Printer Friendly Version Print Plant Details

Agastache x 'Black Adder'

Also called Black Adder Hyssop


« PREV Image 1 of 2 NEXT »

More About Agastache x 'Black Adder'

  • Dark purple-black buds open to violet-blue flowers
  • Upright, clump forming habit
  • Licorice-scented foliage
  • Bloom Time: July to September

Interesting Notes:

Licorice-scented foliage can be used in teas and added to salads.
Cross between A. rugosum and A. foeniculum

Zone:

5

Height:

90-120 cm

Spread:

45-60 cm

Colour:

Blue,Violet-blue
You must be logged in to
view availability and prices.
×

Hyssop Growing and Maintenance Tips

Grows best in full sun and an average to dry, well-drained soil. If desired, pinch main stems in June just before the buds form, to keep the plant compact. After flowering, remove old flowers to promote a second flowering. No serious pest or disease problems.


Agastache x 'Black Adder' Characteristics

Full Sun
Full Sun
Attracts Hummingbirds
Attracts Hummingbirds
Attracts Butterflies
Attracts Butterflies
Fast
Fast
Rabbit Resistant
Rabbit Resistant
Deer Resistant
Deer Resistant
Dried Flower/Foliage
Dried Flower/Foliage
Edible
Edible
Low Maintenance
Low Maintenance
Fragrant
Fragrant
Cut Flower/Foliage
Cut Flower/Foliage
Drought Tolerant
Drought Tolerant
Long Blooming
Long Blooming

Soil Moisture

Average to Dry Soils
Well-drained
Moist to Average

Flowering Time

Lt. Sum-Fall
Summer

Habit

Clumping
Upright

Foliage Color

Green

Landscape uses

Naturalizing

 Suitable Substitutions for Agastache x 'Black Adder'

Agastache foeniculum

Agastache foeniculum

Anise Hyssop