Plant Library

An index of the perennial plants grown and offered at Glenraven.
All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Olearia moschata

Olearia moschata

Musk Daisy Bush

10365773807927|Olearia moschata|Musk Daisy Bush|

A New Zealand shrub with aromatic foliage and daisy-like flowers. Forms compact mounds suitable for borders and rock gardens. The musk-scented leaves are attractive when touched. Small white flowers appear in clusters.

Requires excellent drainage and protection from hard frost. Suitable for milder coastal gardens. The aromatic foliage and compact habit make it valuable for well-drained positions. May need winter protection in colder areas. The New Zealand origin suggests preference for moderate climates.

|June–July|white|gray green|compact mound|rock gardens; well-drained borders; mild coastal gardens|50|50|full sun|average|excellent drainage required|moderate|aromatic foliage; needs excellent drainage; may need winter protection; New Zealand native|moderate|summer bloom; aromatic foliage year-round|pollinators|8||aromatic musk-scented foliage; white daisy flowers; compact mounds; New Zealand shrub; needs good drainage|//glenravennursery.com/cdn/shop/files/placeholder_portrait.png?v=1766878564&width=800|
Origanum 'Kent Beauty'

Origanum 'Kent Beauty'

Oregano

10365773840695|Origanum 'Kent Beauty'|Oregano|

A hybrid oregano with hop-like bells drooping from wiry stem tips. Tiny lilac-blue flowers peek from between pink-blushed scales creating a festive quality. The flowers work well in small arrangements, both fresh and dried. The blue-cast green foliage is mildly scented.

Superior drainage is essential for survival in wet coastal climates. Perfect tucked into sunny walls, rockeries, or summer patio containers. Resulted from crossing O. rotundifolium with O. scabrum. RHS Award of Garden Merit. The unique hop-like flowers distinguish it from other oreganos.

|June–Oct|lilac blue with pink|blue-green|trailing mound|rockeries; walls; containers; very well-drained sites|20|30|full sun|dry|superior drainage essential|low to moderate|AGM; requires superior drainage; good for containers and walls; hybrid origin; fresh or dried flowers|yes|summer to fall bloom; unique hop-like flowers; good for arrangements|pollinators|6||hop-like drooping bells; pink-blushed scales; lilac-blue flowers; fresh or dried arrangements; excellent drainage required; hybrid|//glenravennursery.com/cdn/shop/files/placeholder_portrait.png?v=1766878564&width=800|
Origanum laevigatum 'Pilgrim'

Origanum laevigatum 'Pilgrim'

Oregano

10365773873463|Origanum laevigatum 'Pilgrim'|Oregano|

An ornamental oregano with dense clusters of flowers from midsummer into fall. The blossoms are held in compact arrangements on wiry stems above aromatic foliage. Plants form neat mounds that work well in borders and rock gardens.

Requires well-draining soil and full sun for best performance. The extended flowering period and aromatic foliage make it valuable for sunny, well-drained positions. Deer-resistant like other oreganos. Combines well with Russian sage, persicarias, sedges, and calaminthas. The long blooming season provides continuous interest.

|July–Sept|purple pink|green|low mound|borders; rock gardens; well-drained sites|35|45|full sun|dry to average|well-draining soil|low|deer-resistant; requires excellent drainage; long flowering; aromatic|yes|summer to fall bloom; aromatic foliage|pollinators|5||dense flower clusters; long blooming; aromatic foliage; neat mounds; deer-resistant; well-draining required|//glenravennursery.com/cdn/shop/files/placeholder_portrait.png?v=1766878564&width=800|
Orlaya grandiflora

Orlaya grandiflora

White Laceflower

10365773906231|Orlaya grandiflora|White Laceflower|

Technically an annual but reliably returns through self-seeding in appropriate conditions. Flat white umbels feature small inner flowers with enlarged ray flowers along outer edges creating a sublimely lacy effect. Often germinates in fall, overwintering with finely textured foliage rosettes.

Requires full sun and hot, dry summer conditions for best performance. Once established with fresh seed in suitable location, returns reliably each year. Seedlings appear in unexpected places but are always welcome. Excellent cut flower. Native to Mediterranean Europe. RHS Award of Garden Merit.

|May–Aug|white|green|upright annual|sunny hot sites; gravel gardens; Mediterranean gardens|60|40|full sun|dry|full sun hot and dry|low|self-seeds reliably in full sun and dry conditions; AGM; technically annual but returns; excellent cut flower|moderate|summer bloom; lacy effect; self-seeding habit|pollinators|6||lacy white umbels; self-seeding annual; enlarged ray flowers; fall germination; excellent cut flower; Mediterranean native|//glenravennursery.com/cdn/shop/files/placeholder_portrait.png?v=1766878564&width=800|