Assertion: perennial peony | /r/HasAspect | different pruning
Facets:
Source sentences:
text: Both the perennial peony (Paeonia japonica), which grows in U.S. Department of Agriculture plant hardiness zones 5 through 8, and the tree peony (Paeonia suffruticosa), for USDA zones 4 through 8, have medium-level maintenance needs and different pruning or cutting-back requirements.