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When to Plant Blueberries in Prince George's County, MD

Blueberries are long-lived shrubs producing sweet, antioxidant-rich berries. They require acidic soil and are attractive ornamental plants with fall color and spring flowers.

Prince George's County, Maryland is in USDA Zone 7a. The average last spring frost is April 1 and the first fall frost is November 10, giving you a growing season of approximately 223 days.

At an elevation of 322 feet, Prince George's County receives approximately 39.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Blueberries during the growing season.

Prince George's County, MD (Zone 7a) Long season
223 days
Last Spring Frost April 1
223 growing days
First Fall Frost November 10

Prince George's County Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-6.9

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season
Transplant: Apr 16
Recommended (50%) ✓ Fits season
Transplant: Apr 22
Safe Start (90%) ✓ Fits season
Transplant: May 8

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
1.0″/week
Rainfall provides
0.7″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Blueberries needs ~15,969 GDD — county provides 3,902 GDD May not mature

Blueberries Planting Timeline — Prince George's County, MD

Blueberries Planting Calendar

Activity When Date Range
Transplant Outdoors April 22 Apr 22 – May 6

· 48" apart · Rows 72" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate — regular watering

Days to Maturity

730–1095 days

Soil pH

4.5 – 5.5

USDA Zone

Zone 7a

Growing Season

223 days

Growing Tips for Prince George's County

Plant at least two varieties for cross-pollination. Acidify soil with sulfur or pine needle mulch to maintain pH 4.5-5.5. Protect ripening berries from birds with netting.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Blueberries in Prince George's County, MD?

Prince George's County is in Zone 7a with an average last frost of April 1. Plan your Blueberries planting based on this frost date — see the calendar above for exact timing.

What planting zone is Prince George's County, MD?

Prince George's County, Maryland is in USDA Hardiness Zone 7a. The average last spring frost is April 1 and first fall frost is November 10.

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Plan Your Garden with Confidence

Get our free Garden Planner — designed to help Prince George's County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.

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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 Prince George's County, MD. Local conditions may vary. Last updated: April 2026.