Roses
Orchids
Chamomile
Hibiscus
Honeysuckle
Marigold
Chrysanthemum
Basil Flowers
Carrot Flowers
Garlic Flowers
Pansy (this popular garden decoration is a modern hybrid of the Asian medicinal flower Heartsease, which contrary to popular belief was not used to Ease heartache but rather was ingested as a tea to treat symptoms of venereal disease.)
Broccoli
This is not a complete list and is subject to additions.