Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Mammoth lakes, CA, based on the USDA Hardiness Zone 6a.
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Mammoth lakes, CA Frost Dates & Growing Season
Last Spring Frost Date for Mammoth lakes, CA
The average last frost date in spring for Mammoth lakes is June 25th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until July 9th 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 Mammoth lakes, CA
The average first frost date in fall for Mammoth lakes is September 10th. 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 Mammoth lakes, CA
Based on historical frost data, the estimated growing season length in Mammoth lakes is approximately 77 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.
Mammoth lakes, CA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Mammoth lakes, CA Monthly Planting Recommendations
April
In April, recommended activities include starting Pepper seeds indoors (from April 30th to May 14th), starting Tomato seeds indoors (from April 30th to May 14th), and starting Petunia seeds indoors (from April 16th to April 30th).
May
In May, recommended activities include starting Kale seeds indoors (from May 14th to May 28th), direct sowing Kale (from May 28th to June 11th), starting Basil seeds indoors (from May 14th to May 28th), and direct sowing Lettuce (from May 28th to June 11th).
June
In June, recommended activities include direct sowing Carrot (from June 4th to June 18th), direct sowing Beet (from June 11th to June 25th), and direct sowing German Chamomile (from June 11th to June 25th).
July
In July, recommended activities include direct sowing Cucumber (from July 2nd to July 16th), direct sowing Cosmos (from July 2nd to July 9th), and direct sowing Okra (from July 9th to July 23rd).