New Bethlehem, PA Planting Calendar (What to Plant by Month)

Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in New bethlehem, PA, based on the USDA Hardiness Zone 6a.

New bethlehem, PA Frost Dates & Growing Season

Last Spring Frost Date for New bethlehem, PA

The average last frost date in spring for New bethlehem is May 17th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 31st before moving plants outdoors. Waiting these extra few weeks significantly reduces the risk of a late freeze damaging young transplants.

First Fall Frost Date for New bethlehem, PA

The average first frost date in fall for New bethlehem is October 5th. This date marks the approximate end of the growing season for tender plants. Gardeners should plan to harvest frost-sensitive vegetables or provide heavy protection (such as row covers) before this date to avoid crop loss.

Growing Season Length in New bethlehem, PA

Based on historical frost data, the estimated growing season length in New bethlehem is approximately 141 days. This duration determines which vegetable varieties have enough time to reach maturity before the winter cold sets in. Short-season varieties are recommended for crops that require a longer warm period.

Please note: These dates are climatological averages. Actual weather conditions vary by year. Always check the local 10-day forecast before planting.

New bethlehem, PA Planting Calendar

This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.

Legend: I = Start seed indoors S = Direct sow T = Transplant H = Harvest
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New bethlehem, PA Monthly Planting Recommendations

March

In March, recommended activities include starting Tomato seeds indoors (from March 22nd to April 5th), starting French Lavender seeds indoors (from March 8th to March 22nd), and starting Thyme seeds indoors (from March 22nd to April 5th).

April

In April, recommended activities include starting Moonflower seeds indoors (from April 5th to April 19th), direct sowing Lettuce (from April 19th to May 3rd), and starting Sage seeds indoors (from April 5th to April 19th).

May

In May, recommended activities include direct sowing Gladiolus (from May 17th to May 31st), direct sowing Lemon Balm (from May 17th to May 31st), and direct sowing Hyssop (from May 3rd to May 17th).