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When to Plant Aronia in Coal County, OK

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.

Coal County, Oklahoma is in USDA Zone 7b. The average last spring frost is March 28 and the first fall frost is November 2, giving you a growing season of approximately 219 days.

At an elevation of 892 feet, Coal County receives approximately 28.5 inches of rainfall annually with predominantly loam soil. Summer highs average 89Β°F, providing good warmth for Aronia during the growing season.

Coal County, OK (Zone 7b) Long season
219 days
Last Spring Frost March 28
219 growing days
First Fall Frost November 2

Coal County Soil Profile

Soil Type

Loam

Soil pH

6.5-7.2

Drainage

Well Drained

Monthly Watering Guide for Aronia

Aronia needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Aronia Needs Rainfall You Supplement Action
Jan β€” 0.7" 0" ❄️ Dormant
Feb β€” 1" 0" ❄️ Dormant
Mar 4.3" 1.6" 2.7" 🚿 Regular watering
Apr 4.3" 2.7" 1.6" πŸ’§ Light watering
May 4.3" 4.2" 0.1" πŸ’§ Light watering
Jun 4.3" 4.8" 0" βœ… Rainfall sufficient
Jul 4.3" 3.7" 0.6" πŸ’§ Light watering
Aug 4.3" 3.6" 0.7" πŸ’§ Light watering
Sep 4.3" 2.8" 1.5" πŸ’§ Light watering
Oct 4.3" 1.9" 2.4" 🚿 Regular watering
Nov 4.3" 1" 3.3" 🚿 Regular watering
Dec β€” 0.7" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Coal County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Aronia Planting Timeline β€” Coal County, OK

Aronia Planting Calendar

Activity When Date Range
Transplant Outdoors April 18 Apr 18 – May 2

Β· 48" apart Β· Rows 72" apart

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

730–1095 days

πŸ§ͺ Soil pH

Needs 5–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 7b

πŸ“† Growing Season

219 days in Coal County

Growing Tips for Coal 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Aronia in Coal County, OK?

Coal County is in Zone 7b with an average last frost of March 28. Plan your Aronia planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Coal County, OK?

Coal County, Oklahoma is in USDA Hardiness Zone 7b. The average last spring frost is March 28 and first fall frost is November 2.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Coal County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Coal County, OK. Local conditions may vary. Last updated: April 2026.