Common Caragana vs American Bladdernut - TreeTime.ca

Common Caragana vs American Bladdernut

Staphylea trifolia

Caragana arborescens

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American Bladdernut
Common Caragana

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.

Common Caragana is a fast growing shrub that's known for its exceptional hardiness and drought tolerance. Although it's most commonly planted in shelterbelts, Common Caragana is also an excellent hedge or feature shrub.

Note: in warmer areas, this species can be difficult to contain once planted. Use the right plant in the right place.

American Bladdernut Quick Facts

Common Caragana Quick Facts

Lowest Price: $5.99
Zone: 3a
Zone: 1b
Height: 4 m (12 ft)
Height: 4 m (13 ft)
Spread: 5 m (15 ft)
Spread: 1.5 m (5 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
Suckering: medium
Suckering: none
Maintenance: medium


Flowers: white
Flowers: yellow, in spring
Fruit: pod like fruits
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


In row spacing: 0.3 m (1.0 ft)
Between row spacing: 5 m (16 ft)
Native to: ON, QC
Other Names: black karagana, caragana, pea tree, siberian pea shrub, yellow acacia