winterize
verb (used with object)
to prepare (an automobile, house, etc.) for cold weather by (in automobiles) adding antifreeze and changing oil or (in houses) adding insulation, heating units, etc.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Then in about late October or November, apply fertilizer with winterizer.
From Washington Post ● Oct. 1, 2018