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Commonly known as Biennial clary
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
Deciduous - oblong, wrinkled, mid-green leaves to 23cm (9in) long
Blue - lavender coloured with white
Height - to 1m (39in)
Spread - 30cm (12in)
Herbaceous - Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch. - erect, many-branched perennial or biennial. Produces flowers to 3cm (1¼in) long with prominent stamens, on pink stems.
Hardy - average winter - Hardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F)
Partial shade - light, dappled shade
Additional Features - Good to know - - syn S. sclarea var. turkestanica.
Pests & Diseases - slugs, snails
Place of origin - Europe to central Asia.
Resistant to honey fungus - These plants have little or few problems with honey fungus.
Flower Shape - Racemes - - terminal racemes
Hardiness - Frost hardy (down to -5) -
Pruning group - Pruning group 6
Suitable for: Evergreen shrubs or climbers that need little to no pruning.
Action: Trim back shoots that spoil symmetry and to fit available space.
When: Annually after flowering if on previous year's growth, or in later Winter or Spring if flowering on current year's growth, or as requires.
RHS group 9 & 11
Scented Plants - Scented foliage -
Seasonal Interest - Summer -
Soil Conditions - Fertile moist well-drained soil - - moderately fertile
Wildlife - Bee friendly -
- Dividing Herbaceous Perennials - Video Tip ondemand_video
- Spring Planting Osteospermums - Video Tip ondemand_video
- Dividing Summer Perennials - Video Tip ondemand_video
- Dividing summer flowering Hemerocallis - Video Tip ondemand_video
- Summer propagation - Video Tip ondemand_video
- Self-seeding aquilegia - Video Tip ondemand_video
- Supporting Plants - Video Tip ondemand_video
- Dead heading meconopsis - Video Tip ondemand_video
- Dead heading Delphiniums - Video Tip ondemand_video
- Feeding herbaceous peonies - Video Tip ondemand_video
- Allergic reactions and pollen
- Plants which produce masses of pollen - to avoid
- Plants producing little pollen - relatively safe!
to 1m (39in)