Holiday Open House Queens Botanical Garden, 43-50 Main Street (Dahlia Avenue), Flushing; (718) 886-3800.

Bonsai Exhibition Queens Botanical Garden, 43-50 Main Street, at Dahlia Avenue, Flushing; (718) 886-3800.

Green Thoughts Queens Botanical Garden, 43-50 Main Street at Dahlia Avenue, Flushing; (718) 886-3800.

City Gardens Queens Botanical Garden, 43-50 Main Street at Dahlia Avenue, Flushing; (718) 886-3800.

Holiday Greenery Queens Botanical Garden, 43-50 Main Street at Dahlia Avenue, Flushing; (718) 886-3800.

A Golden Anniversary Queens Botanical Garden, 43-50 Main Street at Dahlia Avenue, Flushing; (718) 886-3800.

Plants and Many Cultures Queens Botanical Garden, 43-50 Main Street (Dahlia Avenue), Flushing; (718) 886-3800.

Rose Care Queens Botanical Garden, 43-50 Main Street, at Dahlia Avenue, Flushing; (718) 886-3800.

Looking Toward Spring Queens Botanical Garden, 43-50 Main Street, at Dahlia Avenue, Flushing; (718) 886-3800.

Growing a Garden Queens Botanical Garden, 43-50 Main Street, at Dahlia Avenue, Flushing; (718) 886-3800.