Assertion: tree peony | /r/HasProperty | cold hardy
Facets:
Source sentences:
text: Itoh peonies are a cross between herbaceous peonies, which die back to the ground in the winter, and tree peonies, which are less cold hardy and grow well in mild conditions.
text: In zones 4-9 tree peonies need no winter protection as they are cold hardy and resilient.
text: In zones 4-9 tree peonies need no winter protection as they are cold hardy and resilient.