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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.co.uk/Sanguisorba_obtusa
© Plant Database Ltd., 23rd July 2014     Web: http://plantdatabase.co.uk     Email: mail@plantdatabase.co.uk
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