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Image Property of Sooner Plant Farm



Plant Characteristics

Bark Color*
  • Tan
Bark Type*
  • Rough
Cultural Information*
  • Leaf Spot - Moderate Resistance
  • Root Rot - Low Resistance
  • Leaf Scorch - Moderate Resistance
  • Powdery Mildew - High Resistance
Flower Color*
  • Dark Purple
Flower Type*
  • Fragrant
Growth Rate*
  • Fast
Leaf Color Fall*
  • Green
Leaf Color Spring*
  • Green
Leaf Color Summer*
  • Green
Leaf Type*
  • Deciduous/Herbaceous
Nature Assets*
  • Attracts Butterflies
  • Deer Resistant
  • Attracts Hummingbirds
  • Attracts Bees
Plant Type*
  • Shrub
Preferred Planting Season*
  • Spring Planting
  • Fall Planting
  • Summer Planting
Preferred Soil Conditions*
  • Well-Drained
  • Adapts Well to Most Soil Types
  • Low Water Use
  • Drought Tolerant
  • Prefers Dry Soils
  • Average
Propagation Methods*
  • Cuttings or Divisions
Season of Interest*
  • Summer Flowering
  • Spring
  • Summer
  • Spring Flowering
  • Fall
  • Late Spring/Early Summer
  • Fall Flowering
  • Late Summer/Early Autumn
Sun Exposure*
  • Prefers Full Sun in Northern States
  • Prefers Full Sun in Southern States
  • Tolerates Morning Sun Only in Southern States
  • Tolerates Morning Sun Only in Northern States
  • Tolerates Full Sun in Northern States
  • Prefers Morning Sun Only in Northern States
  • Tolerates Full Sun in Southern States
Uses*
  • Wildlife Habitat
  • Cut Flowers
  • Accent Plant
  • Near Water Gardens or Ponds
  • Rain Garden
  • Rock Gardens
  • Mass Planting
  • Under Power Lines
 

Homeowner Growing & Maintenance

Buddleia is easy to grow, and adapts to most conditions. Feed once a year with a slow release fertilizer. To give your plant the best start possible, we include a free fertilizer packet.

Interesting Notes

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BLACK KNIGHT BUTTERFLY BUSH

Buddleia davidii 'Black Knight'

Buy Black Knight Butterfly Bush online. Deep violet, almost black flowers from mid-summer until frost. The darkest of the Buddleias.

Mature Height:

6-8 Feet

Mature Spread:

4-6 Feet

Hardiness Zone:

5-10

What's My Hardiness Zone?

Family: Scropholariaceae · Common Name: Butterfly Bush

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®.

DIY Irrigation SuppliesWe 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.

Purchase BLACK KNIGHT BUTTERFLY BUSH Online

Eco gallon Potted

SKU: 1899

(2.64 qrts / 2.51 liters)
(548 units available now - GR)

Standard Package




$35.00

Add to Cart

2 gallon Potted

SKU: 3263

(1.87 gallons / 7.09 liters)
(189 units available now - G)

Standard Package




$45.00

Add to Cart

3 gallon Potted

SKU: 2416

(2.90 gallons / 11.0 liters)
(186 units available now - SGR)

Standard Package




$75.00

Add to Cart

Root Pouch 3 gallon

SKU: 8564

(3.06 gallons / 11.6 liters)
(0 units available now)

Standard Package Grown in Root Pouch®.




$75.00

Get Notified SOLD OUT  

5 gallon Potted

SKU: 3264

(4.10 gallons / 15.55 liters)
(232 units available now - G)

Standard Package




$95.00

Add to Cart
   
 

Sooner Help Zone

Quote of the Day

“My desire is not for wealth; but rather for competence,goodness and usefulness. - Thomas B. Maccaulay”

Customer Testimonials

The plants are more beautiful that I imagined they would be.


Jean
Harrisonburg, VA
November 2016

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