The Collaborative International Dictionary
Hart's clover
Hart's clover \Hart's" clo`ver\ (h[aum]rts" kl[=o]`v[~e]r). (Bot.) Melilot or sweet clover. See Melilot.
Wiktionary
hart's clover
n. melilot; sweet clover
Usage examples of "hart's clover".
The tender foliage makes the plant acceptable to horses and other animals, and it is said that deer browse on it, hence its name 'Hart's Clover.