Plant Library

An index of the perennial plants grown and offered at Glenraven.

Echinacea 'F.S. Super Star'

Echinacea 'F.S. Super Star'

Coneflower

10365769548087|Echinacea 'F.S. Super Star'|Coneflower|

A Free Spirit introduction of coneflower with distinctive characteristics. Forms clumps with sturdy upright stems. The prominent central cones provide extended interest into winter. Combines well with ornamental grasses and prairie perennials.

Drought-tolerant once established like other echinaceas. Attracts butterflies and provides valuable seed for birds. The sturdy habit eliminates staking needs. Suitable for prairie gardens, naturalistic plantings, and borders. Self-supporting stems maintain good structure.

|July–Sept|purple pink|green|upright clump|prairie gardens; with grasses; naturalistic borders|100|50|full sun|average|well-drained|low|Free Spirit introduction; attracts butterflies; winter seed for birds; drought-tolerant; self-supporting|yes|summer bloom; prominent cones persist winter; butterfly and bird value|butterflies; birds|3||sturdy upright; prominent cones; Free Spirit introduction; butterfly attractor; drought-tolerant; prairie plant|//glenravennursery.com/cdn/shop/files/placeholder_portrait.png?v=1766878564&width=800|
Echinacea pallida

Echinacea pallida

Pale Purple Coneflower

10365769580855|Echinacea pallida|Pale Purple Coneflower|

The narrow drooping ray flowers create dramatic effect in group planting between grasses like sporobolus and molinia. Distinguished from narrow-leaf coneflower by having white pollen. Has open habit making it important to situate well without suffering competition. If sun cannot penetrate to base, flowering subsides and plant rapidly fades.

Native to central United States prairies. The distinctive drooping rays create unique effect. Requires good air circulation and sun to base of plant. Combines beautifully with prairie grasses. More refined appearance than typical coneflowers. The open habit requires appropriate placement and companions. White pollen distinguishes it from similar species.

|July–Sept|pale pink|green|upright open|prairie gardens; with grasses; appropriate placement critical|90|45|full sun|average|well-drained|moderate|white pollen distinguishes; needs sun to base; open habit requires good placement; native prairies; dramatic drooping rays|yes|summer bloom; dramatic drooping rays; refined appearance|butterflies; pollinators|3||narrow drooping rays; dramatic effect; white pollen; open habit; requires sun to base; prairie native|//glenravennursery.com/cdn/shop/files/placeholder_portrait.png?v=1766878564&width=800|
Echinacea purpurea

Echinacea purpurea

Purple Coneflower

10365769613623|Echinacea purpurea|Purple Coneflower|

The classic purple coneflower with magenta-pink ray flowers drooping around prominent orange-brown central cone. Forms substantial clumps with sturdy upright stems. Native to eastern North American prairies and open woodlands. The species from which many cultivars are derived.

Drought-tolerant once established. Attracts abundant butterflies and provides valuable seed for goldfinches. The prominent cones persist through winter adding structural interest. Suitable for prairie gardens, naturalistic plantings, and perennial borders. Self-supporting on sturdy stems. Long-lived and reliable native plant. Easy from seed.

|July–Sept|magenta pink|green|upright clump|prairie gardens; native plantings; naturalistic borders; with grasses|100|50|full sun|average|well-drained|low|native E N America; attracts butterflies; winter seed for birds; drought-tolerant; long-lived; easy from seed|yes|summer bloom; magenta-pink; prominent cones persist winter; butterfly and bird value|butterflies; goldfinches|3||magenta-pink rays; prominent orange-brown cones; prairie native; butterfly magnet; winter structure; sturdy|//glenravennursery.com/cdn/shop/files/placeholder_portrait.png?v=1766878564&width=800|
Echinacea purpurea 'Rubinstern'

Echinacea purpurea 'Rubinstern'

Coneflower

10365769646391|Echinacea purpurea 'Rubinstern'|Coneflower|

A purple coneflower selection with ruby-red tones to the ray flowers. Forms clumps with sturdy upright stems. The prominent central cone provides extended interest. Native to North American prairies but cultivated selection with improved colour.

The ruby-red colour provides deeper tones than typical purple coneflowers. Drought-tolerant once established. Attracts butterflies and provides seed for birds. The sturdy stems are self-supporting. Combines well with ornamental grasses and prairie plants. The prominent cones persist into winter adding structural interest.

|July–Sept|ruby red|green|upright clump|prairie gardens; with grasses; naturalistic borders|100|50|full sun|average|well-drained|low|deeper ruby-red color; sturdy self-supporting; attracts butterflies; winter cones; drought-tolerant|yes|summer bloom; ruby-red; prominent cones; butterfly attraction|butterflies; birds|3||ruby-red tones; sturdy upright; prominent cones; deeper color; prairie native; butterfly attractor|//glenravennursery.com/cdn/shop/files/placeholder_portrait.png?v=1766878564&width=800|
Echinacea purpurea 'Virgin'

Echinacea purpurea 'Virgin'

Coneflower

10365769679159|Echinacea purpurea 'Virgin'|Coneflower|

The pure white ray flowers are distinctly shorter and more plentiful than other selections and neatly arranged around central green cone. A picture-perfect display of elegance. Selected by Piet Oudolf for its sturdy habit and longevity. Currently being trialed hoping for same strength displayed in 'Green Jewel'.

