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LUPINUS arboreus blue form
Commonly known as Tree lupin
Light blue flowers
Further Reading....
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Evergreen5- to 12-palmate, grey-green leaves composed of oval leaflets to 6cm (2½in) long
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Semi-evergreenKeeps some of its foliage all year, and will drop some leaves as well.
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BlueLight blue
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Height2m (6½ft)
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Spread2m (6½ft)
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Medium shrubTypically grow to around 4-6 feet in heightBushy, vigorous shrub or subshrub with silky shoots. Pea-like flowers
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Hardy - average winterHardy 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)
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Full sun
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Partial shade
LUPINUS arboreus blue form
- Details
- Description
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
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Additional FeaturesGood to knowWildlife plant - attractive to insectsPests & DiseasesSlugs, gall, mildew, leaf spot, viruses, fungal and bacterial rotPlace of originUSA (California)
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Flower ShapeRacemesDense to lax, upright racemes to 30cm (12in) long
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HardinessFrost hardy (down to -5)
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Scented PlantsScented flowers
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Seasonal InterestSummer
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Soil ConditionsFree draining sandy soilLight and moderately fertile
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Toxic - Category B - CAUTIONToxic if eaten(Toxic to pets if eaten)
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Toxic - Category CHarmful if eaten
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WildlifeBee friendlyRabbit Resistant
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Lupinus - Growing Guide
2m (6½ft)
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2m (6½ft) |
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

Vermin & Pest Control
Slug Pellets
Slug killer blue mini pellets are easy to use and give effective control of slugs and snails.
Ideal in garden, conservatory or greenhouse.
Only £6.50

Vermin & Pest Control
Copper Tape
Quick and easy way to repel slugs and snails from your pots with this adhesive copper tape.
Only £7.50