How to Grow and Care for Thorow wax

Green Gold (Bupleurum rotundifolium) is a herbaceous hardy annual plant that will grow to 41 cm tall. The blue-green foliage has a round shape and along with its flower cluster looks great in cut flower arrangements. It blooms in summer with clusters of yellow blossoms. It grows best in full sun and well-drained soils. It is easy to germinate and grow from seed.

Shrubby hare's ear is an evergreen shrub that grows well in various locations, but thrives in coastal regions with salty spray, a trait of its native Mediterranean habitat. It is beneficial to bees, butterflies, and other insects. It makes a tall groundcover, a prime selection as a hedge plant, or a windbreaker.

Big-leaf hare's ear is recognized by its sleek, lance-shaped leaves and clusters of small, starry yellow flowers. This herbaceous perennial thrives in well-drained soils, often flourishing in rocky or coastal areas where its deep roots anchor it against harsh winds. The delicate leafy bracts, elongated and radiating around the flower heads, are distinctive, helping big-leaf hare's ear to harness sunlight efficiently in its diverse habitats.

Sickle-leaved hare's ear is a unique bloomer in that it has an extended blooming period, flowering later into the summer than other species of its genus. It is a parsley family member and has flowers similar in appearance to cow parsley. However, sickle-leaved hare's ear's blooms are yellow rather than white.

Crowfoot-leaved hare's-ear (Bupleurum ranunculoides) is a rare but beloved garden ornamental plant that is grown for its delicate golden flowers. This plant is also valued because it is resistant to deer and its flowers bloom for a long period. It is a good rockery plant since this environment is most similar to the Europen alpine conditions in which it thrives.