Assertion: canna | /r/CapableOf | grow in wet conditions
Facets:
value: because of their tropical nature
type: CAUSE
Source sentences:
text: At this point, an optional groundcover of mulch, 1- to 2-inches-wide (2.54 to 5.08 cm), can help the soil retain the majority of its moisture, as cannas grow best in wet conditions because of their tropical nature.