Cascara
Rhamnus purshiana
Description:
This small native tree boasts small flowers and purple fruit that feed many native birds. While it's frequently overlooked, it's a highly adaptable tree that will work well in a woodland setting or in a smaller yard. Its foliage turns brilliant yellow in autumn.
Power Line Approved: Yes
Min. street tree planting width: 5 feet
Mature Height: 25 feet
Mature Spread: 20 feet
Tree Shape: Upright oval
Where to Plant:
A perfect tree for unimproved rights of way or woodland settings. Can also be used for small yard spaces.
Leaves:
Dark green oval shaped leaves turning yellow to orange-red in the fall.
Flowers:
Small and insignificant greenish-white flowers favored by butterflies.
Fruit:
Small purple-black beads that attract many native birds.
Preferred Site Conditions:
Works in a wide variety of conditions from wet to dry, part sun to shade. Cascara will grow best in a part sun/shade location with well-drained, uncompacted soils. Keep the grass away and make sure it is mulched.
Potential Problems:
Very few pest and disease problems, however aphids can be a nuisance.
Minimum Planting Distances:
- 15 feet from house or building
- 3 ½ feet back from the face of the curb
- 5 feet from underground utility lines
- 10 feet from power poles
- 7 ½ feet from driveways (10 feet recommended)
- 20 feet from street lights and other existing trees
- 30 feet from street intersections