Vines and undergrowth burst forth to shelter you.

Daily   ✦     Primal, Zone
Minor Action      Close burst 2

Effect: The burst creates a zone that lasts until the end of your next turn. You and your allies have cover while within the zone, and the zone is difficult terrain for your enemies.

Sustain Minor: The zone persists.

Published in Player's Handbook 3, page(s) 124.