Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Castella, CA, based on the USDA Hardiness Zone 7b.
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Castella, CA Frost Dates & Growing Season
Last Spring Frost Date for Castella, CA
The average last frost date in spring for Castella is May 28th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 11th 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 Castella, CA
The average first frost date in fall for Castella 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 Castella, CA
Based on historical frost data, the estimated growing season length in Castella is approximately 115 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.
Castella, CA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Castella, CA Monthly Planting Recommendations
March
In March, recommended activities include starting French Lavender seeds indoors (from March 19th to April 2nd), starting Begonia seeds indoors (from March 19th to April 2nd), and starting Geranium seeds indoors (from March 19th to April 2nd).
April
In April, recommended activities include starting Coleus seeds indoors (from April 2nd to April 16th), starting Basil seeds indoors (from April 16th to April 30th), and starting Tomato seeds indoors (from April 2nd to April 16th).
May
In May, recommended activities include direct sowing Gladiolus (from May 28th to June 11th), direct sowing Calendula (from May 14th to May 28th), and direct sowing Hyssop (from May 14th to May 28th).
June
In June, recommended activities include direct sowing Corn (from June 11th to June 18th), direct sowing Sunflower (from June 4th to June 18th), and direct sowing Morning Glory (from June 4th to June 18th).