The time frame for planting vegetable seeds depends on the first frost date in fall for an area. For each vegetable, find number of days until harvest and calculate backwards from the frost date. Add an additional week to that figure to find the latest date for planting.
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Marie Notnats enjoys learning about new topics and teaching people new skills. She has been writing professionally since 2008. She is a professional horticulturist with a Bachelor of Science degree in horticulture from Brigham Young University. She writes for About.com, Examiner.com, eHow, and assorted gardening blogs.