Overview
Alpinia densespicata is a clump forming conservatory greenhouse in the genus Alpinia, part of the Zingiberaceae family, with deciduous foliage. Alpinia densespicata grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H1c. Suggested uses include patio and container plants and flower borders and beds.
About
Alpinia densespicata is a cultivar of the Alpinia genus, which comprises evergreen perennials known for their ginger-scented rhizomes and slender stems that can grow up to 3 metres tall. This particular cultivar forms clumps and has deciduous foliage. It thrives in full sun on a south-facing, sheltered aspect, preferring moist but well-drained loam soil with a neutral pH. Suitable for conservatories or greenhouses, it is ideal for patio containers and flower borders. It requires watering during establishment and can be propagated by division in spring. Its season of interest is winter.
Growing conditions
Best soil and position for Alpinia
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H1c
Plant details
Alpinia densespicata size, habit and characteristics
- Plant type
- Conservatory Greenhouse
- Habit
- Clump forming
- Foliage
- Deciduous
- Suggested uses
- Patio and container plants, Flower borders and beds
Care notes
Pruning and caring for Alpinia densespicata
- Propagation
- Division in spring
- Pest resistance
- Susceptible to slugs and snails
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Alpinia densespicata?
Alpinia densespicata prefers full sun. It suits sheltered positions.
What soil does Alpinia densespicata need?
Alpinia densespicata grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
Is Alpinia densespicata hardy in the UK?
Alpinia densespicata has an RHS hardiness rating of H1c, meaning it needs a warm, frost-free position of 5–10°C and is best grown under glass in the UK.
How do I propagate Alpinia densespicata?
Division in spring.
More in the Alpinia genus
- Alpinia caerulea
- Alpinia hainanensis
- Alpinia racemigera
- Alpinia zerumbetIndian shell flower
- Alpinia romburghiana