Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Island city, OR, based on the USDA Hardiness Zone 6b.
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Island city, OR Frost Dates & Growing Season
Last Spring Frost Date for Island city, OR
The average last frost date in spring for Island city is May 23rd. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 6th 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 Island city, OR
The average first frost date in fall for Island city is October 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 Island city, OR
Based on historical frost data, the estimated growing season length in Island city is approximately 140 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.
Island city, OR Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Island city, OR Monthly Planting Recommendations
March
In March, recommended activities include starting Lavender seeds indoors (from March 14th to March 28th), starting Cabbage seeds indoors (from March 28th to April 11th), and starting Statice seeds indoors (from March 28th to April 11th).
April
In April, recommended activities include direct sowing Alfalfa (from April 25th to May 9th), starting Sage seeds indoors (from April 11th to April 25th), and direct sowing Sweet Pea (from April 25th to May 9th).
May
In May, recommended activities include direct sowing Carrot (from May 2nd to May 16th), direct sowing Lentil (from May 9th to May 23rd), and direct sowing Runner Bean (from May 30th to June 13th).
June
In June, recommended activities include direct sowing Watermelon (from June 6th to June 20th), direct sowing Black Bean (from June 6th to June 20th), and direct sowing Corn (from June 6th to June 13th).