Hyssop
Also Known As:
Black Adder HyssopBotanical Name:
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
Hardiness Zone
5
Flower Colour
- Blue
- Violet-blue
Height
90 cm-120 cm
Spread
45 cm-60 cm
*All sizes are container only - we do not carry seeds. Please refer to size guide link above.
*All plugs are sold individually. Contact us for full tray pricing. Please click here for tray sizing guide.
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Usually ready in 5+ days —

Hyssop
Exposure
- Full Sun
Soil Moisture
- Average to Dry Soils
- Moist to Average
- Well-drained
Attracts Wildlife
- Attracts Butterflies
- Attracts Hummingbirds
- Attracts Pollinators
Growth Rate
- Fast
Foliage Colour
- Green
Critter
- Deer Resistant
- Rabbit Resistant
Attributes
- Cut Flower/Foliage
- Dried Flower/Foliage
- Drought Tolerant
- Edible
- Fragrant
- Long Blooming
- Low Maintenance
Flowering Time
- Lt. Sum-Fall
- Summer
Shape
- Clumping
- Upright
Garden Uses
- Naturalizing
Additional Details
Growing Tips & Maintenance
- 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.
Additional Notes
- Licorice-scented foliage can be used in teas and added to salads.Cross between A. rugosum and A. foeniculum
Size: 1gal
Flamborough Area
Hamilton ON L9H 5E1
Canada
check_circle Pickup available, usually ready in 5+ days
Questions?
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