Spiraea Snowmound Plants

Spiraea nipponica 'Snowmound' is a beautifully compact, mound-forming deciduous shrub renowned for its spectacular display of pure white flowers in late spring and early summer. When in bloom, the arching branches become so densely covered with clusters of small, bright white flowers that the foliage is almost entirely hidden, creating a stunning snowdrift effect in the garden. Outside of its flowering season, the neat, dark green foliage and graceful arching habit ensure this shrub remains an attractive feature throughout the growing year.

A recipient of the prestigious RHS Award of Garden Merit (AGM), Spiraea Snowmound is a reliable and easy-to-grow shrub that thrives in a range of garden settings. It is an excellent choice for mixed borders, informal hedging, cottage-style gardens, or as a standalone specimen plant. Its nectar-rich flowers are highly attractive to bees, butterflies and other pollinators, making it a wonderful addition to any wildlife-friendly garden.

Cultural Information:

• Botanical Name: Spiraea nipponica 'Snowmound'


• Common Names: Snowmound Spirea, Spiraea Snowmound


• Classification: Deciduous Shrub


• Fully Grown Height & Spread: 1.5–2 m × 1.5–2 m


• Growth Habit: Dense, Compact, Mound-Forming with Graceful Arching Branches


• Perfect for: Mixed Borders, Cottage Gardens, Informal Hedging, Specimen Planting, Wildlife Gardens


• Flowering Time: Late Spring to Early Summer (May–June)


• Flower Colour: Pure White, Borne in Dense Clusters Along Arching Stems


• Planting Position: Full Sun to Partial Shade


• Soil: Most Well-Drained Soils, Including Chalk, Clay, Loam and Sand


• Hardiness: Fully Hardy (RHS H6)


• Attracts: Bees, Butterflies & Other Pollinators


• Type: Hardy Deciduous Shrub


• Foliage: Small, Dark Green Oval Leaves on Arching Stems


• Pruning: Prune Lightly After Flowering to Maintain Shape and Encourage New Growth


• Award: RHS Award of Garden Merit (AGM)

What's Included:

You will receive 1 x Spiraea nipponica 'Snowmound' plant, supplied in a 2 litre pot. Plants are sent well-rooted and ready to be planted out in the garden or potted into a larger container.

Planting Tips:

Plant in a position that receives full sun to partial shade for the best flowering display. Spiraea Snowmound is tolerant of most well-drained soil types and, once established, is a low-maintenance shrub requiring only a light trim after flowering to keep its attractive compact shape.

Free UK Delivery on Every Order

All orders placed Monday–Thursday before 2pm are packed the next working day and delivered within 24 hours of dispatch.

Example: Order on Monday → packed Tuesday → delivered Wednesday.

Orders placed Friday–Sunday are packed and shipped on Monday. We don't dispatch on weekends to ensure your plants travel fresh.

How Your Plants Arrive
Every plant is individually wrapped in our plastic-free packaging and secured in a custom box designed to keep them upright and protected in transit. If anything arrives damaged, get in touch — we'll replace it.

Returns
Not happy? Contact us within 14 days of delivery and we'll sort it out. See our full returns policy here.