Knowledgebase
Last frost date #228150
Asked February 18, 2015, 3:31 PM EST
What is average last frost date for Coulee Dam, WA 99116 to begin transplanting?
Okanogan County Washington
Expert Response
Please see the publication Home Vegetable Gardening in WA State:
http://cru.cahe.wsu.edu/CEPublications/EM057E/EM057E.pdf
It contains first and last frost dates and provides other information related to cool and warm season vegetable crops.