Plant Data Sheet for Achlys triphylla, Vanilla leaf




Achlys triphylla, Vanilla Leaf


Southern British Colombia, Washington, Oregon from eastern base of Cascades to coast; hardy from USDA zones 7-9

Climate, elevation

Low to mid elevation

Local occurrence (where, how common)

Common and locally abundant

Habitat preferences

Most commonly found in deep undisturbed forest, but may also be found in the open along stream banks



Plant strategy type/successional stage (stress-tolerator, competitor, weedy/colonizer, seral, late successional)

Information not found

Associated species

Excellent companion to Lady Fern (Athyrium filix-femina), and in the understory of Thimbleberry or Salmonberry (Rubus parvifloris or spectabilis) or Western Azalea (Rhododendron occidentale)

May be collected as: (seed, layered, divisions, etc.)

Divisions or seed

Collection restrictions or guidelines

Flowers (late spring: May-June) followed by mahogany-colored seeds in shape of a half moon

Seed germination (needs dormancy breaking?)


Seed life (can be stored, short shelf-life, long shelf-life)


Recommended seed storage conditions


Propagation recommendations (plant seeds, vegetative parts, cuttings, etc.)

Propogate via rhizome  or seed

Soil or medium requirements (inoculum necessary?)

Likes fertile soil that is well drained; acidic and highly organic soil

Installation form (form, potential for successful outcomes, cost)


Recommended planting density


Care requirements after installed (water weekly, water once etc.)


Normal rate of growth or spread; lifespan

Rate unknown, but spreads nicely to cover forest floor in patches



Sources cited



Data compiled by

Maddi Schweitzer on April 20, 2005