Stonecress

Aethionema

Aethionema cordifolium ( Lebanese Stonecress )
A moderate growing, mounding, shrubby perennial, reaching a maximum size of 10 inches x 1.5 feet, that is native to Lebanon and Turkey to Asia Minor.
The needle-like leaves, up to 0.7 inches in length, are blue-green.
The small, rosy-pink flowers are borne on upright terminal spikes over a long season during late spring into early summer.
Hardy zones 5 to 7 in full sun on light, alkaline to neutral, well drained soil. Propagation is from seed during early spring, division or cuttings taken during summer. Deadhead after blooming.

Aethionema grandiflorum ( Persian Stonecress )
A moderate growing, mounding, long-lived, shrubby perennial, reaching a maximum size of 20 x 32 inches, that is native to mountains of Iran. It makes a great plant for the rock garden.
The finely-textured, needle-like leaves, up to 1.5 inches in length, are grayish-blue.
The soft pale pink flowers are borne during late spring to early autumn.
Hardy zones 4 to 7 in full sun on sandy, well drained soil. Propagation is from seed, division or cuttings. Deadhead after blooming.

'Warley Rose'
A moderate growing, mounding, shrubby perennial, reaching a maximum size of 1 foot x 20 inches.
The foliage is gray-green.
The pink flowers are borne during late spring to early autumn.
Hardy zones 5 to 9 in full sun on well drained soil. Propagation is from seed, division or cuttings. Shear after blooming.

'Warley Ruber'
Rosy-red flowers, otherwise identical to A. 'Warley Rose'.

Aethionema iberideum
A moderate growing, mounding, shrubby perennial, reaching a maximum size of 8 inches x 1 foot, that is native to Turkey.
The foliage is gray-green.
The flowers are white.
Hardy zones 5 to 9 in full sun on well drained soil. Propagation is from seed, division or cuttings. Deadhead after blooming.

Aethionema kotschyi
A semi-evergreen ( evergreen in mild climates ), compact, shrubby, groundcover perennial, reaching a maximum height of 8 inches.
The rich pink flowers are borne during early to mid summer.
Hardy zones 6 to 8 in full sun on well drained soil.

Aethionema membranaceum
A low, cushion-forming perennial, reaching a maximum height of 6 inches.
The foliage is blue-green.
The rich pink flowers are borne during early to mid summer.
Hardy zones 6 to 8 in full sun on well drained soil.

Aethionema schistosum ( Fragrant Persian Stonecress )
A moderate growing, mounding, shrubby perennial, reaching a maximum size of 1 foot x 15 inches, that is native to Turkey.
The linear leaves are bluish-gray.
The very fragrant, soft to deep pink flowers are borne on terminal racemes during early spring.
Hardy zones 4 to 8 in full sun on well drained soil. Drought tolerant. Propagation is from seed, division or cuttings. Deadhead after blooming.