South Fork, 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 South fork, CO, based on the USDA Hardiness Zone 4b.

South fork, CO Frost Dates & Growing Season

Last Spring Frost Date for South fork, CO

The average last frost date in spring for South fork is June 20th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until July 4th 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 South fork, CO

The average first frost date in fall for South fork is September 10th. 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 South fork, CO

Based on historical frost data, the estimated growing season length in South fork is approximately 82 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.

South fork, 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...

South fork, CO Monthly Planting Recommendations

April

In April, recommended activities include starting Cauliflower seeds indoors (from April 25th to May 9th), starting Aubergine seeds indoors (from April 25th to May 9th), and starting Snapdragon seeds indoors (from April 11th to April 25th).

May

In May, recommended activities include direct sowing Arugula (from May 23rd to June 6th), direct sowing Spinach (from May 9th to May 23rd), and direct sowing Chives (from May 23rd to June 6th).

June

In June, recommended activities include direct sowing Cilantro (from June 6th to July 4th), direct sowing Beet (from June 6th to June 20th), and direct sowing Alyssum (from June 6th to June 20th).

July

In July, recommended activities include direct sowing Lima Bean (from July 4th to July 18th) and direct sowing Okra (from July 4th to July 18th).