These seeds were collected from Cytisus scoparius, also known as Broom, Scotch broom, and Common Broom. This plant likes to live in the full sun where it grows to about 10 feet tall. The gold, orange, and yellow flowers are wonderfully fragrant and on display from late spring until early summer. This is a very good plant to have for bees and butterflies. It is a larval host for the green hairstreak butterfly. USDA Hardiness Zones 5 to 8.