AGASTACHE 'Blackadder'

('Black Adder'). Dark purplish-blue flower spikes. Anise scented leaves
Further Reading....
  • Blue
    Purplish blue
  • Height
    60-90cm (24-36in)
  • Spread
    45-60cm (18-24in)
  • Herbaceous
    Early 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
  • 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
  • Full sun

AGASTACHE 'Blackadder'

 
Gift Wrapping available on this plant - UK Delivery Only
£13.00 each 
MULTIBUY SAVING

Any 3+ for £11.00
Collect only available from our nursery nr Redruth in Cornwall Ready in 3 - 5 days
Delivery Information Normally 3 - 5 days
plant size comparison icon 1.5 to 2 Litre
Click to see photo
  • Additional Features
    Good to know
    Wildlife plant. Attracts bees, butterflies and other insects
    Pests & Diseases
    Powdery mildew in dry summers
    Place of origin
    Garden origin
  • Flower Shape
    Spikes
    Dense, terminal spikes to 20cm (8in) long
  • Hardiness
    Fully hardy
  • Scented Plants
    Scented foliage
  • Seasonal Interest
    Autumn
    Summer
  • Soil Conditions
    Fertile well drained soil
  • Wildlife
    Bee friendly
    Butterfly friendly
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Agastache - Care Guide
Herbaceous Plants - Video Collection
60-90cm (24-36in)
 Herbaceous - guide for size not form Watering Can
  45-60cm (18-24in)
  

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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