Agastache 'Black Adder' - GIANT HYSSOP 'BLACK ADDER'

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Even this is hybrid of two species from two different continents, 'Black Adder' will absolutely be your pollinators’ favorite.

Compact, rounded in stature, covered with purple/blue flowers. Easy to grow perennial in full sun and average to dry conditions with very good drainage (especially during winter).

Great companions could include Achillea, Baptisia, Coreopsis, Echinacea, Eryngium, Liatris, Monarda, Nepeta, Ratibida, and many more.

We compared Agastache 'Black Adder', cultivar Agastache 'Blue Fortune' with native parent Agastache foeniculum and all three were highly attractive to pollinators, without big differences. Although the pure native A. foeniculum attracted also tiny insects, but only when the blooms were in certain stage of development.

Blooming time : June to September

Size : up to 3' tall and 1.5-2 ft wide

USDA zones : 6 to 9

Culture : full sun, half sun, half shade, average soil with some drainage. This plant will be short lived in heavy clay or waterlogged soils

Moisture Needs : average, some tolerance to shorter term drought

Origin :This perennial is garden origin, famous Dutch breeder Coen Jansen crossed US native Agastache foeniculum with Asian Agastache rugosa

Deer/rabbit resistant : deer is usually avoiding this plant / rabbits may chew the young shoots

Attracts Butterflies or Pollinators : highly attractive for native bees, honey bees, flies, wasps and butterflies

Attracts Hummingbirds : yes

Pot Size : square 3.5" x 4" deep perennial pot (1.22 pt/580 ml)