Ornatec InternationalSpecies reference sheet · ornatecinternational.com
Plectranthus 'Mona Amethyst'
Mona Amethyst Spur Flower
The Plectranthus 'Mona Amethyst', commonly known as Mona Amethyst Spur Flower, is a vibrant and compact perennial that dazzles with its deep purple, tubular flowers and contrasting dark green, glossy leaves with purple undersides. Blooming profusely from late summer into autumn, this low-maintenance plant thrives in shaded to partially sunny areas, adding rich colour to gardens or containers. Growing up to 50 to 60 cm tall and wide, it is perfect for borders, mass planting, or indoor displays.
Specifications
- Height50 to 60 cm
- Width50 to 60 cm
- Native toSouth Africa (cultivar origin)
- FoliageGlossy, dark green leaves with purple undersides; evergreen in mild climates
- Growth rateFast
Conditions
- SoilPrefers well-drained, fertile soils enriched with organic matter
- LightPartial shade to bright, indirect light; tolerates morning sun
- WaterModerate; keep soil consistently moist but not waterlogged
- ClimateThrives in temperate, subtropical, and indoor environments
Additional Features
- FlowersDeep purple, tubular blooms; late summer to autumn
- FormCompact, bushy habit with dense foliage
- UsesIdeal for borders, containers, mass planting, or as a houseplant
- SpacingPlant 40 to 50 cm apart for dense coverage or standalone displays
- Low MaintenanceRequires minimal care; deadhead spent blooms for continuous flowering
- Pest ResistanceGenerally pest-free; monitor for aphids or whiteflies indoors
- Drought ToleranceModerate once established; regular watering ensures lush growth
- Frost SensitivityProtect from frost; suitable for overwintering indoors in cooler climates
- Wildlife AttractionFlowers attract bees and butterflies
- Seasonal AppealEvergreen foliage with vibrant, seasonal floral displays
- VersatilityComplements cottage, contemporary, and tropical garden styles
Mona Amethyst Spur Flower is a showy and adaptable plant, perfect for adding rich colour and low-maintenance beauty to shaded or partially sunny garden spaces and indoor décor.
Availability by project review. Sizes, quantities, origin and export readiness are confirmed after your plant schedule is reviewed against destination, timing and quarantine requirements. MEWA certified for supply into Saudi Arabia; Australian Export Registered Establishment.
Enquiries: sales@ornatecinternational.com
310 Donkin Rd, Utchee Creek QLD 4871, Australia
Prepared 24 August 2026