Salvia | Black Knight Wildflowers Karl Foerster is widely used

Karl Foerster is widely used in landscape plantings in both Europe and the USA

perfect for displaying a hanging item

Grows to 6m tall and 3m wide eventually

The Royal Horticultural Society has given it its prestigious Award of Garden Merit (AGM)

Cut back to 20 cm or so in spring and mulch with compost to keep it happy

Salvia | Black Knight Wildflowers Karl Foerster is widely usedSalvia 'Black Knight' is a stunning perennial plant known for its striking dark purple to nearly black flowers that bloom throughout the summer. The plant typically grows to a height of about 60 to 90 cm and has a bushy, upright habit. Its leaves are dark green, lance shaped, and aromatic when crushed, adding to the overall appeal of the plant. The flowers of Salvia 'Black Knight' are particularly attractive to pollinators like bees and butterflies,