Philadelphus lewisii (Lewis' Mock Orange) is a species of shrub in the family hydrangeas. They have a self-supporting growth form. They are native to Western North America, Canada, The Contiguous United States, and United States. They have simple, broad leaves and white flowers. Flowers are visited by Mason bees, Western Tiger Swallowtail, Vanessa itea, and Satyrium saepium. Individuals can grow to 3.7 m.
EOL has data for 88 attributes, including: