Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Boulder city, NV, based on the USDA Hardiness Zone 9a.
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Boulder city, NV Frost Dates & Growing Season
Last Spring Frost Date for Boulder city, NV
The average last frost date in spring for Boulder city is February 20th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until March 6th 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 Boulder city, NV
The average first frost date in fall for Boulder city is November 25th. 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 Boulder city, NV
Based on historical frost data, the estimated growing season length in Boulder city is approximately 278 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.
Boulder city, NV Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Boulder city, NV Monthly Planting Recommendations
January
In January, recommended activities include direct sowing Parsley (from January 23rd to February 6th), starting Luffa seeds indoors (from January 9th to January 23rd), and direct sowing Mustard (from January 23rd to February 6th).
February
In February, recommended activities include direct sowing Fenugreek (from February 20th to March 6th), direct sowing Calendula (from February 6th to February 20th), and direct sowing Cosmos (from February 27th to March 6th).
March
In March, recommended activities include direct sowing Corn (from March 6th to March 13th), direct sowing Melon (from March 6th to March 20th), and direct sowing Sesame (from March 6th to March 20th).
December
In December, recommended activities include starting Cabbage seeds indoors (from December 26th to January 9th), starting Petunia seeds indoors (from December 12th to December 26th), and starting Snapdragon seeds indoors (from December 12th to December 26th).