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AGASTACHE 'Blackadder'
('Black Adder'). Dark purplish-blue flower spikes. Anise scented leaves
£13.50 each
MULTIBUY SAVING
Any 3+ for £12.00
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 know
Wildlife plant. Attracts bees, butterflies and other insects -
Pests & Diseases
Powdery mildew in dry summers -
Place of origin
Garden origin -
Blue
Purplish blue -
SpikesDense, terminal spikes to 20cm (8in) long
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Fully hardy
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Height
60-90cm (24-36in) -
Spread
45-60cm (18-24in)
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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.Upright, clump-forming perennial. Lance-shaped, blue-green leaves are 3-5cm (1¼-2in) long
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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)Borderline -
Scented foliage
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Autumn Seasonal Interest
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Summer Seasonal Interest
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Bee friendly
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Butterfly friendly
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Mature Size60-90cm (24-36in)
45-60cm (18-24in)
Planting Tips and Care Advice
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Garden Location/Conditions
Border
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Soil Conditions
Fertile well drained soil
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Sun Requirements
Full sun
Agastache - Care Guide
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
Planting Combinations
