Overview
Hoya carnosa 'Mauna Loa' (v) is a climbing, trailing climber wall shrub in the genus Hoya, part of the Apocynaceae family, with evergreen, semi-succulent foliage. Hoya carnosa 'Mauna Loa' (v) 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 carnosa 'Mauna Loa' is a cultivar of the Hoya genus, which comprises evergreen perennials often growing as twining climbers. This cultivar features evergreen, semi-succulent foliage and thrives in full sun on south- or west-facing, sheltered aspects. It is suited to well-drained, neutral loam soil and is hardy to UK zone H2. Typically grown as a houseplant or in conservatories and greenhouses, it flowers in spring and summer, producing fragrant blossoms with five waxy petals. Cultivation requires fertile soil with roots kept in shade, and propagation is achieved through semi-hardwood cuttings or layering.
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 carnosa 'Mauna Loa' (v) 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 carnosa 'Mauna Loa' (v)
- Propagation
- Semi-hardwood cuttings, Layering
- Pest resistance
- Mealybugs
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Hoya carnosa 'Mauna Loa' (v)?
Hoya carnosa 'Mauna Loa' (v) prefers full sun. It suits sheltered positions.
What soil does Hoya carnosa 'Mauna Loa' (v) need?
Hoya carnosa 'Mauna Loa' (v) grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Hoya carnosa 'Mauna Loa' (v) hardy in the UK?
Hoya carnosa 'Mauna Loa' (v) 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 carnosa 'Mauna Loa' (v)?
Semi-hardwood cuttings, Layering.
