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SALVIA guaranitica 'Black and Blue'
Commonly known as Anise-scented sage
Purple-blue flowers with near-black calyces. Vigorous
Further Reading....
- Details
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
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Evergreen - ovate, pointed, wrinkled, mid-green leaves to 13cm (5in) long
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Purple - Shades of purple/mauve/lilac/violet - purple blue -
Height - to 2.5m (8ft) -
Spread - 90cm (36in)
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Tall Shrub - sub-shrubby perennial with branched, dark green stems
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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) -
Against a wall - ideal against a sheltered, south-facing wall
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Full sun -
Additional Features - Pests & Diseases - - slugs, snails. Under glass - aphids, red spider mites, whiteflies -
Place of origin - Brazil, Uruguay, Argentina -
Resistant to honey fungus - These plants have little or few problems with honey fungus.
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Flower Shape - Spikes - - terminal or axillary spikes
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Tubular - to 5cm (2in) long
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Hardiness - Frost hardy (down to -5) -
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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 -
Seasonal Interest - Autumn -
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Summer
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Soil Conditions - Medium to light, fertile, well drained soil - - moderately fertile. Humus-rich.
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Wildlife - Bee friendly -
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Cold weather damage to evergreen plants
Planting to avoid allergic reactions and asthma
- Allergic reactions and pollen
- Plants which produce masses of pollen - to avoid
- Plants producing little pollen - relatively safe!
Salvia - Growing Guide
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to 2.5m (8ft)
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90cm (36in) |
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Useful extras...
Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00
Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
2 options from £6.00
Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants.
Perfect used in conjunction with Rootgrow™.
Only £7.50
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