Saponaria

Saponaria

Saponaria Bressingham
A prostrate, spreading perennial, reaching a maximum size of 3 inches x 1 foot.
It makes a great plant for the rock garden.
The foliage is mid-green.
The abundant, tiny, pink flowers are borne early summer to early autumn.
Hardy zones 3 to 8 in full sun to partial shade on humus-rich, sandy, well drained soil.

Saponaria lempergii ( Giant Flowered Soapwort )
Very vigorous, prostrate, spreading perennial, reaching up to 6 inches x 2 feet.
The leaves, up to 0.5 inches in length, are blue-green.
The very profuse, clear-pink flowers, up to 1 inch across, are borne in large clusters during mid-summer.
Hardy zones 3 to 7 in full sun to partial shade on humus rich, well drained soil. Easy to grow. Deer resistant.

Max Frei
A cushion-like perennial, reaching a maximum size of 1.5 x 2 ( rarely over 1 ) foot.
The large, pale rose-pink flowers are borne early to mid summer.
Hardy zones 5 to 7 in full sun. Drought tolerant.

Saponaria ocymoides ( Soapwort )
Very fast growing, deeply taprooted, long lived, low prostrate perennial, reaching a maximum size of 1 x 3.5 feet ( rarely over 6 inches in height ). It looks great cascading over a wall or large boulders.
The leaves, up to 0.5 inches in length, are bright green.
The very profuse, bright pink flowers, up to 0.5 inches wide, are borne during late spring.
Hardy zones 3 to 8 in full sun to partial shade on humus-rich, light, well drained soil. Clay tolerant, moderately drought tolerant and deer resistant. It does not enjoy hot humid summers or wet soil. Prune hard after flowering to force new shoots.

Alba
Same with pure white flowers.

Rubra Compacta
Forms a compact, low, creeping mat with very abundant, rich red flowers.

Snow Tip
Reaches a maximum size of 10 inches x 2.5 feet, with deep green foliage contrasting with very small, pure white flowers.

Saponaria officinalis ( Bouncing Bet )
A fast growing, upright, clumping perennial, reaching a maximum size of 3.5 x 3.5 feet, that is native to much of Europe. It spreads by underground rhizomes to form significant colonies in just a few years.
The lance-shaped to oval leaves, up to 4 x 2 inches, are gray-green to green.
The sweetly-fragrant, pink or white flowers, up to 1.6 inches across, are borne on clusters all summer long.
The flowers attract butterflies.
Hardy zones 2 to 8 in full sun to partial shade.
Easy to grow and tolerant of heat and humidity. It may be a good idea to confine it or its creeping rhizomes will spread energetically. Shear during late spring for more compact habit. Propagation is from division during autumn or early spring.

* USDA-NRCS PLANTS Database

Alba Plena
Reaches a maximum height of 3.5 feet, with double, white flowers borne during early to mid summer.

Rosea Plena
A seedless clone, reaching a maximum height of 3.5 feet, bearing very fragrant, double pink flowers all summer long.

Saponaria x olivana
A low, spreading perennial, reaching a maximum size of 4 x 16 inches, that is the hybrid between Saponaria caespitosa & S. pumilio.
The green foliage forms a low cushion.
The abundant, large pink flowers are borne on short stalks.
Hardy zones 3 to 8 in full sun to partial shade.