Buddleja davidii 'Black Knight'

Buddleja davidii

'2023-11-16T12:20:59.474Z'

The Buddleja davidii 'Black Knight' is a beautiful butterfly bush with deep purple flowers that bloom from summer to autumn. The bush grows quickly and can reach a height of about 2 meters. The leaves are grey-green in color and feel soft to the touch. The flowers attract many butterflies and bees, making the garden lively. This butterfly bush thrives in full sun and well-drained soil.

Looking for a particular plant?

What is my Beeb?

  • Specialist
  • Care tips
  • Description
  • No, Buddleja davidii 'Black Knight' is not evergreen and loses its leaves in the winter. It is a deciduous garden plant.

    This plant is hardy up to approximately -15 degrees Celsius. It is advisable to protect it from severe frost in the winter. This plant can thrive well in our climate.

    The Buddleja davidii 'Black Knight' is an easy to maintain garden plant. This plant requires little maintenance and thrives well in most garden conditions. It is important to regularly prune the plant to promote healthy growth.

    The plant needs a space of about 2 meters in width to grow well. Ensure adequate air flow and sunlight for optimal growth. Regular pruning can control growth and keep the plant healthy.

    The Buddleja davidii 'Black Knight' grows best in full sun, but can also thrive in partial shade. In the shade, the plant will bloom and grow less than when it is in the sun. Ensure there is enough light for optimal growth and blooming.

    The Buddleja davidii 'Black Knight' needs about 1-2 times water per week during the growing season. Make sure the soil remains lightly moist, but not too soggy. On hot summer days, it may be necessary to water more frequently.

    Yes, this plant attracts butterflies and bees due to its beautifully scented flowers. It is a popular plant in the garden because of its ability to attract these beneficial pollinators. It is a lovely addition to a garden to promote biodiversity.

    The plant is very popular with butterflies and bees because of the nectar-rich flowers it produces. It can definitely contribute to the preservation and promotion of biodiversity in your garden. Ensure there is enough space and nutrient-rich soil for optimal growth and blooming.

    This plant blooms from July to September and blooms for about 4 to 6 weeks.

    Yes, the plant can tolerate full sun and thrives in a sunny location. It is important to give the plant enough water during hot weather. In full sun, this garden plant will thrive.

    No, it is not known that the plant is edible. It is not recommended to consume any parts of this plant. It may be toxic to humans and animals.

    Yes, the Buddleja davidii 'Black Knight' is sound-absorbing due to its dense and lush foliage. This can help to absorb and reduce noise in the environment where the plant is growing. However, it cannot provide the same soundproofing effects as specific sound-insulating materials.

  • The Buddleja davidii 'Black Knight' should be pruned back heavily in the spring to about 30 centimeters above the ground each year. Remove dead or damaged branches and prune back to a strong bud. Regular pruning promotes healthy growth and flowering.

    The Buddleja davidii 'Black Knight' requires regular watering, especially during dry periods. Ensure that the soil is well-drained to prevent root rot. Water at the base of the plant and avoid spraying the leaves to prevent fungal diseases.

    The garden plant prefers well-draining potting soil with a slightly acidic to neutral pH. Make sure the pot in which the plant is growing has drainage holes to prevent waterlogging. It is advisable to regularly fertilize the potting soil to promote growth and blooming.

    The plant thrives best in well-draining soil with average to good soil quality. Make sure the soil is not too wet to prevent root rot. Consider adding compost or organic manure to improve soil quality.

    The Buddleja davidii 'Black Knight' prefers a sunny spot in the garden. Make sure the plant receives enough light to grow and bloom well. A sheltered and well-draining soil type is ideal for this garden plant.

    This plant does not require winter protection as it is cold hardy. It is important to ensure proper drainage for the plant and avoid overwatering during the winter months. A layer of mulch can help to protect the roots from severe frost.

    The plant requires little maintenance and can thrive in dry and poor soil. Prune the plant in the spring to promote growth and prevent it from becoming too large. Remove dead flowers regularly to extend blooming.

    Plants like these benefit from regular fertilization during the growing season. Use a balanced fertilizer for flowering plants according to the instructions on the packaging. Over-fertilization should be avoided to prevent damage to the plant.

    Mulch helps in retaining moisture and suppressing weed growth. It protects the roots from extreme temperatures and improves soil conditions. For garden plants, it is recommended to apply a layer of mulch in the spring.

    The plant requires a neutral to slightly acidic soil. It is important that the soil is well-draining and that no water remains stagnant. Adding compost can help maintain the acidity of the soil.

    To combat pests in this garden plant, natural predators such as ladybugs and lacewings can help in controlling aphids and other harmful insects. Additionally, preventative measures like regularly inspecting the plant and removing affected leaves and stems can help prevent infestations. Biological pesticides such as neem oil and pyrethrin can also be used to combat stubborn pests.

  • Description

    The Buddleja davidii 'Black Knight' is a beautiful butterfly bush with deep purple flowers that bloom from summer to autumn. The bush grows quickly and can reach a height of about 2 meters. The leaves are grey-green in color and feel soft to the touch. The flowers attract many butterflies and bees, making the garden lively. This butterfly bush thrives in full sun and well-drained soil.

Any questions about your plant? Ask
them here to Professor Plantstein

Professor Plantstein

Offline
Professor Plantstein advises you; no rights can be derived from the answers.

Oopsie... It looks like you're not logged in yet

Don't worry, we make it easy for you to create an account. With an account you can save your scanned products in your own library. Log in or create an account!

What is my Beeb?

My Beeb is a list where you can store all the plants you own. This way you have all the handy care tips easily at hand!

Looking for a particular plant?

  • Scan the Plantbeeb QR code on the pot or,
  • Scan the Plantbeeb QR code on the sign or,
  • Search via magnifying glass or at find a plant via the menu at the top right.