Green Mountain Falls, 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 Green mountain falls, CO, based on the USDA Hardiness Zone 5b.

Green mountain falls, CO Frost Dates & Growing Season

Last Spring Frost Date for Green mountain falls, CO

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

The average first frost date in fall for Green mountain falls is September 20th. 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 Green mountain falls, CO

Based on historical frost data, the estimated growing season length in Green mountain falls is approximately 107 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.

Green mountain falls, 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...

Green mountain falls, CO Monthly Planting Recommendations

March

In March, recommended activities include starting Snapdragon seeds indoors (from March 27th to April 10th), starting Pansy seeds indoors (from March 27th to April 10th), and starting Lavender seeds indoors (from March 27th to April 10th).

April

In April, recommended activities include starting Broccoli seeds indoors (from April 10th to April 24th), starting Basil seeds indoors (from April 24th to May 8th), and starting Brussel Sprout seeds indoors (from April 24th to May 8th).

May

In May, recommended activities include direct sowing Radish (from May 8th to May 22nd), direct sowing Alfalfa (from May 8th to May 22nd), and direct sowing Parsley (from May 8th to May 22nd).

June

In June, recommended activities include direct sowing Cantaloupe (from June 12th to June 26th), direct sowing Lima Bean (from June 19th to July 3rd), and direct sowing Cosmos (from June 12th to June 19th).