

Plant in rich, well-drained soil. No special pruning required beyond removing old wood. Self-fertile but yields improve with a second bush. Berries ripen midsummer.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Jostaberry in Hamilton County, IN?

Hamilton County is in Zone 5b with an average last frost of April 17. Plan your Jostaberry planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Hamilton County, IN?

Hamilton County, Indiana is in USDA Hardiness Zone 5b. The average last spring frost is April 17 and first fall frost is October 17.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Hamilton 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 Hamilton County, IN. Local conditions may vary. Last updated: April 2026.