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When to Plant Cranberries in Ray County, MO

Cranberries are low-growing, vine-like shrubs that produce tart red berries in fall. They grow in acidic, boggy conditions and are surprisingly easy to cultivate.

Ray County, Missouri is in USDA Zone 6a. The average last spring frost is April 15 and the first fall frost is October 25, giving you a growing season of approximately 193 days.

At an elevation of 747 feet, Ray County receives approximately 32.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 92ยฐF, providing good warmth for Cranberries during the growing season.

Ray County, MO (Zone 6a) Moderate season
193 days
Last Spring Frost April 15
193 growing days
First Fall Frost October 25

Ray County Soil Profile

Soil Type

Silt Loam

Soil pH

5.6-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season
Transplant: Apr 27
Recommended (50%) ✓ Fits season
Transplant: May 6
Safe Start (90%) ✓ Fits season
Transplant: May 20

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
1.5″/week
Rainfall provides
0.7″/week
You supply
0.9″/week
Watering frequency 2-3 times/week
Season total 1,621 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Cranberries needs ~17,338 GDD — county provides 3,667 GDD May not mature

Cranberries Planting Timeline โ€” Ray County, MO

Cranberries Planting Calendar

Activity When Date Range
Transplant Outdoors May 6 May 6 โ€“ May 20

ยท 36" apart ยท Rows 48" 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

Full Sun (6-8+ hours)

Water

High โ€” keep soil consistently moist

Days to Maturity

730โ€“1095 days

Soil pH

4 โ€“ 5.5

USDA Zone

Zone 6a

Growing Season

193 days

Growing Tips for Ray County

Create an acidic, consistently moist bed with peat moss. Cranberries do not need to be flooded to grow; flooding is only used for commercial harvesting. Mulch with sand in early spring.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Cranberries in Ray County, MO?

Ray County is in Zone 6a with an average last frost of April 15. Plan your Cranberries planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Ray County, MO?

Ray County, Missouri is in USDA Hardiness Zone 6a. The average last spring frost is April 15 and first fall frost is October 25.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Ray County gardeners in Zone 6a 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 Ray County, MO. Local conditions may vary. Last updated: April 2026.