Synonyms for Double gold:

n.

double gold (noun)
hortensia, golden glow, Rudbeckia Laciniata Hortensia.
plant (noun)
hortensia, golden glow, Rudbeckia Laciniata Hortensia.

Other synonyms:

Rudbeckia laciniata hortensia
Rudbeckia Laciniata Hortensia.