Scientific Name: Oxydendrum arboreum
Common Name: sorrel tree, sourwood
Family Name: Ericaceae
Origin: U.S. - northwest
Hardiness Zone: Zone 6: (-23 to -18 °C)
Plant Type: Tree - deciduous
Mature Size: 10 - 15m x 7 - 10m (height x width)
Habit: Arching
Form: Columnar, Pyramidal - narrowly
Texture: Medium - coarse
Landscape Uses: Attract beneficial insects, Specimen plant, Summer interest, Woodland margin
Exposure: Full sun, Part sun/part shade, Sheltered
Soil or Media: Acidic, Humus rich, Well-drained
Leaves: Simple, Alternate, Soft flexible, Pinnate venation, Pubescent, Elliptic, Oblong, Serrulate
Flowers: Panicle, White, Jul-Aug
Fruit: Capsule, Brown, Oct, (Persistent)
Key ID Features:
Leaves elliptic-oblonge, most 10-15cm long x 3-5cm wide; emerge red and then red again in fall; florets creamy-white in panicles, Jul-Aug; capsules numerous, about 6mm long on 5mm long pedicel. Winter ID: persistent fruit (drooping woody capsules).