United States Edition

Rue of the mountains

Thamnosma texana

Rue of the mountains is part of the Thamnosma genus and its scientific name is Thamnosma texana.

A low, aromatic plant with a woody base and thin, herbaceous stems up to 1 foot tall. Grows in open and brushy areas in shallow soil over limestone, more common west of the [Texas] Hill Country. Leaves small, narrow, up to 3/4 inch long by 1/16 inch wide, dotted with glands visible under a 10x hand lens. Flowers small, 1/8 to 3/16 inch wide, arranged along the upper half of the stems, appearing from March to June. Fruit a 2 lobed capsule having an inflated appearance and giving rise to the name Dutchman Breeches.

Plant is a larval host of the Black Swallowtail (Papilio polyxenes). 1

Also grows in New Mexico, Arizona, and Colorado 2

Rue of the mountains grows as a perennial and is a herb. Being a perennial plant, it tends to grow best over several years (approx 3 years and greater). Rue of the mountains is known for its forb habit and growing to a height of approximately 20.0 cm (7.8 inches). Expect blooming to occur in mid spring.

United States is believed to be where Rue of the mountains originates from.

This plant info is provided by the myfolia gardener's wiki. All details about Rue of the mountains have been kindly provided by our members.

How to grow Rue of the mountains

  • Partial Sun

  • Medium

Plant in a location that enjoys partial sun and remember to water moderately. The USDA Zones typically associated with Rue of the mountains are Zone 8 and Zone 9.

See our list of companion Plants for Rue of the mountains to see which plants you should plant in close proximity to encourage growth.

Growing Rue of the mountains from seed

Transplanting Rue of the mountains

Common Rue of the mountains problems

These problems, diseases and pests are known to affect Rue of the mountains plants:

Other names for Rue of the mountains

Dutchman’s breeches, Ruda del monte, Texas desert-rue

Thamnosma texana (A. Gray) Torr.

Rue of the mountains care instructions

How long does Rue of the mountains take to grow?

These estimates for how long Rue of the mountains takes to sprout, grow and harvest are from real observations from real gardeners, right around the world. Start logging and journaling your observations to participate!


Popular varieties of Rue of the mountains

View the complete variety list for Rue of the mountains »

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