The No. 3-seed Terps dispatched No. 2-seed Duke in the semifinals on Saturday.
The Terps welcomed fans back to Maryland Stadium earlier for two home matches in April.
The Terps will play 12 games in a conference-only schedule.
All three are ranked among Inside Lacrosse's top 40 recruits in their class.
Phipps, who graduated from this university in 2010, has played in the MLL for nine seasons.
Former Maryland lacrosse attackman Jared Bernhardt announces intent to play football at Ferris State
The Terps' fifth-highest goal scorer of all-time was a star quarterback at Lake Brantley High School in Florida.
Meghan Doherty and Nick Grill have made their decisions.
In six games this past season, Hartshorn led the team in points, assists and draw controls.
Taylor is the first lacrosse player ever to be named a finalist for the award.
“I don’t think anybody has answers right now of which way this is gonna go."