General Plant Information (Edit)
Plant Habit: Shrub
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 8b
Plant Height: 5-6 feet
Plant Spread: 5-7 feet
Leaves: Good fall color
Unusual foliage color
Deciduous
Flowers: Showy
Blooms on old wood
Flower Color: White
Bloom Size: Under 1"
Flower Time: Spring
Uses: Windbreak or Hedge
Wildlife Attractant: Butterflies
Resistances: Deer Resistant
Rabbit Resistant
Propagation: Other methods: Cuttings: Stem
Pollinators: Various insects
Miscellaneous: Tolerates poor soil
Monoecious

Image
Common names
  • Spirea
  • Thunberg Spirea
  • Thunberg's Meadowsweet
Also sold as:
  • Ōgon

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Comments:
  • Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Apr 12, 2021 3:44 PM concerning plant:
    This 'Mellow Yellow' Thunberg Spirea has been very popular in this early 21st century because of its bright yellow foliage in spring, but it fades to more yellowish-green when the heat of summer comes, and then gets yellow again in the cool of fall. It also has a very wispy, airy fine texture with its tiny leaves and very slender twigs. It is sold at many conventional nurseries. The mother species of Thunberg Spirea that is native to Japan and China with light green leaves, that can also be called Garland Spirea, was fairly commonly planted in the late 1800's to the mid-1900's, but I don't see it hardly anymore.

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