2 to 4 feet
Russian Globe Thistles (E. exaltatus) can grow 5 to 6 feet tall.
1.5 to 3 feet
- late summer
- early fall
The flowers are a steely purple-blue.
Leaves are a deep, shiny green, lobed, and covered with prickly hairs. Margins are roughly toothed. Closely resemble thistle leaves.
Shape in flower:
flower stalks with flowers as globes
Spherical flowerheads rise above the foliage on thick, tough stems.