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- Powdery Mildew - High Resistance
- Leaf Spot - High Resistance
- Root Rot - Low Resistance
- Leaf Scorch - High Resistance
- Attracts Bees
- Attracts Hummingbirds
- Attracts Butterflies
- Deer Resistant
Preferred Planting Season*
- Summer Planting
- Spring Planting
Preferred Soil Conditions*
- Prefers Low pH (Acidic Soils)
- Drought Tolerant
- Xeriscape Suitable
- Adapts Well to Most Soil Types
- Low Water Use
- Prefers Dry Soils
- Tolerates Low pH (Acidic Soils)
Season of Interest*
- Late Spring/Early Summer
- Summer Flowering
- Late Summer/Early Autumn
- Spring Flowering
- Fall Flowering
- Prefers Full Sun in Northern States
- Prefers Full Sun in Southern States
- Under Power Lines
- Mass Planting
- Wildlife Habitat
- Rock Gardens
- Border Plant
- Near Water Gardens or Ponds
- Accent Plant
Homeowner Growing & Maintenance
Agastache is easy to grow, but needs to be planted in locations where it does not stay wet. Feed once a year with a slow release fertilizer. To give your plant the best start possible, we include free fertilizer with every order.
First Year flowering; culinary and tea use. Known in Mexico as Toronjil. All the Hyssops are extremely attractive to Hummingbirds and Butterflies
BLACK ADDER HYSSOP
Buy Black Adder Hyssop online. Black Adder Hyssop boasts numerous bottlebrush shaped flowers that are bright to dark blue. It blooms from mid-summer to frost on a compact, rounded plant.
Common Name: Hyssop
FREE with every plant purchased:
- The Sooner Guarantee: For details, click here!
- A pre-measured amount of Polyon® Best-Paks time release fertilizer that keeps your plant well nourished for one year.
- Pre-hydrated Hydro-Gels are included in the top of each container to use when planting as they help retain soil moisture, and plants will establish more quickly with less transplant shock. Plants will also survive drought-like conditions and accidental missed waterings better.
- Planting and Care Instruction brochure.
- Catalogs of new and exciting plant brands, such as Garden Debut® and Proven Winners®.
We use and recommend www.dripdepot.com for our irrigation needs, from simple to install micro and drip systems, to commercial grade irrigation parts and supplies.
Root Pouch 1 gallon
(1.0 gallons / 3.8 liters)
(8 units available now - S)
Grown in Root Pouch®.
Add to Cart