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NEPETA 'Six Hills Giant'
Commonly known as Catmint, Catnip
Tall form
Plant Details
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Good to knowAttractive to insects.
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Pests & DiseasesSlugs, and possibly powdery mildew in hot summers.
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Place of originGarden origin. UK. 1935. C. Elliott, Six Hills Nursery, Herts.
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EvergreenNarrowly oval, toothed, grey-green leaves to 4cm (1½in) long.
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PurpleShades of purple/mauve/lilac/violetViolet
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Spikes
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Fully hardy
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Height90cm (36in)
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Spread60cm (24in)
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HerbaceousEarly in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.Vigorous, clump-forming perennial. Produces abundant spikes of flowers 2cm (¾in) long.
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Hardy - very cold winterHardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F)
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Scented foliage
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Summer Seasonal Interest
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Bee friendly
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Mature Size90cm (36in)
60cm (24in)
Planting Tips and Care Advice
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Garden Location/Conditions
BorderSuitable for a mixed or herbaceous border
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Soil Conditions
Fertile moist well-drained soil
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Sun Requirements
Full sunPartial shade
Herbaceous Plants - Video Collection
- 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
- Overpotting Problems - Video Tip ondemand_video
Nepeta - Growing Guide
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