Rolling Hills, WY 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 Rolling hills, WY, based on the USDA Hardiness Zone 5a.

Rolling hills, WY Frost Dates & Growing Season

Last Spring Frost Date for Rolling hills, WY

The average last frost date in spring for Rolling hills is May 21st. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 4th 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 Rolling hills, WY

The average first frost date in fall for Rolling hills is September 20th. 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 Rolling hills, WY

Based on historical frost data, the estimated growing season length in Rolling hills is approximately 122 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.

Rolling hills, WY 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
Generating calendar...

Rolling hills, WY Monthly Planting Recommendations

March

In March, recommended activities include starting Snapdragon seeds indoors (from March 12th to March 26th), starting Impatiens seeds indoors (from March 12th to March 26th), and starting Lavender seeds indoors (from March 12th to March 26th).

April

In April, recommended activities include direct sowing Chervil (from April 23rd to May 7th), direct sowing Lettuce (from April 23rd to May 7th), and direct sowing Potato (from April 23rd to May 7th).

May

In May, recommended activities include direct sowing Cucumber (from May 28th to June 11th), direct sowing Cilantro (from May 7th to June 4th), and direct sowing Lemon Balm (from May 21st to June 4th).

June

In June, recommended activities include direct sowing Melon (from June 4th to June 18th), direct sowing Chia (from June 4th to June 18th), and direct sowing Mung Bean (from June 4th to June 18th).