Agastache 'Black Adder'


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Item #:
Pot Size: 4"x4"x5.5" pot

Plant Description

‘Black Adder’ will absolutely be your pollinators’ favorite, as they feast on numerous bottlebrush flowers from mid summer to frost. Compact, rounded in stature, and jam packed with purple/blue flowers, just give this easy to grow hyssop full sun and average to dry conditions with very good drainage especially during winter to ensure repeat performances every year. Great companions could include coreopsis, Achillea, coneflowers, rattlesnake master, liatris, Ratibida, and many, many more. ‘Black Adder’ hyssop is definitely on the top ten for pollinator plants.  



Container plant

Deer Resistant

Butterfly Plant

Hummingbird Plant

Drought Resistant

Native Plant

Good Fragrance

Ease of Culture

Easy to grow

Plant Type

Wildflower, Perennial

 Light Exposure

Full sun, Mostly sunny,

Soil Condition

Average, Organic, Sandy, Clay,

Moisture Tolerance

Dry, Moderately moist,

Container Size

full quart


2 to 3ft

Flower Color

Purple, blue, lavender

Bloom Time

Mid summer,

Early summer

Late summer

Early fall

Typical Height

24 to 36in


24 to 36in


6, 7, 8, 9, 10


 Photo courtesy North Creek Nursery