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The Daily Horizon

Is rue an evergreen?

Author

Isabella Harris

Updated on January 10, 2026

Rue species are evergreen and typically are strongly aromatic. The feathery, pinnately compound leaves usually have two or three leaflets and are often gray-green or blue-green in colour. The yellow flowers, borne in clusters, produce lobed capsules with numerous seeds.

Does rue survive winter?

As stated, Rue thrives in poor soils — try planting in the most troubled area of your herb garden. Though cold-hardy and generally unaffected by cooler weather until the first hard frost, Rue should be mulched in the winter to protect it against bitter temperatures.

Is rue a shrub?

Rue (Ruta graveolens) is an evergreen herb or small shrub with bluish-green leaves. The plant has a clumping habit, growing to 20-30 inches tall. It does best in full to part sun, with at least 6 to 7 hours of sunlight per day, and well-drained soil.

Does rue grow back every year?

Rue is a perennial, coming back every year, but it doesn't tend to be long-lived. However, it will self-seed to produce new plants in the garden.

Are rue plants perennial or annual?

Rue is a 2-3 foot tall and wide shrub-like perennial herb with aromatic evergreen fern-like, leaves. It grows well in full sun, moderately fertile, moist, well-drained soil. It is a hardy plant that is deer resistant and tolerates drought, dry and rocky soil.

What Are Rue Plants Used for?

How tall does rue get?

Normally grows two to three feet tall. Rue is drought-tolerant, so try planting it in troubled, neglected areas in your garden.

Where does rue grow best?

Rue grows best in well-drained soil and will even grow in rocky, dry soil where other plants struggle to survive. Rue requires full sun to grow and is drought tolerant so it rarely needs watered.

Is rue toxic to dogs?

Rue plant is toxic when ingested; it can cause nausea and vomiting in mild cases. Overconsumption can lead to severe health issues and even have fatal results. Rue could cause a skin allergy in some dogs. Rue has a strong bitter taste that is not palatable for dogs.

What does rue attract?

Rue Plants for Butterflies

The rue plant is the Host Plant for three different types of butterflies. The Black Swallowtail, Anise Swallowtail, and the Giant Swallowtail butterflies use this plant (among others) to lay their eggs, so their caterpillars can eat the foliage and grow.

What is a rue hedge?

Rue is a perennial herb or small shrub with a strong odor that blooms tiny, greenish-yellow flowers and is native to Southern Europe. Rue has been used throughout history for a variety of reasons, and today it is still a useful herb to have in your garden. It's hardy in USDA hardiness zones 4 through 10.

Is Meadow Rue evergreen?

Rue is an evergreen shrub with an upright, rounded form and cool, ferny blue-green foliage. Clusters of cup-shaped, four-petaled yellow flowers appear in summer. CareGrow in moderately fertile, very well-drained soil. Thrives in hot, dry sites.

What kind of plant is rue?

rue, (genus Ruta), genus of about 40 species of perennial shrubs and herbs in the family Rutaceae, native to Eurasia and the Canary Islands. Common rue (R. graveolens) is cultivated as a small garden shrub for its evergreen leaves and dull-yellow flower clusters.

How do you prune a rue plant?

Prune stems back to 6 to 8 inches in early spring to shape plant and encourage new growth. Deadhead or remove flowers when they are just developing to prevent foliage from yellowing and fading. Do not prune in late summer or plants may not harden off in time for winter.

Does rue plant repel mosquitoes?

Rue has woody stems and a bushy habit. It thrives in poor soil as long as it has good sun (at least 6 hours a day). It's an excellent insect repellent both in the garden and in the home.

Can rue be grown in containers?

The most important aspect to growing rue is to make sure the soil is well draining. If you don't have much room for a larger herb garden, rue is still a good choice for you because it can thrive in an indoor or outdoor container garden.

Does rue attract butterflies?

The adult butterflies will visit your garden to lay their eggs on the rue. Meadow rue can attract butterflies to eat the nectar of its flowers, but you could argue that any plant with flowers has the potential to do that. Rue is really the more important butterfly-garden plant.

What is the plant rue good for?

Some people use rue for breathing problems including pain and coughing due to swelling around the lungs (pleurisy). Rue is used for other painful conditions including headache, arthritis, cramps, and muscle spasms; and for nervous system problems including nervousness, epilepsy, multiple sclerosis, and Bell's palsy.

Do caterpillars like rue?

Rue is one of our favorite host plants because it is a host for both the Black Swallowtail and the Giant Swallowtail butterfly caterpillars. It also has lovely blue/green foliage year-around and a covering of small yellow flowers in the spring.

Is rue plant poisonous?

Toxicity. Rue is generally safe if consumed in small amounts as an herb to flavor food. Rue extracts are mutagenic and hepatotoxic. Large doses can cause violent gastric pain, vomiting, liver damage, and death.

Why is rue called the herb of grace?

It was a common herb believed to keep away witches, and that folk use evolved into the Catholic Church's practice of dipping branches of rue into Holy water and sprinkling it over the heads of parishioners as a blessing, which earned it a common name for the plant of “herb of grace.”

What does rue plant smell like?

Whether rue's odor is either strong or offensive is open to debate; usually, it's described as “musty.” Ruta is the genus belonging to the family Rutaceae, members of which include aromatic citrus trees as well as gas plant (Dictamnus albus), a lovely white- or pink-flowered perennial.

What does a rue flower look like?

Rue plants have bluish-green, fernlike leaves that are bushy and compact. The flowers on the rue herb are yellow with petals that are frilly on the edges and the center of the flower is normally green. Rue normally grows to a height of 2 to 3 feet (60 to 90 cm.) tall.

Why is my rue plant turning yellow?

If you leave such a plant unattended for a long time, the plant dies. Root rot causes soft and limp leaves which eventually become yellow in color. If you see pooling water under your plant, you can confirm it's overwatering. Tip: If you see a lot of insects near the plant, it is overwatered and not underwatered.

Can you touch rue?

Children are generally more sensitive to furanocoumarins than adults and should never be allowed to touch this plant. Always wear gloves when handling rue! Rue is also poisonous.

Is common rue perennial?

Ruta graveolens, also known as common rue is an evergreen perennial herb that is hardy from USDA zones 5-9 and grows about 2-3 ft tall. It should be mulched heavily for winter in northern areas. Rue grows well even in poor dry soils but needs well drained soil to thrive.