Atascadero, CA Planting Calendar (What to Plant by Month)

Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Atascadero, CA, based on the USDA Hardiness Zone 9b.

Atascadero, CA Frost Dates & Growing Season

Last Spring Frost Date for Atascadero, CA

The average last frost date in spring for Atascadero is April 5th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until April 19th 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 Atascadero, CA

The average first frost date in fall for Atascadero is November 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 Atascadero, CA

Based on historical frost data, the estimated growing season length in Atascadero is approximately 214 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.

Atascadero, CA Planting Calendar

This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.

Legend: I = Start seed indoors S = Direct sow T = Transplant H = Harvest
Generating calendar...

Atascadero, CA Monthly Planting Recommendations

January

In January, recommended activities include starting Artichoke seeds indoors (from January 25th to February 8th), starting French Lavender seeds indoors (from January 25th to February 8th), and starting Begonia seeds indoors (from January 25th to February 8th).

February

In February, recommended activities include direct sowing Pea (from February 22nd to March 8th), starting Brussel Sprout seeds indoors (from February 22nd to March 8th), and starting Oregano seeds indoors (from February 8th to February 22nd).

March

In March, recommended activities include direct sowing Parsley (from March 8th to March 22nd), direct sowing Mustard (from March 8th to March 22nd), and direct sowing Lettuce (from March 8th to March 22nd).

April

In April, recommended activities include direct sowing Okra (from April 19th to May 3rd), direct sowing Watermelon (from April 19th to May 3rd), and direct sowing Pumpkin (from April 12th to April 26th).