The compact ray flowers create fuller appearance than typical coneflowers. The neat arrangement provides refined look. The green cone distinguishes it from brown-coned forms. Suitable for front to middle border positions. The sturdy habit eliminates staking needs.

|July–Sept|white|green|upright clump|borders; cottage gardens; refined plantings|90|45|full sun|average|well-drained|low to moderate|Piet Oudolf selection; sturdy and long-lived; short plentiful rays; picture-perfect; being trialed|yes|summer bloom; pure white; green cone; refined appearance|butterflies; pollinators|3||pure white; short plentiful rays; green cone; picture-perfect elegance; Piet Oudolf selection; sturdy habit|//glenravennursery.com/cdn/shop/files/633BE087-0166-4531-846F-1E9960F0CDCC_1_102_o.jpg?v=1767571213&width=800|
Echinacea purpurea 'White Swan'

Echinacea purpurea 'White Swan'

Coneflower

10365769711927|Echinacea purpurea 'White Swan'|Coneflower|

A white-flowered seed strain displaying clean-white flowers with large central cones that provide interest into early winter. The seed strain shows some variability but maintains white colour. The large cones are prominent ornamental feature. Native to North American prairies.

Great Plant Pick selection. The white flowers provide alternative to typical purple coneflowers. The prominent cones extend ornamental period into winter. Combines well with ornamental grasses and prairie plants. Attracts butterflies and provides winter seed for birds. Drought-tolerant once established. Self-supporting stems.

|July–Sept|white|green|upright clump|prairie gardens; with grasses; naturalistic borders; winter interest|100|45|full sun|average|well-drained|low|GPP; seed strain with some variability; large cones for winter; attracts butterflies; drought-tolerant; native|yes|summer bloom; white flowers; large cones persist into winter|butterflies; birds|3||clean white flowers; large central cones; seed strain; winter interest; prairie native; GPP|//glenravennursery.com/cdn/shop/files/placeholder_portrait.png?v=1766878564&width=800|
Echinops ritro 'Veitch's Blue'

Echinops ritro 'Veitch's Blue'

Globe Thistle

10365769744695|Echinops ritro 'Veitch's Blue'|Globe Thistle|

Excellent border thistle with deep vertical traveling rootstock. Forms mound of bristly leathery leaves, dark green above and silvery-white beneath. The lowest and darkest flowering globe thistle, displaying multitude of globe-shaped flowers on well-branched sturdy stalks. Makes excellent cut flower fresh or dried. This is the Real McCoy.

Great Plant Pick selection. The deep blue colour is darkest in the genus. The vertical rootstock makes it less spreading than some globe thistles. The contrasting leaf surfaces add interest. Excellent for cutting fresh or dried. The spherical flowers attract abundant pollinators. Self-supporting on sturdy stems.

|July–Aug|deep blue|dark green silvery beneath|upright clump|borders; cutting gardens; with grasses; dry sites|100|50|full sun|average|well-drained|low|GPP; darkest globe thistle; vertical rootstock; excellent fresh or dried cutting; Real McCoy; self-supporting|yes|summer bloom; dark blue spheres; attractive foliage|pollinators; bees|4||darkest blue; globe-shaped flowers; bristly leathery leaves; silvery beneath; excellent for cutting; GPP|//glenravennursery.com/cdn/shop/files/placeholder_portrait.png?v=1766878564&width=800|
Echium amoenum 'Red Feathers'

Echium amoenum 'Red Feathers'

Viper's Bugloss

10365769777463|Echium amoenum 'Red Feathers'|Viper's Bugloss|

A biennial echium with red flowers held on upright spikes. Forms basal rosettes of hairy foliage the first year with flowering stems appearing the second season. Self-seeds to create continuing display. The red flowers are unusual in the typically blue echium genus.

Requires well-drained soil and full sun. Native to Caucasus region. The red colour provides alternative to blue echiums. Suitable for gravel gardens and Mediterranean plantings. Self-seeding maintains population. The hairy foliage is characteristic of the genus. Short-lived but reliably self-seeding where happy.

|June–July|red|gray green|upright biennial|gravel gardens; Mediterranean gardens; well-drained sites|60|30|full sun|dry|well-drained|low to moderate|biennial; self-seeds to maintain; red unusual in genus; Caucasus native; hairy foliage|moderate|summer bloom; red spikes; self-seeding biennial|pollinators; bees|6||red flowers; upright spikes; hairy foliage; biennial; self-seeding; unusual red color in genus|//glenravennursery.com/cdn/shop/files/placeholder_portrait.png?v=1766878564&width=800|