The best replacement for pre emergent is weed and feed.

The best alternatives to pre emergent are rated as following:
★★★★★  weed and feed
★★★★★  post emergent
★★  overseed

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Speaking about pre emergent, one probably shouldn't forget about fertilizer.

Other search terms related to pre emergent and their ratings are:
★★★★★ fertilizer
You have in mind a companion for pre emergent and it is not yet here? Propose!



Google Trends

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pre emergent
weed and feed
post emergent