Rue has been grown in gardens since ancient times. This slightly toxic herb was once used as an insect repellant. The lacy, blue-green foliage and greenish-yellow flowers make it a terrific companion plant for almost anything. It can even be pruned for a formal look.
Ruta graveolens is a host plant for the following butterflies: Black Swallowtail, Giant Swallowtail, Broad-banded Swallowtail, and King Swallowtail.
Wear gloves when handling rue. It can cause rashes on sensitive skin. Deer resistant. Hardy perennial in zones 5-10.
Sowing Ruta graveolens Seeds:
Sow indoors 6-8 weeks before the last frost date. Barely cover the seeds.