How do you take care of a black knight butterfly bush?

To care for your black knight butterfly bush you will want to plant it in full sun to partial shade. Make sure to deadhead spent flowers and avoid fertilizing.

How much sunlight does a butterfly bush need?

Since butterfly bushes need full sun conditions they must have at least 6-8 hrs of sunlight.

How do you grow a Black Knight butterfly bush?

When growing a Black Knight butterfly bush you want to make sure you place it in a full sun are and water it weekly. To encourage new flowers deadhead spent flowers and avoid fertilizing.

Is a Butterfly Bush toxic to dogs?

Although Butterfly bushes are inedible they are not toxic to pets or humans.

What time of year do you cut back a butterfly bush?

Pruning Black Knight Butterfly Bushes in Spring is the best time to do so especially in a colder climate. It's not recommended to prune until seeing green buds on the stem.

Black Knight Butterfly Bush

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Family owned farm since 1980

You're good to grow this in Zone X

Order Black Knight Butterfly Bush Online

Beautiful Purple Blooms Invite All Kinds of Pollinators to Your Garden!

The Buddleia davidii Black Knight Butterfly Bush is a sight for the eyes planted in any butterfly garden landscape! As long as you have a sunny planting spot this flowering perennial shrub will flourish with big purple flower heads whose fragrance will attract butterflies and other pollinators like bees or hummingbirds to your landscape.

This flowering butterfly bush plant features very dark purple conical flower heads that have a bloom time from early to mid-summer to early fall at their prime. You can start seeing the clusters of flowers as early as May or June and they will last all the way until September. They will appear on a long shrub-like spike that surrounds the circumference of the plant.

Contrasting the deep purple flower spikes on the butterfly weed is olive green foliage that will remain on the plant until winter before dying back. It is famous for its bushy growing habit, honey-scented fragrant flowers, and robust growth. The fast growth rate is perfect for shrub borders, foundation plantings, or specimen plant.

BLACK KNIGHT BUTTERFLY BUSH CARE

The purple Butterfly Bush size is up to 6-8 feet tall and 3-5 feet wide at full maturity. It will perform best in full sun and well-draining soil. It can tolerate partial sun to partial shade but foliage may become infrequent.

Grow the Buddleia Black Knight Butterfly Bush across the United States in USDA hardiness zones 5-9. In northern climate zones like 5 and 6 with colder winters, the deciduous shrub can die down to the ground in winter months in the manner of an herbaceous perennial. Do not fret – the cold-hardy root systems will stay intact and flush out in early spring. Plus, they’re deer resistant!

Butterfly bush pruning will benefit the plant after the flowering period ends to help shape the shrub to your desired size. The green leaves can take heavy pruning. Do not prune once spring has arrived to avoid cutting off new flower buds. The best time of the year to prune is in winter.

You can even prune your plant into a butterfly bush tree! Deadhead butterfly bush and remove spent flower blossoms to encourage repeat blooms.

The flowering shrub is rabbit resistant and tolerant of clay soils once established. It is extremely low maintenance and drought tolerant. Once planted you can set it and forget it besides the occasional watering.

Shop the Black Knight Butterfly Bush for sale if you are looking for a purple bush that attracts butterflies and is easy to care for.

Plant the butterfly-attracting bush somewhere the fragrance can be enjoyed!

Check out all our Butterfly Bushes for sale.

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Botanical Name

Buddleia davidii 'Black Knight'

Sunlight
Full Sun / Partial Shade

Flower Color
Purple

Foliage Color
Green

Mature Width
3-5 ft

Mature Height
6-8 ft

Growing Zones 5, 6, 7, 8, 9

Customer Reviews

4.6 Based on 20 Reviews

5 ★

70%

4 ★

25%

3 ★

2 ★

1 ★

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04/22/2024

Michele S.

United States

Beautiful!

This is our second time purchasing from Perfect Plants. Quality of the plants is outstanding. They are packaged with care, and always arrive in great shape. Our garden is coming along nicely! I'm very pleased with Perfect Plants!

Black Knight Butterfly Bush

04/22/2024

Christi T.

United States

Hiccups but plants were top quality

First time ordering. I ordered the Black Knight Butterfly Bush, but received Gardenias. The Gardenias were exceptional quality. After a bit of effort to make contact, the butterfly bushes were sent. They were also top quality. I will consider using them again and can't wait to see the bushes mature and bloom!

Black Knight Butterfly Bush

09/14/2023

Jessica S.

United States

Fast Shipping

I ordered this for my cousin, she lost her 19 year old daughter in a tragic car accident. I wanted her yard to be filled with butterflies!

Black Knight Butterfly Bush

09/15/2023

Perfect Plants Nursery

Oh, my heart goes out to your cousin, my friend. Losing a loved one is never easy, and my deepest sympathies go to her during this difficult time. It's incredibly thoughtful of you to want to fill her yard with butterflies, like little winged messengers bringing comfort and a sense of peace.

08/10/2023

Anonymous

United States

Perfect indeed...

It came today and is in the ground enjoying the light rain. Lovely young plant and it is happily next to two other butterfly bushes. Black knight is their favorite so I'm hopeful we'll have some monarchs soon.

Black Knight Butterfly Bush

08/11/2023

Perfect Plants Nursery

Hi there, It's amazing to hear that your lovely plant has found a happy home next to the other butterfly bushes. With the Black Knight being their all-time favorite, here's to hoping for a fluttery parade of monarchs in your garden real soon! Happy planting and may your garden be filled with joy and colorful wings! � Best, Shirley

07/14/2023

Anonymous

United States

Healthy shrubs

Plants arrived quickly, well packaged, and in good condition. They are already flowering! Will order other plants next season. Glad to have found another reliable mail order supplier.

Black Knight Butterfly Bush

07/17/2023

Perfect Plants Nursery

Hi there, We're thrilled that your Black Knight Butterfly Bush arrived quickly, well-packaged, and in good condition, and how exciting that they're already flowering! Enjoy the beautiful blooms and the happiness they bring! Best, Shirley

We've determined you're in Growing Zone 10b