Steamboat Springs, CO 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 Steamboat springs, CO, based on the USDA Hardiness Zone 4b.

Steamboat springs, CO Frost Dates & Growing Season

Last Spring Frost Date for Steamboat springs, CO

The average last frost date in spring for Steamboat springs is June 10th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 24th 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 Steamboat springs, CO

The average first frost date in fall for Steamboat springs is September 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 Steamboat springs, CO

Based on historical frost data, the estimated growing season length in Steamboat springs is approximately 87 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.

Steamboat springs, CO 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...

Steamboat springs, CO Monthly Planting Recommendations

April

In April, recommended activities include starting Pepper seeds indoors (from April 15th to April 29th), starting Coleus seeds indoors (from April 15th to April 29th), and starting Ground Cherry seeds indoors (from April 15th to April 29th).

May

In May, recommended activities include direct sowing Garden Cress (from May 13th to May 27th), starting Cantaloupe seeds indoors (from May 13th to May 27th), and direct sowing Beet (from May 27th to June 10th).

June

In June, recommended activities include direct sowing Cantaloupe (from June 17th to July 1st), direct sowing Zucchini (from June 17th to July 1st), and direct sowing Cosmos (from June 17th to June 24th).