Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Basalt, ID, based on the USDA Hardiness Zone 5b.
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Basalt, ID Frost Dates & Growing Season
Last Spring Frost Date for Basalt, ID
The average last frost date in spring for Basalt is May 21st. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 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 Basalt, ID
The average first frost date in fall for Basalt 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 Basalt, ID
Based on historical frost data, the estimated growing season length in Basalt is approximately 122 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.
Basalt, ID Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Basalt, ID Monthly Planting Recommendations
March
In March, recommended activities include starting Thyme seeds indoors (from March 26th to April 9th), starting Celery seeds indoors (from March 12th to March 26th), and starting Statice seeds indoors (from March 26th to April 9th).
April
In April, recommended activities include direct sowing Garden Cress (from April 23rd to May 7th), direct sowing Chervil (from April 23rd to May 7th), and direct sowing Bok Choy (from April 23rd to May 7th).
May
In May, recommended activities include direct sowing Morning Glory (from May 28th to June 11th), direct sowing Cucumber (from May 28th to June 11th), and direct sowing Lemon Balm (from May 21st to June 4th).
June
In June, recommended activities include direct sowing Sesame (from June 4th to June 18th), direct sowing Corn (from June 4th to June 11th), and direct sowing Melon (from June 4th to June 18th).