Scabiosa atropurpurea ‘Black Knight’
Overview
Uses: Cut flower gardens, mixed borders, pollinator plantings, cottage-style landscapes, and seasonal color beds.
Benefits: Velvety, deep maroon blooms that appear nearly black create striking contrast in garden compositions. Tall, slender stems make this variety exceptional for cutting, while steady flowering and strong pollinator appeal add lasting seasonal interest.
USDA Hardiness Zones: Annual
Sun: Full Sun
Life Cycle: Annual
Growth Habit: Upright, Clumping — slender stems rising above basal foliage.
Bloom Color: Deep Maroon
Mature Height: 24"–36"
Mature Width: 12"–18"
Bloom Season: Mid-Summer–Fall
Growth Rate: Fast
Summary
A dramatic annual that brings depth and contrast to summer gardens.
Scabiosa atropurpurea ‘Black Knight’ is prized for its rich, near-black blooms that add sophistication to borders and floral arrangements alike. The pincushion-style flowers rise on tall, wiry stems, creating movement and texture while pairing beautifully with lighter pastels or vibrant summer tones.
Blooming steadily from mid-summer into fall, this variety performs reliably in sunny beds and cutting gardens. Its upright habit and extended flowering window make it a favorite for seasonal color schemes, cottage-style plantings, and pollinator-friendly designs.
Care
Pincushion Flower ‘Black Knight’ Care
Plant in full sun for the strongest stems and most abundant flowering.
Prefers well-drained soil enriched with compost or organic matter. Good drainage is essential for healthy growth.
Water regularly during establishment, then maintain consistent moisture during dry periods. Avoid prolonged soggy conditions.
Incorporate a slow release fertilizer at planting and reapply lightly mid-season to support continuous blooming.
Deadhead spent flowers to extend the bloom period and encourage additional buds.
Size
What Size is the ‘Black Knight’ Scabiosa for Sale Online?
Plants are shipped in greenhouse-grade grow pots and are actively growing at the time of shipment. Size may vary slightly depending on the season. If you have specific questions before ordering, please contact us.
How Large Does ‘Black Knight’ Scabiosa Grow?
This variety typically reaches 24 to 36 inches tall and spreads 12 to 18 inches wide, forming an upright clump of flowering stems.
Additional Information
What are some common names for this plant?
- Pincushion Flower
- Sweet Scabious
- Mourning Bride
Is ‘Black Knight’ good for pollinator gardens?
The nectar-rich blooms attract butterflies and other beneficial insects throughout the growing season. It blends well with other selections from our Annuals collection for extended summer color.
How does this variety compare to lighter scabiosa types?
‘Black Knight’ is valued for its unusually deep maroon flowers, which appear nearly black in certain light. This darker tone provides strong contrast when paired with softer pinks, whites, or pastel blooms in mixed borders.
Is this plant suitable for cottage-style gardens?
Yes. Its airy stems and romantic flower form make it a natural fit in informal plantings and layered borders. It pairs beautifully with other selections from our Perennials collection for a full, textured look.
