Sanguisorba obtusa
Japanese burnet, Bottlebrush flower
- Height × spread
- 1.2m × 0.6m
- Position
- Full sun
- Hardiness
- Colder than -20C (RHS H7)
- Flowers
- Summer, Autumn
Availability
Please ask in store about availability
Many plants are seasonal. Call 01234 567890 to check current stock.
About this plant
This has a mound of foliage with its leaves held on slender stalks. The leaves are pinnate, and generally oblong with fine toothed edges. They are coloured soft green and make a domed, slightly tiered mound of foliage. It has showy bottle-brush flowers from mid to late summer and going into September. The flowers are held on long slim stems above the foliage. The 'bottle brushes' arch attractively like horses tails. These are charming in their effect, being both soft and lively. They can be grown in borders or are appealing in front of shrubs such as Hydrangea paniculata forms or other large shrubs. Sanguisorba albiflora is somewhat similar but has white flowers.
- Flower colour
- Pink, Red
- Foliage colour
- Green
- Variegated
- No
- Scent
- No
- Shape
- Dome
- Height
- 1.2m
- Spread
- 0.6m
- Season of interest
- Summer, Autumn
- Flowers in
- Summer, Autumn
- Evergreen
- Deciduous
- Garden style
- Prairie garden
- Sun or shade
- Likes full sun
- Soil type
- Chalk, Loam (normal)
- Soil pH
- All types
- Drainage
- Moisture retentive soil, Well drained soil
- Hardiness
- Colder than -20C (RHS H7)
- Borders & containers
- Borders
- Hazards
- No
Spring
Spring - late · Outdoors
Feed with slow release fertiliser
Apply a general purpose slow release fertiliser, spreading it around the root area of the plant as it is coming into growth. (Or apply a liquid feed at regular intervals throughout the growing season.)
This is a simple way to provide a nutrient boost as a single annual procedure.
Spring-Autumn · Outdoors
Water to keep the soil moist
For best results, this plant needs soil that is always moist. Water deeply and regularly as soon as soil appears dry. Even for established plants in the ground, a dry week can cause problems with some soils. Check plants in pots more often, especially in hot weather. Or install an automatic irrigation system which will do the hard work for you, even when you are away on holiday.
Without regular watering some plants never fully regain their beauty.
Spring - early-mid · Planting
Divide when too large
The plant can be divided if it becomes too large or another plant is required. This may involve physically dividing the clump in two, removing offsets or small bulbs or dividing rhizomes. The new plants can be grown in pots or planted in the ground.
Found in
More Sanguisorba
Sanguisorba
Burnet
Sanguisorba 'Pink Brushes'
Burnet
Sanguisorba 'Pink Tanna'
Burnet
Sanguisorba 'Plum Drops'
Burnet
Sanguisorba 'Tanna'
Burnet
Sanguisorba 'White Brushes'
Burnet
Sanguisorba albiflora
Japanese burnet, Burnet
Sanguisorba canadensis
Canadian burnet