Southern Europe and southwest part of Asia is where you can find the perennial variety of rock soapwort. It is an herb cum creeper variety and grows well in almost all conditions. It is used as a plant for landscaped gardens which need to look green always. It grows to a height of maximum 1 foot and width of around 3 feet. The rock soapwort grows well on rock walls and looks attractive when the flowers bloom. Growing over small areas on the garden wall makes the plant look very attractive and pleasing.
The soil has to be well drained for the rock soapwort to grow to its full form and complete sunlight does not harm it. Not much water is required for it to thrive well as well. The Lepidoptera category of butterfly larvae feed on the soft branches of the rock soapwort and you can make a butterfly garden of your own if you grow these plants in abundance. People do grow them just to see the butterflies grow in their garden.
The commonly found variety has pink flowers and round thick leaves. There are some other varieties like the Alba which has white flowers and the Rubra Compacta which has dark pink flowers. The Saponaria Officinalis is a variety which is taller than the common one and blooms in summer and not spring. The flowers can be white, red and pink. Another two varieties with pink and red flowers are Rosea Plena and Rubra Plena respectively.
The reason why the rock soapwort is called an herb is, when the plant is vigorously rubbed, it produces soap like suds in water. Delicate cloth and materials are cleaned with the roots and leaves of this plant and hence no chemicals will harm the valuable materials. The plant is used in making a good shampoo as well due to its soapy properties. You will be impressed with the soap like qualities of the plant.
Many people use the plant as a decoration to their beautiful blooming garden and it surely does not let down heads for its appearance. Completely maintenance free plant and can keep a garden look absolutely stunning with its little clusters of small and delicate flowers. The colour varieties can act as combinations with the other flowering plants in the garden or yard. A few plants like these would make the garden look more charming and appealing.