Black Knight Butterfly Bush

Black Knight Butterfly Bush
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purple flowers of the purple butterfly bushBlack Knight Butterfly Bushlong purple flowerslight green foliage of the butterfly bush

Product Description

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 a 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 bush that attracts butterflies and is easy to care for.

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

Botanical Name

Buddleia davidii 'Black Knight'

Sunlight Full Sun / Partial Shade
Flower Color Purple
Foliage Color Green
Mature Height 6-8 ft
Mature Width 3-5 ft
Growing Zones 5, 6, 7, 8, 9 Growing Zones
Special Features
  • Attracts pollinators to your garden
  • Bright bursts of color have street appeal
  • Low maintenance and drought tolerant

Shipping Info

Once your Black Knight Butterfly Bush order is placed, we will ship your plant(s) within seven business days year round unless during the checkout process you request otherwise in the space provided to do so.

Perfect Plants’ shipping specialists carefully package your plants using a proven packaging method that ensures your plants arrive healthy, colorfully alive and ready to flourish. We’ve coined the term ‘upside down box test’ and we do just that; we carefully package so that regardless of the direction your box is handled, it will not harm your precious plant that’s inside.

upside down test

No shipping process is without a problem from time to time. On rare occasions some plants may experience some of the following during their transit: drooping, minor leaf-loss and/or minimal yellowing/discoloration, minor limb damage, etc. These instances are quite rare, but can happen when shipping plants in boxes.

Plants normally recover within a few weeks after planting. If a damaged box has injured your plant on the inside, please notify us within 5 days of receiving you package(s) by emailing us a photograph of the damage.

We always do our very best to ensure that your plants are packed and shipped in the safest, gentlest and most effective way possible.

Will my plants and trees look like the photographs?

Absolutely! Unlike other online nurseries, our photos are of actual plants and trees we’ve grown here, on our family operated nursery.

our story Lloyd nurseryGrowing our own plants and trees helps to ensure we ship you the best quality plants that are free of pests and diseases.

Your plants and trees may however not ship with flowers on them, like the photographs. This all depends on the time of year you buy your plant or tree. Crape Myrtle trees, for example, only bloom during the summer months, so if you purchase one during the spring or fall, they would ship without flowers. Once planted, your plants will grow and thrive giving you flowers for many years to come!

Pot Sizes

Pot sizes (commonly referred to in gallons) are shipped in the same size nursery trade pots which may vary in actual volume. Some plants may have been at the approximate pot size listed, but require excess dirt to be removed so that you will not be paying any additional shipping costs. This doesn’t happen very often though.

Shipping Fees

Our shipping charges are based on the value of your order.  Please use the chart below to see what your shipping charge will be.

shipping matrix 2-16

Care

Choose a planting location that offers adequate sunlight and shade in a low traffic area. Allow proper clearance for the mature growth size. Well-drained soil is ideal. Water regularly for the first planted year to ensure adequate water is available for establishing a strong root system. Prune as necessary to remove any damaged or dead foliage and to promote a well-balanced structure.

Planting Instructions:

Dig a hole approximately twice as wide as your new plant’s root ball and deep enough so that the top of the root ball is equal with the ground level.

Loosen the root ball using a small garden spade or by hand. Breaking smaller outer roots can encourage growth into the new soil, but take care to not damage large primary roots.

Place the plant in the hole and ensure that it is situated evenly upright.  Use the excavated soil to fill in around the root ball, using your foot to pack it in firmly. Thoroughly soak with a hose as you fill in the dirt. Take great care to not leave any gaps or air spaces around the root ball as this could kill the plant.

A 2-4 inch layer of mulch is strongly recommended to help retain moisture and discourage weed growth. Apply mulch over the entire planting area but keep away from the stems or trunk by a few inches. Ensure that the plant and surrounding soil is completely soaked with water.

To ensure the proper nutrients are available for the life of your plant our proprietary Perfect Plants Special Blend Soil and a once yearly application of Nutricote Total 360 Fertilizer are great considerations for your new plants!

5 reviews for Black Knight Butterfly Bush

4.0
Based on 5 reviews
5 star
60%
4 star
20%
3 star
0%
2 star
0%
1 star
20%
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  1. Carol Bowman (verified owner) –

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    Beautiful plant that is already making the butterflies, bees, and hummingbirds very happy. It was packaged and transported without any signs of stress.

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    • Perfect Plants (store manager) –

      Awesome news! :) We are glad you love your new Black Knight Butterfly Bush. They truly are gorgeous shrubs!

  2. Carol B. (verified owner) –

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    Our second order of this beautiful plant. Thank you .

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    • Perfect Plants –

      Hi Carol,
      Thank you for you for purchasing the Black Knight Butterfly Bush. We appreciate you supporting our family business. Enjoy your plant and stay safe!

  3. Victor E. (verified owner) –

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    Item didn’t arrive in a timely fashion. I got a notification it was delivered but it wasn’t. When I reached out to support it was a lot of back and forth and it took another week to get. As you could imagine, the plant was damaged and not in as good a shape as I would expect. Especially for $60. Will not buy again. Will not recommend to friends.

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    • Perfect Plants (store manager) –

      Hi Victor, thank you for your honest review of our Black Knight Butterfly Bush. Sometimes delays with UPS do happen and in the case of your delivery, it was transferred to USPS. We are sorry for the time delay and will honor our warranty for your butterfly bush if the unfortunate happens. We can certainly replace it for you free of charge! Please reach out to our customer support for further assistance.

  4. Don Nelson (verified owner) –

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  5. Anonymous (verified owner) –

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    Leaves were a little wilty but perked up after soaking it with water for a few days. The butterflies already love it!

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    • Perfect Plants (store manager) –

      Glad to hear that your Black Knight Butterfly Bush has recovered from some shipping shock. Enjoy watching the butterflies feast on the nectar! :)

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