Bitter Vetch

Bitter Vetch (Orobus) - Often pretty plants of the Pea order, flowering usually in spring. They are suitable for the mixed border, for the rock garden, or for naturalising.

Orobus Aurantius - A handsome plant, 18 to 24 inches high, with orange-yellow flowers in early summer. O. tauricus is a nearly-allied species, also with orange flowers. Both require to be well established before they bloom freely.

Orobus Lathyroides - A lovely border plant, 18 to 24 inches high; its bright blue flowers borne in dense racemes; increased freely by seeds, and thrives in ordinary soil.

Spring Bitter Vetch (Orobus Vernus) - One of the most charming of border flowers. From black roots spring healthy tufts of leaves with two or three pairs of shining leaflets; the flower-buds appearing soon afterwards, almost covering the plant with beautiful purple and blue blooms in April. There are varieties of which cyaneus is the most attractive, with its larger flowers and strange intermixture of colors.

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