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Snowmound Spirea

Snowmound Spirea is a lovely loose shrub that is perfect for the cottage garden. It is easy to care for. Early summer brings showers of tiny white flowers along its branches, resembling snow on the arching branches.

While you can prune it, it is at its loveliest when allowed to grow as nature intends it. The leaves turn a pale chartreuse in fall but it is not memorable for its fall attractions.

The reddish stems contrast nicely with the leaves and blossoms. This shrub spreads up to 4 or 5 feet wide so make sure you plant it where it will have plenty of room to grow.

Landscape Ideas

snowmound spirea
Photo provided by Nature Hills Nursery
Snowmound Spirea is perfect for a cottage garden or along the edge of a woodland garden. Use it to help create a border or casual hedge.

Mass plantings are stunning during blooming. The tiny flower clusters attract butterflies to the garden. The showy blooms are great in a cut arrangement.

This plant also makes a lovely specimen plant. Put it in a mixed foundation planting or near an entrance. The fine textured foliage contrasts well with larger leaved plants. Plant in combination with Hebe 'Wiri Blush' or Loropetalum 'Razzleberri' for a lovely arrangement.

Care and Planting Tips

Snowmound Spirea is easy to maintain. Plant it where it gets full sun in decent soil. Water regularly until the plant is established.

Prune in early spring if you need to shape the plant. You can do a light pruning again after flowers are done if you like. Older stems are prime candidates for pruning to rejuvenate the plant. Cuttings can be taken during the summer for propagation.

Watch for fireblight, powdery mildew, dieback and leaf spot. It may be susceptible to scale, aphids or weevils. While all of these can affect the plant, they are not usually very serious. Treat as you would roses. This plant seems to be deer resistant in most places.

Brownish berries appear in the fall. They can easily be removed by running a gloved hand down the branch. They are a bit unsightly, though they don't hurt anything. This plant is tolerant of urban pollution and will thrive in some adverse conditions.

Spirea Information

  • Scientific Name: Spiraea nipponica 'Snowmound'

  • Best Soil: Widely adaptable

  • Light: Full sun to partial shade

  • Growth Rate: Moderate

  • Foliage: Blue-green

  • Fall Color: Chartreuse

  • Bloom: White flowers in early summer

  • Mature Size and Shape: Grows 3 to 5 feet tall and wide in a mounding shape

  • Hardiness Zone: 4 - 8

  • Plant Spacing: Plant 3 feet apart for mass plantings or hedges

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