PlantsSpiraeas→Spirea (Spiraea thunbergii 'Ogon')

Common names:
Give a thumbs up Spirea
Give a thumbs up Thunberg Spirea
Give a thumbs up Thunberg's Meadowsweet

Also sold as:

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
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


Photo gallery:
Courtesy Avant Gardens
By vic
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Location: Newtown Square, PADate: 2011-04-15close-up of flowers
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Location: Newtown Square, PADate: 2010-08-31shrubs less yellow in August
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Photo courtesy of Joy Creek Nursery
By Joy
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Location: Newtown Square, PADate: 2012-05-17shrubs in a big parking lot island
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Location: Newtown Square, PADate: 2011-04-15row of shrubs in bloom
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Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Apr 12, 2021 3:44 PM

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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Discussion Threads about this plant
Thread Title Last Reply Replies
Forsythia by bselaty Jul 31, 2020 6:34 AM 2
Salt tolerant plants by eclayne Oct 10, 2020 8:42 PM 133
Invalid species report by dave Jul 14, 2012 2:30 PM 58
Nursery Clean Up! Lots of Perennial and Shrubs to chose from. by finerliners Jul 20, 2011 8:27 AM 1

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