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When to Plant Mulberries in Jefferson County, AL

Mulberries are fast-growing, long-lived trees that produce abundant sweet-tart berries over an extended harvest period. The berries resemble elongated blackberries.

Jefferson County, Alabama is in USDA Zone 7b. The average last spring frost is March 31 and the first fall frost is October 31, giving you a growing season of approximately 214 days.

At an elevation of 408 feet, Jefferson County receives approximately 48 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94Β°F, providing good warmth for Mulberries during the growing season. Clay soil retains moisture well for Mulberries, but amend with compost to improve drainage and prevent root rot.

Jefferson County, AL (Zone 7b) Long season
214 days
Last Spring Frost March 31
214 growing days
First Fall Frost October 31

Jefferson County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.8

Drainage

Well Drained

Monthly Watering Guide for Mulberries

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

Month Mulberries Needs Rainfall You Supplement Action
Jan β€” 4.3" 0" ❄️ Dormant
Feb β€” 4.2" 0" ❄️ Dormant
Mar 4.3" 4.9" 0" βœ… Rainfall sufficient
Apr 4.3" 3.9" 0.4" πŸ’§ Light watering
May 4.3" 4.1" 0.2" πŸ’§ Light watering
Jun 4.3" 4.2" 0.1" πŸ’§ Light watering
Jul 4.3" 4.2" 0.1" πŸ’§ Light watering
Aug 4.3" 4.4" 0" βœ… Rainfall sufficient
Sep 4.3" 3.2" 1.1" πŸ’§ Light watering
Oct 4.3" 3.3" 1" πŸ’§ Light watering
Nov β€” 3.3" 0" ❄️ Dormant
Dec β€” 3.8" 0" ❄️ Dormant

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

Mulberries Planting Timeline β€” Jefferson County, AL

Mulberries Planting Calendar

Activity When Date Range
Transplant Outdoors April 21 Apr 21 – May 5

Β· 120" apart Β· Rows 144" 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

730–1825 days

πŸ§ͺ Soil pH

Needs 5.5–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 7b

πŸ“† Growing Season

214 days in Jefferson County

Growing Tips for Jefferson County

Plant away from driveways and patios as fallen berries stain. Minimal pruning is needed. Harvest by shaking branches over a tarp. Birds love mulberries so plant extra.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Mulberries in Jefferson County, AL?

Jefferson County is in Zone 7b with an average last frost of March 31. Plan your Mulberries planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Jefferson County, AL?

Jefferson County, Alabama is in USDA Hardiness Zone 7b. The average last spring frost is March 31 and first fall frost is October 31.

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Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Jefferson 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 Jefferson County, AL. Local conditions may vary. Last updated: April 2026.