Manville, 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 Manville, WY, based on the USDA Hardiness Zone 5a.

Manville, WY Frost Dates & Growing Season

Last Spring Frost Date for Manville, WY

The average last frost date in spring for Manville is May 23rd. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 6th 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 Manville, WY

The average first frost date in fall for Manville is September 15th. 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 Manville, WY

Based on historical frost data, the estimated growing season length in Manville is approximately 115 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.

Manville, 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...

Manville, WY Monthly Planting Recommendations

March

In March, recommended activities include starting Cabbage seeds indoors (from March 28th to April 11th), starting Impatiens seeds indoors (from March 14th to March 28th), and starting Oregano seeds indoors (from March 28th to April 11th).

April

In April, recommended activities include direct sowing Spinach (from April 11th to April 25th), starting Cantaloupe seeds indoors (from April 25th to May 9th), and starting Marigold seeds indoors (from April 11th to April 25th).

May

In May, recommended activities include starting Pumpkin seeds indoors (from May 2nd to May 9th), direct sowing Pumpkin (from May 30th to June 13th), direct sowing Hyssop (from May 9th to May 23rd), and direct sowing Cosmos (from May 30th to June 6th).

June

In June, recommended activities include direct sowing Watermelon (from June 6th to June 20th), direct sowing Okra (from June 6th to June 20th), and direct sowing Melon (from June 6th to June 20th).