Spiraea thunbergii Mellow Yellow™
Common name: 
Mellow Yellow Spirea,
Ogon (Thunberg) Spirea
Pronunciation: 
sp-i-RE-a thun-BER-je-i
Family: 
Rosaceae
Genus: 
Synonyms: 
'Ogon'
Type: 
Broadleaf
Native to (or naturalized in) Oregon: 
No
  • Deciduous shrub, 3-5 ft (0.0-1.5 m) tall and wide, arching, willowy.  Leaves yellowish in spring and early summer, green-yellow late summer, and russet in fall.
  • Sun (best) to light shade.
  • Hardy to USDA Zone 4
Click image to enlarge
  • plant habit, early spring flowering

    plant habit, early spring flowering

  • flowers

    flowers

  • plant habit, after flowering

    plant habit, after flowering

  • shoots, spring

    shoots, spring

  • shoots, late summer

    shoots, late summer