Mountlake Terrace, WA 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 Mountlake terrace, WA, based on the USDA Hardiness Zone 8b.

Mountlake terrace, WA Frost Dates & Growing Season

Last Spring Frost Date for Mountlake terrace, WA

The average last frost date in spring for Mountlake terrace is April 15th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until April 29th 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 Mountlake terrace, WA

The average first frost date in fall for Mountlake terrace is November 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 Mountlake terrace, WA

Based on historical frost data, the estimated growing season length in Mountlake terrace is approximately 209 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.

Mountlake terrace, WA 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...

Mountlake terrace, WA Monthly Planting Recommendations

February

In February, recommended activities include starting Black Eyed Susan seeds indoors (from February 18th to March 4th), starting Rosemary seeds indoors (from February 4th to February 18th), and starting Leek seeds indoors (from February 4th to February 18th).

March

In March, recommended activities include direct sowing Spinach (from March 4th to March 18th), direct sowing Crimson Clover (from March 18th to April 1st), and direct sowing Sweet Pea (from March 18th to April 1st).

April

In April, recommended activities include direct sowing Lentil (from April 1st to April 15th), direct sowing Cilantro (from April 1st to April 29th), and direct sowing Moss Rose (from April 22nd to May 6th).