Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Mountain view, CO, based on the USDA Hardiness Zone 6a.
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Mountain view, CO Frost Dates & Growing Season
Last Spring Frost Date for Mountain view, CO
The average last frost date in spring for Mountain view is May 10th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 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 Mountain view, CO
The average first frost date in fall for Mountain view is October 7th. 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 Mountain view, CO
Based on historical frost data, the estimated growing season length in Mountain view is approximately 150 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.
Mountain view, CO Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Mountain view, CO Monthly Planting Recommendations
March
In March, recommended activities include starting Geranium seeds indoors (from March 1st to March 15th), starting Impatiens seeds indoors (from March 1st to March 15th), and starting Onion seeds indoors (from March 1st to March 15th).
April
In April, recommended activities include direct sowing Lentil (from April 26th to May 10th), direct sowing Alfalfa (from April 12th to April 26th), and direct sowing Lettuce (from April 12th to April 26th).
May
In May, recommended activities include direct sowing Fenugreek (from May 10th to May 24th), direct sowing Lemon Balm (from May 10th to May 24th), and direct sowing Pumpkin (from May 17th to May 31st).