When to plant Grapes in Stevens County, KS
In Stevens County, Grapes is a single-season spring crop — there's no second fall window. Plant May 11–May 25 for an 730–1095-day harvest, finishing well before the October 16 first frost.
When to Plant Grapes in Stevens County, KS
Your June game plan for Stevens County, Kansas
Your garden in Stevens County, Kansas is working on a schedule, even when you're not. Here's where you should be this June.
Grapes are vigorous climbing vines producing clusters of sweet or wine-quality fruits. They require training on a trellis or arbor and annual pruning for best production.
Stevens County, Kansas is in USDA Zone 6b. The average last spring frost is April 20 and the first fall frost is October 16, giving you a growing season of approximately 179 days.
At an elevation of 1,123 feet, Stevens County receives approximately 31.9 inches of rainfall annually with predominantly loam soil. Summer highs average 86°F, providing good warmth for Grapes during the growing season.
Stevens County Soil Profile
Soil Type
Loam
Soil pH
6.5-7.8
Drainage
Well Drained
Grapes 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 Stevens County
How your county's soil matches Grapes's growing requirements.
Soil pH
Your soil pH (6.5–7.8) is more alkaline than Grapes prefers (5.5–7.0). Add sulfur or peat moss to lower pH.
Soil Texture
The loam soil in Stevens County is excellent for Grapes — good drainage, moisture retention, and nutrient holding capacity.
Drainage
Drainage is adequate for Grapes.
Organic Matter
Organic matter is moderate (3.9%). Annual compost additions will help Grapes.
How to Plant Grapes
Grapes Water Budget
Water stress score is 8/10 — consider drought-tolerant varieties and mulching
Monthly Watering Guide for Grapes
Grapes needs approximately 0.7 inches of water per week (3" per month). Here's how your county's rainfall compares month by month.
| Month | Grapes Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 2.4" | 0" | ❄️ Dormant |
| Feb | — | 1.7" | 0" | ❄️ Dormant |
| Mar | — | 2.9" | 0" | ❄️ Dormant |
| Apr | 3" | 3.1" | 0" | ✅ Rainfall sufficient |
| May | 3" | 3.9" | 0" | ✅ Rainfall sufficient |
| Jun | 3" | 2.5" | 0.5" | 💧 Light watering |
| Jul | 3" | 2.7" | 0.3" | 💧 Light watering |
| Aug | 3" | 3" | 0" | ✅ Rainfall sufficient |
| Sep | 3" | 2.5" | 0.5" | 💧 Light watering |
| Oct | 3" | 2.8" | 0.2" | 💧 Light watering |
| Nov | — | 2.4" | 0" | ❄️ Dormant |
| Dec | — | 1.9" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Apr–Oct in Stevens County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Grapes Heat Requirements (GDD)
What are Growing Degree Days (GDD)?
Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.
Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.
Grapes Planting Timeline — Stevens County, KS
Grapes Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 11 | May 11 – May 25 |
· 72" apart · Rows 96" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | — |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
0.7"/week · Only during dry spells
📅 Days to Maturity
730–1095 days
🧪 Soil pH
Needs 5.5–7 · Your soil: too_alkaline
🗺️ USDA Zone
Zone 6b
📆 Growing Season
179 days in Stevens County
Growing Tips for Grapes in Stevens County
Direct sow Grapes outdoors after April 20 in Stevens County when soil has warmed and frost danger has passed.
Your 179.0-day growing season in Stevens County is tight for Grapes (730.0-1095.0 days to maturity). Start indoors and choose early-maturing varieties.
General growing tips
Provide a strong trellis system. Prune heavily in late winter while dormant. Thin fruit clusters for larger berries. Good air circulation prevents fungal diseases.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Grapes in Other Locations
Frequently Asked Questions
When should I plant Grapes in Stevens County, KS?
Stevens County is in Zone 6b with an average last frost of April 20. Plan your Grapes planting based on this frost date — see the calendar above for exact timing.
What planting zone is Stevens County, KS?
Stevens County, Kansas is in USDA Hardiness Zone 6b. The average last spring frost is April 20 and first fall frost is October 16.
When should I plant Grapes in Stevens County, KS?
In Stevens County, KS, plant Grapes after the last frost (around April 20) and before the first frost (around October 16). Best results when soil holds above 50°F.
What growing zone is Stevens County, KS for Grapes?
Stevens County sits in USDA Zone 6b. Grapes grows reliably in zones 4a through 10b, so it's a good fit here.
Can Grapes grow in Stevens County's climate?
Yes — Grapes grows well in Stevens County's temperate climate. Stevens County averages a 179-day frost-free season, with last frost around April 20 and first frost around October 16.
Your Stevens County Garden Planner — Free
A 22-page printable planner built for Stevens County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.