Silky Gold Milkweed Butterflies. Asclepias curassavica silky gold golden butterflyweed this is an all yellow form of the typically orange and yellow butterfly weed also known as tropical milkweed a tender evergreen perennial is prized for attracting butterflies particularly the monarch butterfly into the garden. This frost sensitive perennial grows from 24 36 tall.
In addition to the name bloodflower this species is also known as tropical milkweed mexican butterfly weed and bright wings. It tolerates heat resists grazing by rabbits and deer and is incredibly easy to grow. It is native to the american tropics and has a pantropical distribution as an introduced species other common names include bloodflower or blood flower cotton bush hierba de la cucaracha mexican butterfly weed redhead scarlet milkweed and wild ipecacuanha.
The tops will die back with any significant frost but these milkweed plants are potentially root hardy into the teens.
Asclepias curassavica commonly known as tropical milkweed is a flowering plant species of the milkweed genus asclepias. The flowers appear in late spring to late fall on long stems bearing up to 4 inches 10 cm long clusters of golden yellow flowers. It is native to the american tropics and has a pantropical distribution as an introduced species other common names include bloodflower or blood flower cotton bush hierba de la cucaracha mexican butterfly weed redhead scarlet milkweed and wild ipecacuanha. It is called the asclepias curassavica.