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Tosa spirea Snowmound
Spiraea Nipponica Snowmound
Appreciated for its late flowering, the Tosa spirea Snowmound or Spiraea Nipponica Snowmound becomes spectacular in late spring: its elegant, arching branches fall under the weight of a superb cascade of pure white flowers. Resistant to disease and pests, this vigorous variety is also...
Description
Height at maturity
1,80 - 2 m
Wingspan at maturity
1,80 - 2,50 m
Exposure
Sun, partial shade
Flowering
June to July
Hardiness
-30°C
Origin
Japan
Tosa spirea 'Snowmound' – Spiraea nipponica 'Snowmound'
Origins and characteristics
Native to Japan, Spiraea nipponica belongs to the Rosaceae family. The 'Snowmound' cultivar is known for its elegant arching habit, late flowering and excellent hardiness.
Description and particularities
Adult height: 1.50 to 2 m.
Adult spread: 1 to 2 m.
Habit: Spreading, gracefully arching, bushy.
Foliage: Deciduous; dark green with bluish tones, turning golden yellow in autumn.
Flowering period: May to June.
Flowers: White corymbs about 4 cm across, highly attractive to pollinators.
Fruits: Small, discreet capsules in late summer.
Hardiness: Excellent, down to about -30 °C.
Exposure and soil
Exposure: Full sun or partial shade.
Soil: Ordinary, fresh, well‑drained; tolerates poor and calcareous soils.
Tolerance: Very resistant to diseases, insects and moderate drought.
Planting
Season: Autumn or spring.
Preparation: Loosen the soil; add compost in poor soils.
Spacing: 1 to 1.50 m depending on the desired effect.
Watering
At planting: Water regularly to ensure establishment.
When mature: Low maintenance; water only during prolonged drought.
Pruning
When: After flowering.
Advice: Cut back spent flowering stems by one third to maintain shape and encourage future blooms.
Propagation
Semi‑ripe cuttings in summer.
Garden uses
Positions: Shrub borders, informal flowering hedges, lawn specimen, large terrace containers.
Disease resistance
Susceptibility: Very robust, rarely affected by pests or diseases.
Prevention: No special care required; prefer well‑drained soil.
Tips for good development
Plant in full sun for best flowering, water moderately after planting, prune after flowering, enrich soil in spring with compost, and mulch in summer to retain moisture.
Features
- Common name : Tosa spirea Snowmound
- Family : Rosaceae
- Category : shrub
- Spread : 1,80 - 2,50 m
- Foliage : deciduous
- Color of flowers : white
- Use : rock garden - shrubbery - hedge - isolated
- Soil : rich and well-drained
- Habit : Spreading
- Earth to use : universal potting soil/garden soil/compost
- Enemies : nothing to report
- Possible diseases : resistant to diseases
Expédition & livraison
How does the delivery work?
As soon as you place your order your plants are selected
Each order is processed individually.
Plants are packed, staked and labeled.
Packaging is carefully implemented to avoid any problems.
Packages are ready to be shipped.
Our delivery methods
Shipping of our plants throughout Europe (except overseas and islands).
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