St John's Wort

St Johns Wort (Hypericum) - For the most part shrubs and under-shrubs, including a few herbaceous perennials and annuals; these are interesting, though not of high value where effect is sought, and the best kinds do not thrive in the colder lands. The Rose of Sharon (H. calycinum) is probably the most familiar, and there are other shrubby species of some beauty. Some of the perennials are good border and rock garden plants, and the best of these is H. olympicum, one of the largest flowered kinds, though not more than 1 foot high. It is known by its very glaucous foliage and erect single stems, with bright yellow flowers about 2 inches across. It forms handsome specimens that flower early, and its value as a choice border plant can scarcely be over-rated.It may be propagated easily by cuttings, which should be put in when the shoots are fully ripened, so that the young plants may become well established before winter. H. elodes is a pretty native plant suitable for the banks of pools and lakes. H. nummularium and humifusum, both dwarf trailers, are also desirable for the rock garden. Owing to their dwarf compact growth, several of the shrubby species are well suited for the rock garden. Of these, the best are H. agyptiacum, balearicum, empetrifolium, Coris, patulum, uralum, and oblongifolium. The last three are larger than the others, but as they droop they have a good effect among the boulders of a large rock garden, or on banks. H. Moserianum is a handsome hybrid kind raised in France and well worth a place.

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