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Japanese Bottlebrush

The Japanese Bottlebrush (Sanguisorba obtusa)

is a fully hardy perennial herbaceous plant with pink flowers in late Summer and mid Summer. It grows well in semi-shade and direct sun, and prefers medium levels of water. The flowers are arranged in a spike inflorescence. It has no drought tolerance.
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It looks best in Summer.


Sanguisorba obtusa grows in soils ranging from a pH of 6 (acidic ranges from 5.6 to 6) to 8.5 (alkaline ranges from 8.1 to 8.5). It is adapted to chalk, clay, clay loam, loam, loamy sand, peat, sandy clay, sandy clay loam and sandy loam soils, and prefers medium fertility.


This is a erect plant and has a clump forming growth form, and has an ultimate height of 0.6m / 2ft and spread of 0.6m / 2ft. It can take 4-5 years to reach its ultimate height.


The leaves are green in Summer and green in Autumn. They are oblanceolate in shape.


The plant is happy in any situation, exposed or sheltered.


City courtyard garden, cottage informal garden, flower border and bed, low maintenance and wild life garden.


Propagation techniques include division and seed.

-34°C / -29.2F 6 to 8.5 4-5 years 0.6m / 2ft 0.6m / 2ft
Scientific classifications [Edit]
Genus ? Sanguisorba
Specific epithet ? obtusa
Common names
Japanese Bottlebrush (Ireland), Japanese burnet (Ireland)
IPNI details on Sanguisorba obtusa
References [edit] ?

Plant added by plantdatabase

Sanguisorba obtusa http://plantdatabase.ie/Sanguisorba_obtusa
© Plant Database Ltd., 21st April 2014     Web: http://plantdatabase.ie     Email: mail@plantdatabase.ie
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  • Tidbit
  • Common names can be easy to remember but confusing when talking about plants on a wordlwide basis. For example, the common name 'Bluebell' is used to describe plants in the Campanula genus. It is also used for plants in the genera Penstemon (North America), Hyacinthoides (Europe), Endymion (Asia), Polemonium, Mertensia and Wahlenbergia (Australia). That is why it is much safer to use the scientific name (if you can remember it!).
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