Roxborough Park, 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 Roxborough park, CO, based on the USDA Hardiness Zone 5b.

Roxborough park, CO Frost Dates & Growing Season

Last Spring Frost Date for Roxborough park, CO

The average last frost date in spring for Roxborough park is May 18th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 1st 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 Roxborough park, CO

The average first frost date in fall for Roxborough park 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 Roxborough park, CO

Based on historical frost data, the estimated growing season length in Roxborough park is approximately 140 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.

Roxborough park, 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...

Roxborough park, CO Monthly Planting Recommendations

March

In March, recommended activities include starting Aubergine seeds indoors (from March 23rd to April 6th), starting Oregano seeds indoors (from March 23rd to April 6th), and starting French Lavender seeds indoors (from March 9th to March 23rd).

April

In April, recommended activities include starting Kale seeds indoors (from April 6th to April 20th), direct sowing Kale (from April 20th to May 4th), starting Cantaloupe seeds indoors (from April 20th to May 4th), and direct sowing Sorrel (from April 20th to May 4th).

May

In May, recommended activities include direct sowing Dill (from May 4th to May 18th), direct sowing Butternut Squash (from May 25th to June 8th), and direct sowing Pumpkin (from May 25th to June 8th).

June

In June, recommended activities include direct sowing Lima Bean (from June 1st to June 15th), direct sowing Sesame (from June 1st to June 15th), and direct sowing Jute (from June 1st to June 15th).