Echinacea purpurea 'White Swan'
Overview
Uses: Perennial borders, pollinator and wildlife gardens, cutting gardens, meadow-style plantings, mass plantings and drifts.
Benefits: One of the oldest and most reliable white coneflowers, with broad reflexed petals around a coppery cone. It is sturdier and better branched than most white selections, holds up in heat and drought, and its seed heads feed finches well past the first frost.
USDA Hardiness Zones: 3–8
Sun: Full Sun
Life Cycle: Hardy Perennial
Growth Habit: Upright, Clumping — sturdy, well-branched clump
Bloom Color: White
Mature Height: 2–3 ft.
Mature Width: 1.5–2 ft.
Bloom Season: Midsummer into early fall
Growth Rate: Moderate
Summary
'White Swan' has been in the trade since the 1980s and has outlasted a long parade of newer white coneflowers, mostly because it is dependable. It comes back every year, it does not need staking in reasonable soil, and it does not sulk in a hot dry August.
The flower is the classic coneflower shape rather than the flat, formal look of newer hybrids: creamy white petals that sweep back from a raised copper-orange center, held on strong stems about two feet up. In a mixed border white does something no other color does — it separates and quiets everything around it, which is why it reads so well next to strong purples, magentas, and hot oranges.
It is also one of the better cut flowers among the perennials, lasting a week or more in a vase. Leave the last flush on the plant instead, though, and the cones become a winter feeding station for goldfinches.
Care
White Swan Coneflower Care
Plant in full sun in average, well-drained soil. Coneflowers tolerate poor and rocky ground far better than rich ground; the only real failure mode is soil that stays soggy over winter.
Water consistently through the first season while the taproot goes down. After that, water only in extended drought — established plants are notably self-sufficient.
Fertilizer is optional and easy to overdo. Heavy feeding produces floppy stems and fewer flowers. If the soil is genuinely thin, one light spring application of slow release fertilizer covers the year.
Deadheading extends the bloom season by a few weeks. Stop by early fall and let the cones stand through winter for the birds and for the structure, then cut back to a few inches in early spring. Divide only if the center of the clump thins out, roughly every four to five years.
Size
What Size is the White Swan Coneflower for Sale Online?
Our White Swan Coneflower ships in a greenhouse-grade grow pot and is appropriately sized for its container at the time of shipment. If you have specific sizing or planting questions, please contact us.
How Large Does White Swan Coneflower Grow?
White Swan Coneflower typically reaches two to three feet tall in flower and about eighteen to twenty-four inches wide. It reaches full size in its second season and stays in bounds rather than running.
Additional Information
Does it come true from seed?
It is an open-pollinated seed strain, so seedlings are mostly white but a few can come out pale pink or off-type. If you want the planting uniform, remove volunteer seedlings and keep the original clumps.
How does it compare to PowWow Wild Berry?
Different jobs. White Swan is taller, more upright, and better as a cut flower and a mid-border plant. PowWow Wild Berry is half the height, more branched, and better at the front edge or in a container.
Is it a native plant?
It is a nativar — a white-flowered selection of Echinacea purpurea, native across much of the central and eastern United States. Pollinators use it exactly as they use the wild form. See our Native Plants of North America collection for more.
Do the seed heads need to be removed?
Not for the health of the plant. Leaving them standing feeds goldfinches through winter and adds structure to a bare border. The tradeoff is some self-seeding, which is easy enough to edit out in spring.
Will deer bother it?
Rarely. Coneflowers are one of the more consistently ignored perennials. Our Deer-Resistant Perennials and Grasses collection has more for exposed sites.
