Origanum laevigatum (Ornamental Oregano)


Botanical Information

FamilyLamiaceae
GenusOriganum
Specieslaevigatum
CategoryPerennials
OriginThe genus name comes from the Greek word 'oros', meaning mountain and 'ganos', which means joy.
Ethnobotanical Uses
Disclaimer
Origanum was used in Ancient Egypt in cooking and medicine.

Details

USDA Hardiness Zone1a - 6a
USDA Hardiness Ref.
Canadian Hardiness Zone0a - 5b
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Temperature (°C)-51 - (-21)
Temperature (°F)-60 - (-5)
Height30 - 50 cm
Spread1 m +
GrowthFast
Flowering PeriodJuly

Description and Growing Information

General DescriptionOriganum laevigatum is a perennial herb with glabrous stems, aromatic leaves and purple flowers in clusters.
LandscapeUse in an herb garden or as a low ground cover. Often used in scree beds (slopes covered with small, loose stones).
PropagationBy seed sown in early spring at 10° - 30° C. Also by softwood cuttings 5 - 8 cm in length taken in early summer, potted individually, overwintered away from the risk of frost and planted outside the following spring.
CultivationPlant in an open, sunny location, 30 cm apart, in spring. Soil should be well-drained and slightly alkaline. Cut back flowered stems.
Leaf DescriptionUp to 3 ⨉ 1.7 cm, ovate to elliptic, leather-like. Should be harvested just before buds open. Can be kept frozen or dried and used in cooking.
Flower DescriptionPetals are purple.

Photographs