Assertion: dahlia | /r/HasProperty | tender tubers
Facets:
Source sentences:
text: Dahlias are tender tubers so they need to be started off under cover in early Spring, then planted out after the frosts.
text: Dahlias are tender, so when growing dahlias from tubers it is a good idea to start them in a greenhouse, then plant them once they are flowering when the frosty weather has passed.
text: Dahlias are tender tubers.