Scientific Name:
Origanum laevigatum
'Herrenhausen'
Pronunciation:
uh-RIG-uh-num lee-vih-GAY-tum
Common Name:
ornamental oregano
Family Name:
Lamiaceae
Plant Type:
Herbaceous perennial, Semi-evergreen
Key ID Features:
Stems square in c.s., woody at base; leaves opposite, elliptic to ovate, up to 4cm long, aromatic; flowers rose-violet with reddish-purple bracts.
Habit:
Arching, Spreading, Upright
Form:
Mounded, Oval - horizontal
Texture:
Medium - fine
Mature Height:
0.4 - 0.7m
Mature Spread:
0.6 - 1.0m
Growth Rate:
Fast
Origin:
Europe, Garden origin (Turkey, Cypress)
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Humus rich, Well-drained
Water Use:
Moderate, Summer dry
Landscape Uses:
Attract beneficial insects, Attract butterflies, Container planting, Cut flower or foliage, Fragrance, Group or mass planting, Herb, Mixed shrub border, Perennial border, Rock garden, Small garden/space, Summer interest
Additional Info:
Google. Compare to the the hybrid O. 'Kent Beauty' (O. rotundifolium x O. scabra).
Leaf Morphology:
Form:
Simple
Arrangement:
Opposite
Texture/Venation:
Soft flexible, Pinnate venation
Surfaces:
Pubescent, Distinctive smell
Colour in Fall:
Green, Purple
Shapes:
Elliptic, Ovate
Apices:
Acute
Bases:
Obtuse
Margins:
Ciliate, Serrulate
Inflorescence Type:
Verticillaster, Floriferous
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Bilabiate
Ovary Position:
Superior
Colour (petals):
Showy, Purple, Pink (rose-violet with reddish-purple bracts)
Flower Scent:
Fragrant
Flower Time at Peak:
Aug, Sep
Fruit Type:
Schizocarp
Fruit Colour:
Brown
Fruiting Time:
Oct, Nov
Additional Info:
Fruit insignificant, Ovary separates into four tiny mericarps or "nutlets" that are enclosed in a persistent calyx
Bark Morphology:
Smooth
Bark or Stem Colour:
Brown
Additional Info:
stems red purple
Organ Modifications:
Leaf-like bracts
Propagation:
Seed, Cuttings, Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
Crown rot, Mites (Pest resistant, Disease resistant, Deer resistant, Rabbit resistant, Drought tolerant)
Course(s):
- HORT 2355
- Level 4 Apprenticeship
Location(s):
- (GAZ) GAZebo
- (GAZN) GAZebo North : q.1