Plants by mail order since 1984, over 4100 plants online today!
Please Click here for latest ordering and Covid information. As per current government guidance, face masks are required when paying at the cashpoint.
AGASTACHE 'Blackadder'
('Black Adder'). Dark purplish-blue flower spikes. Anise scented leaves
Further Reading....
.png)
- Details
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
-
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 -
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 - Frost hardy (down to -5) -
-
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
- 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
|
60-90cm (24-36in)
|
|
|
|
45-60cm (18-24in) |
Share this page
