There are 75 species of Brassica, a member of the Brassicaceae family. Of those two perennials are commonly cultivated – Brassica oleracea and juncea. Brassica oleracea comes in many forms as cabbage, Brussels sprouts, and kale; all can be grown from seed. Brassica juncea is an edible with numerous common names including BROWN, CHINESE MUSTARD, and MUSTARD. It grows from seed as a perennial in Zones 9-11, to nearly two feet tall, and prefers regular watering.

Brassica oleracea 'Flowering white' is an edible plant that can be grown in a container. It is usually grown as an ornamental annual. As an ornamental, we adjusted our data - removing the perennial status, and removing specific butterfly species.

We also have no evidence this plant attracts adult butterflies. If you are growing the primary species, Brassica oleracea, you may attract Anthocharis sara, Pacific Orangetip
Euchloe ausonides, Large Marble, Pieris marginalis, Margined White, or Pieris rapae, Cabbage White to your garden.