When to Plant Jostaberry in Haskell County, KS
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.
Haskell County, Kansas is in USDA Zone 6a. The average last spring frost is April 18 and the first fall frost is October 18, giving you a growing season of approximately 183 days.
At an elevation of 824 feet, Haskell County receives approximately 24.4 inches of rainfall annually with predominantly loam soil. Summer highs average 85°F, providing good warmth for Jostaberry during the growing season.
Haskell County Soil Profile
Soil Type
Loam
Soil pH
6.4-7.4
Drainage
Well Drained
Plant Planting Risk Windows
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.
Soil Compatibility in Haskell County
How your county's soil matches Jostaberry's growing requirements.
Soil pH
Your soil pH (6.4–7.4) is more alkaline than Jostaberry prefers (6.0–6.5). Add sulfur or peat moss to lower pH.
Soil Texture
The loam soil in Haskell County is excellent for Jostaberry — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is excellent (4.3%) — Jostaberry will thrive.
How to Plant Jostaberry
Plant Water Budget
Water stress score is 8/10 — consider drought-tolerant varieties and mulching
Jostaberry Planting Timeline — Haskell County, KS
Jostaberry Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 9 | May 9 – May 23 |
· 48" apart · Rows 72" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | — |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
1"/week · 1-2 times/week
📅 Days to Maturity
730–1095 days
🧪 Soil pH
Needs 6–6.5 · Your soil: too_alkaline
🗺️ USDA Zone
Zone 6a
📆 Growing Season
183 days in Haskell County
Growing Tips for Jostaberry in Haskell County
Direct sow Jostaberry outdoors after April 18 in Haskell County when soil has warmed and frost danger has passed.
Your 183.0-day growing season in Haskell County is tight for Jostaberry (730.0-1095.0 days to maturity). Start indoors and choose early-maturing varieties.
Haskell County receives only 24" of rain annually. Jostaberry needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.
General growing tips
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
Jostaberry in Other Locations
Frequently Asked Questions
When should I plant Jostaberry in Haskell County, KS?
Haskell County is in Zone 6a with an average last frost of April 18. Plan your Jostaberry planting based on this frost date — see the calendar above for exact timing.
What planting zone is Haskell County, KS?
Haskell County, Kansas is in USDA Hardiness Zone 6a. The average last spring frost is April 18 and first fall frost is October 18.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Haskell County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.
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