Overview
Heptacodium is a multi-stemmed shrub or small tree shrubs in the genus Heptacodium, part of the Caprifoliaceae family, with deciduous, dark green, deeply veined leaves foliage. Heptacodium grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H6. Suggested uses include specimen plant, shrub border, privacy screen, woodland garden and pollinator garden. It is native to China.
About
Heptacodium is a deciduous shrub or small tree in the Caprifoliaceae family, known for its simple leaves with three distinct veins. It thrives in full sun on south-facing, sheltered sites with moist but well-drained loam soil of neutral pH. This multi-stemmed shrub features dark green, deeply veined foliage and produces clusters of small, fragrant, creamy-white flowers in late summer and autumn, followed by vibrant, long-lasting sepals. Suitable for specimen planting, shrub borders, and pollinator gardens, it is hardy to UK zone H6 and prefers fertile, well-drained soil.
About the genus
Heptacodium miconioides, the seven-son flower, is a species of flowering plant. It is the sole species in the monotypic genus Heptacodium, of the honeysuckle family Caprifoliaceae. The common name "seven-son flower" is a direct translation of the Standard Chinese name 七子花 qī zi huā.
Wikipedia contributors, "Heptacodium", CC BY-SA 4.0 — Heptacodium
Growing conditions
Best soil and position for Heptacodium
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H6
Plant details
Heptacodium size, habit and characteristics
- Plant type
- Shrubs
- Habit
- Multi-stemmed shrub or small tree
- Foliage
- Deciduous, dark green, deeply veined leaves
- Suggested uses
- Specimen plant, shrub border, privacy screen, woodland garden, pollinator garden
- Native to
- China
- Fragrance
- Fragrant
Care notes
Pruning and caring for Heptacodium
- Cultivation
- Prefers full sun and well-drained, fertile loam soil with neutral pH. Requires moist but well-drained conditions and benefits from sheltered, south-facing locations. Tolerates urban pollution and is relatively low maintenance once established.
- Pruning
- Prune lightly after flowering to maintain shape and remove dead or damaged wood. Avoid heavy pruning as it flowers on new growth.
- Propagation
- Seed, softwood cuttings
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
How do I grow Heptacodium?
Prefers full sun and well-drained, fertile loam soil with neutral pH. Requires moist but well-drained conditions and benefits from sheltered, south-facing locations. Tolerates urban pollution and is relatively low maintenance once established.
Where is the best place to plant Heptacodium?
Heptacodium prefers full sun. It suits sheltered positions.
What soil does Heptacodium need?
Heptacodium grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
How do I prune Heptacodium?
Prune lightly after flowering to maintain shape and remove dead or damaged wood. Avoid heavy pruning as it flowers on new growth.
Is Heptacodium hardy in the UK?
Heptacodium has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.
How do I propagate Heptacodium?
Seed, softwood cuttings.