Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Cottonwood, ID, based on the USDA Hardiness Zone 6b.
On this page:
Cottonwood, ID Frost Dates & Growing Season
Last Spring Frost Date for Cottonwood, ID
The average last frost date in spring for Cottonwood is May 24th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 7th 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 Cottonwood, ID
The average first frost date in fall for Cottonwood 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 Cottonwood, ID
Based on historical frost data, the estimated growing season length in Cottonwood is approximately 134 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.
Cottonwood, ID Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Cottonwood, ID Monthly Planting Recommendations
March
In March, recommended activities include starting Coleus seeds indoors (from March 29th to April 12th), starting Thyme seeds indoors (from March 29th to April 12th), and starting Lavender seeds indoors (from March 15th to March 29th).
April
In April, recommended activities include direct sowing California Poppy (from April 26th to May 10th), direct sowing Poppy (from April 26th to May 10th), and direct sowing Potato (from April 26th to May 10th).
May
In May, recommended activities include direct sowing Cantaloupe (from May 31st to June 14th), direct sowing Dill (from May 10th to May 24th), and direct sowing Lentil (from May 10th to May 24th).
June
In June, recommended activities include direct sowing Butterfly Pea (from June 7th to June 21st), direct sowing Melon (from June 7th to June 21st), and direct sowing Watermelon (from June 7th to June 21st).