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When to plant Pole Beans in Baltimore County, MD

For Pole Beans in Baltimore County, the safe spring window opens around April 10 and closes around May 1. Last expected frost is April 3, first fall frost November 6, giving a 217-day growing season.

When to Plant Pole Beans in Baltimore County, MD

Pole beans are climbing varieties of green beans that produce over a much longer season than bush types. They require trellising but yield more per square foot.

Baltimore County, Maryland is in USDA Zone 7b. 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 641 feet, Baltimore County receives approximately 49.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 93°F, providing good warmth for Pole Beans during the growing season.

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

Baltimore County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Pole Beans Planting Timeline — Baltimore County, MD

Pole Beans Planting Calendar

Activity When Date Range
Start Indoors February 13 Feb 13 – Feb 27
Transplant Outdoors April 17 Apr 17 – May 1
Direct Sow April 10 Apr 10 – May 1
Harvest June 12 Jun 12 – Aug 7

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
March
April Transplant Outdoors Direct Sow
May Transplant Outdoors Direct Sow
June Harvest
July Harvest
August Harvest
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

55–70 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 7b

📆 Growing Season

217 days in Baltimore County

Growing Tips for Baltimore County

Provide sturdy 6-8 foot poles, tepees, or trellises. Direct sow after last frost. Pick regularly to encourage continued production. Beans fix nitrogen benefiting following crops.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic
  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Pole Beans in Baltimore County, MD?

Baltimore County is in Zone 7b with an average last frost of April 3. Plan your Pole Beans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Baltimore County, MD?

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

When should I plant Pole Beans in Baltimore County, MD?

In Baltimore County, MD, plant Pole Beans after the last frost (around April 3) and before the first frost (around November 6). Best results when soil holds above 50°F.

What growing zone is Baltimore County, MD for Pole Beans?

Baltimore County sits in USDA Zone 7b. Pole Beans grows reliably in zones 3a through 11b, so it's a good fit here.

Can Pole Beans grow in Baltimore County's climate?

Yes — Pole Beans grows well in Baltimore County's temperate climate. Baltimore County averages a 217-day frost-free season, with last frost around April 3 and first frost around November 6.

🌱

Your Baltimore County Garden Planner — Free

A 22-page printable planner built for Baltimore County (Zone 7b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 County, MD. Local conditions may vary. Last updated: June 2026.

Sources & credits

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