Fleming, 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 Fleming, CO, based on the USDA Hardiness Zone 5a.

Fleming, CO Frost Dates & Growing Season

Last Spring Frost Date for Fleming, CO

The average last frost date in spring for Fleming is May 5th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 19th 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 Fleming, CO

The average first frost date in fall for Fleming 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 Fleming, CO

Based on historical frost data, the estimated growing season length in Fleming is approximately 153 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.

Fleming, 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...

Fleming, CO Monthly Planting Recommendations

February

In February, recommended activities include starting Begonia seeds indoors (from February 24th to March 10th), starting Celery seeds indoors (from February 24th to March 10th), and starting Geranium seeds indoors (from February 24th to March 10th).

March

In March, recommended activities include starting Aubergine seeds indoors (from March 10th to March 24th), starting Coneflower seeds indoors (from March 10th to March 24th), and starting Tomatillo seeds indoors (from March 10th to March 24th).

April

In April, recommended activities include starting Cantaloupe seeds indoors (from April 7th to April 21st), direct sowing Dill (from April 21st to May 5th), and direct sowing Lettuce (from April 7th to April 21st).

May

In May, recommended activities include direct sowing Anise (from May 12th to May 19th), direct sowing Black Bean (from May 19th to June 2nd), and direct sowing Zucchini (from May 12th to May 26th).