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When to Plant Alpine Strawberries in Baltimore City, MD

Alpine strawberries are small, intensely flavored wild-type strawberries that fruit continuously from spring to frost. They do not produce runners and make excellent edging plants.

Baltimore City, Maryland is in USDA Zone 7a. The average last spring frost is April 3 and the first fall frost is November 6, giving you a growing season of approximately 217 days.

At an elevation of 213 feet, Baltimore City receives approximately 48.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 94ยฐF, providing good warmth for Alpine Strawberries during the growing season.

Baltimore City, MD (Zone 7a) Long season
217 days
Last Spring Frost April 3
217 growing days
First Fall Frost November 6

Baltimore City Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (1 days to spare)
Transplant: Apr 18 🍅 Harvest: Jul 18 – Oct 31
Recommended (50%) ✓ Fits season (0 days to spare)
Transplant: Apr 24 🍅 Harvest: Jul 24 – Nov 6
Safe Start (90%) ✓ Fits season (2 days to spare)
Transplant: May 7 🍅 Harvest: Aug 6 – Nov 19

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
0.9″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Alpine Strawberries needs ~2,768 GDD — county provides 4,448 GDD Excellent fit

Alpine Strawberries Planting Timeline โ€” Baltimore City, MD

Alpine Strawberries Planting Calendar

Activity When Date Range
Transplant Outdoors April 24 Apr 24 โ€“ May 8
Harvest July 24 Jul 24 โ€“ Nov 6

ยท 12" apart ยท Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

90โ€“180 days

Soil pH

5.5 โ€“ 6.8

USDA Zone

Zone 7a

Growing Season

217 days

Growing Tips for Baltimore City

Start seeds indoors 8-10 weeks before transplanting. Unlike regular strawberries, alpines do not spread by runners. Harvest tiny, intensely aromatic berries frequently. Grow well in partial shade.

Companion Planting

Good Companions

Avoid Planting Near

  • Cabbage

Level Up Your Garden

Frequently Asked Questions

When should I plant Alpine Strawberries in Baltimore City, MD?

Baltimore City is in Zone 7a with an average last frost of April 3. Plan your Alpine Strawberries planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Baltimore City, MD?

Baltimore City, Maryland is in USDA Hardiness Zone 7a. The average last spring frost is April 3 and first fall frost is November 6.

๐ŸŒฑ

Plan Your Garden with Confidence

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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 Baltimore City, MD. Local conditions may vary. Last updated: April 2026.