Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Forest grove, OR, based on the USDA Hardiness Zone 8b.
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Forest grove, OR Frost Dates & Growing Season
Last Spring Frost Date for Forest grove, OR
The average last frost date in spring for Forest grove 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 Forest grove, OR
The average first frost date in fall for Forest grove is November 1st. 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 Forest grove, OR
Based on historical frost data, the estimated growing season length in Forest grove is approximately 200 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.
Forest grove, OR Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Forest grove, OR Monthly Planting Recommendations
February
In February, recommended activities include starting Ground Cherry seeds indoors (from February 18th to March 4th), starting Snapdragon seeds indoors (from February 4th to February 18th), and starting Onion seeds indoors (from February 4th to February 18th).
March
In March, recommended activities include direct sowing Parsley (from March 18th to April 1st), direct sowing Pea (from March 4th to March 18th), and direct sowing Sweet Pea (from March 18th to April 1st).
April
In April, recommended activities include direct sowing Lemon Balm (from April 15th to April 29th), direct sowing Swiss Chard (from April 1st to April 15th), and direct sowing Babys Breath (from April 15th to April 29th).