Lonicera involucrata
Twinberry
- Height × spread
- 3m × 3m
- Position
- Full sun
- Hardiness
- Colder than -20C (RHS H7)
- Flowers
- Spring
Availability
Please ask in store about availability
Many plants are seasonal. Call 01234 567890 to check current stock.
About this plant
This is a hearty and easy going shrub with a spreading growth habit. The leaves are green, long ovals with toothy edges, curved up at the sides. Its chief glory is its flowers that come in spring. The flowers are small, coloured yellow and come from richly coloured deep red bracts that remain till the black berry fruits appear. It is a useful background shrub that is happy by the sea or in atmospheric pollution. It is happiest when there is moisture in the soil but can take any reasonable soil and a position in sun or light shade. It can reach 3m (10ft) in height with an equivalent spread.
- Flower colour
- Yellow
- Foliage colour
- Green
- Fruit colour
- Black
- Variegated
- No
- Scent
- No
- Shape
- Bell
- Height
- 3m
- Spread
- 3m
- Season of interest
- Spring, Summer
- Flowers in
- Spring
- Evergreen
- Deciduous
- Garden style
- Seaside garden, Prairie garden
- Sun or shade
- Likes full sun, tolerates part shade, tolerates light shade
- Soil type
- Chalk, Clay, Gravelly soil, Loam (normal), Sandy soil
- Soil pH
- Alkaline
- Drainage
- Moisture retentive soil, Damp and wet soil, Well drained soil
- Hardiness
- Colder than -20C (RHS H7)
- Borders & containers
- Borders
- Use for
- Structural, Deer resistant, Rabbit resistant, Bee attraction, Bird attraction
- Deer
- Some danger of damage by deer.
- Maintenance
- Easycare – low/no maintenance
- Hazards
- No
Spring
Spring - late · Outdoors
Feed with slow release fertiliser
Apply a general purpose slow release fertiliser, spreading it around the root area of the plant as it is coming into growth. (Or apply a liquid feed at regular intervals throughout the growing season.)
This is a simple way to provide a nutrient boost as a single annual procedure.
Spring-Autumn · Outdoors
Water to keep the soil moist
For best results, this plant needs soil that is always moist. Water deeply and regularly as soon as soil appears dry. Even for established plants in the ground, a dry week can cause problems with some soils. Check plants in pots more often, especially in hot weather. Or install an automatic irrigation system which will do the hard work for you, even when you are away on holiday.
Without regular watering some plants never fully regain their beauty.
Spring - early-mid · Planting
Prune after flowering
When the plant has flowered, cut all the flowered shoots back to healthy buds that are lower on the stems. When the plant is established, take out a quarter of the oldest branches to the ground at this time.
Planting & general
Outdoor planting · Planting
Add root growth stimulant to the planting hole
Mycorrhizal fungi helps roots establish quickly, so they absorb water and nutrients more efficiently. It comes as a powder, granule or gel. Add to the planting hole or container, and to the plant's rootball before planting in the hole. For "bareroot" plants use a gel.
Found in
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