Buddleia 'Black Knight' Butterfly Bush Flower Seeds for Planting

Low stock! Only 10 left
Buddleia 'Black Knight' is a striking ornamental shrub producing long spikes of deep purple flowers and attractive green foliage. Suitable for garden borders and landscape planting, it grows well in sunny locations with fertile, well-drained soil. Its long flowering season adds height, texture, and seasonal colour to outdoor spaces.
$16.99 USD
$16.99 USD
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Sowing Method

Sow seeds in seed trays with a light covering of soil. Keep evenly moist until germination. Transplant after seedlings become strong.

Care Instructions

Water regularly until established. Avoid waterlogging. Prune lightly after flowering. Feed with compost during the growing season.

Planting Season

Spring

Light Requirement

Full Sun

Plant Height

150–300 cm

Indoor/Outdoor

Outdoor

Planting Information

Life Cycle

Perennial

Plant Characteristics

Upright shrub with long ornamental flower spikes

Plant Type

Flower

Flavour Profile

Mild Floral Fragrance

Germination Time

21–35 Days

Fruit Size

Not Applicable

Soil Type

Fertile Well-Drained Loam

Soil pH

6.0–7.5

Spacing Between Plants

150–200 cm

Watering Needs

Moderate

Harvest Time

Not Applicable

Bloom Season

Summer to Autumn

Seeds per Pack

100

Seed Type

Open Pollinated

Yield Potential

Produces abundant ornamental flower spikes

GTIN

36002365095971
Buddleia 'Black Knight' Butterfly Bush Flower Seeds for Planting

$16.99 USD

  • ACHIEVING

    4.8

    average rating

  • With

    95%

    positive reviews

  • LESS THAN

    3%

    return rate

Why You'll Love It

  • Beginner Friendly

  • Low Maintenance

  • Climate Adaptable

  • Easy to Grow

  • Chemical-Free

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  • Testimonial

    Include a review of the product or collection left by a customer. Or perhaps it's a review of your store as whole.

    Jane Doe
    Director, Company name

  • Testimonial

    Include a review of the product or collection left by a customer. Or perhaps it's a review of your store as whole.

    Jane Doe
    Director, Company name

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