Sue from Oregon writes
Yes, Ferti-Lome Broadleaf Weed Control with Gallery is an excellent pre emergent labeled to treat white clover. Per the product label, for preventing white clover from seed only you would get partial control with a single applications or control by repeat applications when applied at 4.6 to 5.7 lb per 1000 sq ft.
Answer last updated on: 09/10/2019