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Idaho State Flower
Adopted on March 2, 1931.
The Syringa, (Philadelphus lewisii,) was designated the state flower of Idaho by the legislature on March 2, 1931. It is a branching shrub with clusters of white, fragrant flowers. The blossoms are similar to the mock orange, have four petals, and the flowers grow at the ends of short, leafy branches.
Idaho State Flower: Syringa
How did Philadelphus lewisii get the common name "Syringa," which is the scientific name of lilacs? Who knows. Its other common name is Mock Orange (or Meriweather Lewis's Mock Orange). It doesn't even get that name to itself, because Choisya ternata is also called Mock Orange.
A deciduous shrub that grows fast to 6'. It has fragrant white 2 inch flowers in May-July. It's native to Northwestern US It will survive full sun to part shade. It's garden tolerant, very drought tolerant, but showy when happy. It is similar to the lilac in its brancing and the flowers can be very fragrant.
Identification of the Syringa
Idaho Statutes TITLE 67
Taxonomic Hierarchy of the Syringa
State Floral Emblems
Find images and a brief history of the flowers representing, usually by legislative action, the state symbols of each of the fifty states.
The term floral emblem, which refers to flowers specifically, is primarily used in Australia and Canada. In the United States, the term state flower is more often used.