Overview
Hoya arnottiana is a climbing, trailing climber wall shrub in the genus Hoya, part of the Apocynaceae family, with evergreen, semi-succulent foliage. Hoya arnottiana grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H2. Suggested uses include houseplants, conservatories and greenhouses.
About
Hoya arnottiana is a cultivar of the Hoya genus, which comprises evergreen perennials often growing as twining climbers. This cultivar features semi-succulent, evergreen foliage and thrives in full sun with a sheltered aspect, ideally south- or west-facing. It is suited to cultivation in fertile, well-drained loam soil with a neutral pH. Hoya arnottiana is hardy to UK zone H2 and is commonly grown as a houseplant or in conservatories and greenhouses. It requires support for its climbing habit and can be propagated by semi-hardwood cuttings or layering, with winter being a season of interest.
About the genus
Hoya is a genus of over 500 species of plants in the dogbane family, Apocynaceae, commonly known as waxflowers. Plants in the genus Hoya are mostly epiphytic or lithophytic vines, rarely subshrubs, with leathery, fleshy or succulent leaves, shortly tube-shaped or bell-shaped flowers with five horizontally spreading lobes, the flowers in umbels or racemes, and spindle-shaped or cylindrical to oval follicles containing flattened egg-shaped to oblong seeds.
Wikipedia contributors, "Hoya (plant)", CC BY-SA 4.0 — Hoya (plant)
Growing conditions
Best soil and position for Hoya
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H2
Plant details
Hoya arnottiana size, habit and characteristics
- Plant type
- Climber Wall Shrub, Conservatory Greenhouse, Houseplants
- Habit
- Climbing, Trailing
- Foliage
- Evergreen, Semi-succulent
- Suggested uses
- Houseplants, Conservatories, Greenhouses
Care notes
Pruning and caring for Hoya arnottiana
- Propagation
- Semi-hardwood cuttings, Layering
- Pest resistance
- Mealybugs
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Hoya arnottiana?
Hoya arnottiana prefers full sun. It suits sheltered positions.
What soil does Hoya arnottiana need?
Hoya arnottiana grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Hoya arnottiana hardy in the UK?
Hoya arnottiana has an RHS hardiness rating of H2, meaning it is tender, tolerating 1–5°C, and needs frost-free protection over winter.
How do I propagate Hoya arnottiana?
Semi-hardwood cuttings, Layering.
