🌿 Morphology
🌞 Growing conditions
🌍 Origin and family
🌾 Uses
Warning: Despite the care taken in writing this sheet, it is essential to cross-reference sources before using or consuming any plant. When in doubt, consult a qualified professional
Permaculture uses
Rue is used as an insect repellent in the garden, particularly against flea beetles, Japanese beetles, and cabbage butterflies. The leaves can be used in small quantities as a flavoring, though some find it bitter. It has a long history of medicinal use, but caution is advised due to its potential toxicity. Rue is considered useful for attracting swallowtail butterflies. Certain cultivars like 'Blue Beauty' are prized for their ornamental blue-grey foliage.
Permapeople description
Rue (Ruta graveolens) is a perennial herb native to the Balkan Peninsula. It is a small plant, growing to a height of about 30-60 cm (12-24 inches), with blue-green leaves and small, yellow flowers. The leaves have a strong, pungent aroma, and the plant is often used as a natural insect repellent.
In terms of growing conditions, Rue prefers well-drained soil and full sun. It is drought-resistant and can be grown in a variety of climates, though it may not do well in extremely hot or humid conditions. To cultivate Rue successfully, a grower should plant it in a location that receives plenty of sunlight, and ensure that the soil is well-drained.
Rue is not generally considered to be edible, and can cause skin irritation and other negative effects if ingested. However, it has been used medicinally in the past, and is sometimes used as a natural insect repellent or as a source of blue dye. It is also sometimes used in traditional witchcraft.
In terms of its value to wildlife, Rue is a good source of nectar for bees and other pollinators, and its strong aroma may help to repel pests from nearby plants. It is not known to have any significant value as a food source for animals.
Botanical description
Ruta graveolens is a perennial herb with bluish-green, deeply divided leaves. It typically grows to a height of 2-3 feet. The flowers are small, yellow, and arranged in clusters. The plant has a strong, pungent odor. The stems are woody at the base and herbaceous above. It belongs to the Rutaceae family. The fruit is a capsule containing numerous seeds.
Companion planting
Rue is considered a good companion plant for roses, raspberries, and cabbage-family plants, as it repels certain insects. It is believed to deter flea beetles from brassicas. It is best to avoid planting rue near basil, as it may inhibit basil growth.
Propagation methods
Rue can be propagated by seeds, cuttings, or division. Seeds should be sown in spring or fall. Cuttings can be taken in summer. Division of established plants can be done in spring or fall.
History and traditions
Rue has been used medicinally since ancient times. The Romans believed it warded off witchcraft and used it as an antidote to poison. In the Middle Ages, it was used to prevent the plague and as a strewing herb. Rue was also used as a symbol of repentance and sorrow. It was once a common ingredient in culinary dishes, but its use has declined due to its bitterness and potential toxicity.
Usage calendar
Flowering: Summer (June-August). Harvesting leaves: Spring-Summer. Planting: Spring or Fall. Pruning: Spring to maintain shape and encourage bushiness.