American Bladdernut vs Lewis Mock Orange - TreeTime.ca

American Bladdernut vs Lewis Mock Orange

Staphylea trifolia

Philadelphus lewisii

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American Bladdernut
Lewis Mock Orange

American Bladdernut is a fast-growing, ornamental shrub native to eastern North America. It can be grown as a large shrub or trained as a small tree. The small, drooping, white flowers are bell-shaped and grow in clusters. They appear in mid to late spring, attracting various pollinators. Well suited as an understory plant as it prefers shady and partial sun location with moist soils.

The blossoms mature into papery seed capsules and have been described as miniature Japanese lanterns. They are commonly used in dried flower arrangements. The seeds found within the pods are edible, and have a taste similar to pistachios. They can be eaten raw, used in baking or made into a sweet cooking oil.

Care should be taken when planting American Bladdernut, as it can spread quickly. It is prone to suckering and will self-seed. Plant the right tree in the right place.

Lewis Mock Orange is a flowering ornamental shrub that produces an abundance of white, fragrant blooms. The flowers have a sweet scent similar to orange blossoms, with a hint of pineapple. They bloom for several weeks from late spring to early summer, attracting pollinators and other beneficial insects.

Native to North America, Lewis Mock Orange is found from the southernmost portions of Alberta and British Columbia, and south into the northwestern United States. It makes an attractive shrub and can be used in hedgerows, pollinator gardens, and naturalization projects. Blooms occur on the previous year’s wood, so it is recommended to prune after it has finished flowering.

American Bladdernut Quick Facts

Lewis Mock Orange Quick Facts

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Zone: 3a
Zone: 4a
Height: 4 m (12 ft)
Height: 3 m (10 ft)
Spread: 5 m (15 ft)
Spread: 2.4 m (8 ft)
Light: shade, partial shade
Light: partial shade, full sun
Moisture: normal, wet
Moisture: dry, normal
Growth rate: medium
Growth rate: medium
Life span: long
Life span: medium
Growth form: upright to arching, multi-stemmed
Spreading: suckering - medium, seeds - low
Suckering: medium


Flowers: white
Flowers: fragrant, white
Bloom time: mid spring to early summer
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Native to: ON, QC
Native to: AB, BC
Other Names: california mock orange, lewis mockorange, western mock orange, western syringa, wild mock orange