Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Olney springs, CO, based on the USDA Hardiness Zone 5b.
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Olney springs, CO Frost Dates & Growing Season
Last Spring Frost Date for Olney springs, CO
The average last frost date in spring for Olney springs is May 3rd. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 17th 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 Olney springs, CO
The average first frost date in fall for Olney springs is October 8th. 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 Olney springs, CO
Based on historical frost data, the estimated growing season length in Olney springs is approximately 158 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.
Olney springs, CO Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Olney springs, CO Monthly Planting Recommendations
February
In February, recommended activities include starting Petunia seeds indoors (from February 22nd to March 8th), starting Snapdragon seeds indoors (from February 22nd to March 8th), and starting French Lavender seeds indoors (from February 22nd to March 8th).
March
In March, recommended activities include starting Brussel Sprout seeds indoors (from March 22nd to April 5th), starting Aubergine seeds indoors (from March 8th to March 22nd), and starting Thyme seeds indoors (from March 8th to March 22nd).
April
In April, recommended activities include direct sowing Lentil (from April 19th to May 3rd), direct sowing Lettuce (from April 5th to April 19th), and direct sowing Arugula (from April 5th to April 19th).
May
In May, recommended activities include direct sowing Fenugreek (from May 3rd to May 17th), direct sowing Sunflower (from May 10th to May 24th), and direct sowing Zucchini (from May 10th to May 24th).