This subject may occupy such positions as rockwork, borders of the shrubbery, or beds of "old-fashioned" flowers.
The worm has sunk to the bottom and taken refuge in the mysteries of the rockwork.
I scarcely need add that for more open situations, as rockwork and borders, it is in every way suitable.
A number of hardy species of this are excellent plants for rockwork and edging.
The flowers are few but pretty, and with the dwarf habit render the plant an excellent subject for rockwork.
Where there are old walls or rockwork it should be introduced.
On rockwork, in leaf soil, it does remarkably well; in loam it seems somewhat stunted.
It will grow in borders or beds, but looks nowhere so well as on rockwork.
Indeed, the rockwork may be wholly composed of such cement, especially if it is to have the form of an arch.
They require warm, sunny spots on rockwork, and in cold localities should be grown in a frame.