bundle | 3 Gallon | Grow Pot

Black Knight Butterfly Bush

3 Gallon / Grow Pot / Plastic
$79 $95 17% OFF
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bundle | 3 Gallon | Grow Pot

Black Knight Butterfly Bush

The Black Knight Butterfly Bush attracts pollinators with deep purple blooms and sweet fragrance—fast-growing, low-maintenance, and perfect for garden beds, borders, or large containers.

$79 $95 17% OFF Limited Time: Free Shipping Sitewide
Pick a Height: 3 Gallon
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Black Knight Butterfly Bush Information

bundle | 1-2 ft. | Grow Pot
About The Black Knight Butterfly Bush

Bring on the Butterflies with Black Knight!

Get ready to transform your garden into a fluttering paradise with the Black Knight Butterfly Bush. This hardy shrub is not just a pretty face; it's a butterfly magnet that will bring your garden to life!

Why You'll Love Black Knight:

  • Easy to Grow: No green thumb? No problem! This bush thrives with minimal fuss.
  • Drought Tolerant: Forget to water? The Black Knight is forgiving and resilient.
  • Long Blooming: Enjoy deep purple blooms from summer to fall.

Perfect For:

  • Adding a splash of dramatic color to your landscape.
  • Attracting an array of pollinators, especially butterflies.
  • Creating a low-maintenance focal point in your garden.

With the Black Knight Butterfly Bush, you're not just planting a shrub; you're inviting nature's most beautiful insects to a feast in your own backyard. So why wait? Add a touch of whimsy and wonder to your outdoor space today!

Black Knight Butterfly Bush Details
Mature Height:
4-6 ft.
Mature Width:
4-6 ft.
Sunlight:
Full Sun
Growth Rate:
Fast
Botanical Name:
Buddleia 'Black Knight'
Grows Well In Zones:
5-9 outdoors
Does Not Ship To:
AK, AZ, HI, OR, WA

Growing Zones 5-9 Outdoors

(Hardy down to 10° F)

Watering Requirements
Water deeply once a week, especially during their first growing season and hot weather, to establish strong roots and promote healthy blooms. It's best to water at the base in the morning to minimize evaporation and prevent fungal diseases by keeping the foliage dry.
Sunlight Requirements
Thrives in full sun, needing at least 6-8 hours of direct sunlight daily for optimal blooming. Too much shade may produce fewer blooms and become leggy.
Humidity Requirements
Butterfly bushes thrive best in moderate to high humidity, making them well-suited for warm climates when given proper care.
Pet-Friendly Plant?
No, this plant is not recommended in homes with pets.
Read our full care guide
Black Knight Butterfly Bush
Frequently Asked Questions
What is a Butterfly Bush?
The Butterfly Bush (Buddleja davidii) is a fast-growing, deciduous-to-semievergreen flowering shrub native to Asia. Famous for its long, conical panicles of fragrant, nectar-rich flowers that bloom continuously from summer to early autumn, it attracts butterflies, bees, hummingbirds, and other beneficial pollinators.
What is a Butterfly Bush?
The Butterfly Bush (Buddleja davidii) is a fast-growing, deciduous-to-semievergreen flowering shrub native to Asia. Famous for its long, conical panicles of fragrant, nectar-rich flowers that bloom continuously from summer to early autumn, it attracts butterflies, bees, hummingbirds, and other beneficial pollinators.
Do Butterfly Bushes attract butterflies to complete their life cycle?
While adult butterflies feed heavily on the nectar of Buddleja flowers, the bush does not serve as a host plant for native caterpillars. Pair Butterfly Bushes with native host plants like Milkweed (Asclepias) or Spicebush (Lindera benzoin) to support full caterpillar-to-butterfly life cycles.
Do Butterfly Bushes attract butterflies to complete their life cycle?
While adult butterflies feed heavily on the nectar of Buddleja flowers, the bush does not serve as a host plant for native caterpillars. Pair Butterfly Bushes with native host plants like Milkweed (Asclepias) or Spicebush (Lindera benzoin) to support full caterpillar-to-butterfly life cycles.
When and how should you prune a Butterfly Bush?
Prune Butterfly Bushes in late winter or early spring just as new growth begins to break. Because they bloom on new wood (current season's growth), cut the entire shrub back hard to 12–18 inches above the ground. This stimulates robust new growth and yields larger bloom panicles.
When and how should you prune a Butterfly Bush?
Prune Butterfly Bushes in late winter or early spring just as new growth begins to break. Because they bloom on new wood (current season's growth), cut the entire shrub back hard to 12–18 inches above the ground. This stimulates robust new growth and yields larger bloom panicles.
Do Butterfly Bushes need fertilizer?
Butterfly Bushes grow vigorous branches naturally and rarely require fertilizer. Excess nitrogen promotes weak, leggy foliage at the expense of flower blossoms. A thin layer of compost in early spring is usually sufficient.
Do Butterfly Bushes need fertilizer?
Butterfly Bushes grow vigorous branches naturally and rarely require fertilizer. Excess nitrogen promotes weak, leggy foliage at the expense of flower blossoms. A thin layer of compost in early spring is usually sufficient.
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Our planters are made from the highest quality materials, and designed to complement a range of styles.
Fiberglass Planters
Mexia planter
Mexia

Lightweight fiberglass with a drainage hole and removable stopper

No Exterior Planter
Grow Pot
Grow Pot

Plastic container with drainage holes used by our greenhouse

Agnes planter
Agnes

Lightweight fiberglass with a drainage hole and removable stopper

All of our plants ship in premium packaging for zero damage on arrival. Here’s what you can expect in your box on arrival:
Your Black Knight Butterfly Bush
Fully rooted in a nursery pot with soil intact
Custom Protection System
Corner guards, soil stabilizer, and branch sleeves keep it secure
Pre-Watered & Ready
Each plant is watered 24 hours before it is shipped
Care Instructions Card
Survival guide for your first 30 days of growing is included

Why Choose The Sill?

Not all Black Knight Butterfly Bushs are created equal
Traditional Retailers
Greenhouse Grown Not warehouse-held.Acclimated before shipping.
Indoor Ready Pre-conditioned to lower light conditions.
Fully Potted Soil intact. No repotting stress.
Damage Guarantee Free replacement within 48 hours.