Spiraea japonica Shirobana (Japanese Spirea) 1.5l

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Japanese Spirea

Spiraea 'Shirobana' is a colourful dwarf shrub ideal for pots, producing masses of pretty pink and white flowers.

It's low-mounding habit also makes it an excellent choice for small gardens and mixed borders. You can enjoy low-maintenance colour throughout summer from its dense clusters of flowers, which open from red buds, then gradually change from pink to white as they age. The lovely flowers just keep on coming throughout summer and well into autumn and with these continuous blooms in their different stages of development you end up with a fantastic tri-colour plant! The tightly packed flower clusters of Spiraea are really good for bees and also attract butterflies making this a great variety for any wildlife or cottage-style garden. Being a dwarf form, you get all the benefits of a larger spirea, including long-lasting flowers, outstanding resilience, good hardiness and self-sufficiency but on a much smaller scale - handy if you have more confined spaces to fill.

Fill pots or gaps in borders with this useful, low-maintenance compact shrub and enjoy its colourful flowers all summer long.

Key Features

Plant Type: Shrub

Hardiness: H4 Hardy. Minimum temperature -10 to -5.

Plant Height & Spread (at maturity): H 60cm xW 60cm (Mature age: 10 Years)

Foliage Colour: Green

Flower Colour: Pink, White

Fragrant Flower: No

Aromatic Foliage: No

RHS Award of Garden Merit: No

RHS Perfect for Pollinators: Yes

Foliage Type: Deciduous

Soil Type: Acid, Alkaline, Chalky, Loam, Sandy

Soil Drainage: Well Drained, Moist but Well Drained

Light Exposure: Full Sun, Part Shade

Planting Style: Flower Beds & Borders, Urban Garden, Courtyard Garden, Coastal Garden, Informal Garden, Wildlife Garden, Low Maintenance Garden

Season of Interest: Summer, Autumn

Flowering (from - to): June - October

Plant Care & Advice

Spirea 'Shirobana' likes a sunny location and is best suited to a sunny border or container in a sunny position, but they also do very well in partial shade. This unfussy shrub is suitable for most locations, both exposed or enclosed.

This variety will thrive in most soil types, but particularly likes a free-draining soil. Plant it in a border in a space of around 1m or in a large container with a soil-based compost.

After planting, water the plant in and continue to water regularly throughout the first summer season. Once established, spirea will not require regular watering unless planted in a pot, in which case it will need watering whenever the soil is dry.

It's not necessary to feed spireas, although you can give them an occasional feed with an all-purpose liquid feed during summer to boost overall plant health.

Once established, cut back the stems hard in the autumn after flowering to restore its shape and prevent it from becoming too dense. Remove all the of the oldest, thickest stems right at the base and leave the younger, thinner ones in place until the following year.

Deadhead any remaining stems in autumn.