Assertion: delphinium | /r/HasProperty | heavy feeders
Facets:
Source sentences:
text: Many advise to use a 16-16-16 kelp and seaweed extract fertilizer because delphiniums are heavy feeders.
text: Delphiniums are top heavy plants and they need staking firmly once they reach a foot in height.
text: They should be fertilized in early spring since they are heavy feeders.
text: They are heavy feeders and should be fertilized in early spring and later in the season.
text: They are also heavy feeders.