How to Prune Snowmound Spirea
Prune your spirea after the flowers fade, the third growing season after planting. Remove dead or damaged stems at ground level. Open the center of the shrub by removing the three thickest stems at ground level. Trim off any growth that looks unwieldy.
How tall does Japanese spirea get?
Japanese spirea comes in variable sizes, depending upon the cultivar. It is typically 2 to 3 feet high and 3 to 5 feet wide, but some cultivars can go up to 5 to 6 feet high and wide.
Is Spiraea Snowmound Evergreen?
It This is an attractive evergreen shrub which provides colour and interest to the garden in autumn and winter.
Do you cut back spirea?
Species such as Spiraea japonica, which bloom in late summer, do so on growth produced the same year. Cut back all growth in early spring to around 30cm from the ground. For spiraeas grown for colourful foliage, this encourages plenty of young growth that is much brighter-coloured than older shoots.
Can I cut spirea to the ground?
To control the spirea’s size and keep it blooming year after year, you should prune it back after blooming or when it’s dormant in winter. If it’s severely overgrown, cut it to the ground to rejuvenate the shrub.
How do you take care of a spirea plant?
Keep newly planted spireas well-watered until they become established. Mature spireas are drought tolerant and only need watering when the soil becomes dry. Spireas don’t like wet feet, so avoid oversaturating the soil.
Can I trim spirea in summer?
In the spring, after the first blooms are spent, cut the dead flowers back by trimming spirea’s stem tips back to the topmost leaf on each stem. Throughout the summer, the plants shape can be maintained by cutting back overgrown spirea shoots or stems as well as any dead or diseased branches.
What can I plant with spirea?
Plants that go well with spirea are sun loving shrubs, perennials and annuals. Some of our favorite plants to grow with spirea are weigela, viburnum, loropetalum, low growing junipers and ornamental grasses.
Is Spiraea japonica invasive?
Japanese spirea is on the invasive list in many states. It grows rapidly, forming dense stands that create shade and impedes the growth of native plants, thus causing an ecological imbalance. One way to stop the spread of this plant is not to plant it at all.
What shrubs go with spirea?
They look especially good paired with bigleaf hydrangeas. Or set them near clumps of hostas that will take some sun. Since spirea blossoms are mainly flat clusters, contrast the flower shapes you plant nearby. Narrow purple spikes of salvia or upright plumes of astilbe add nice variety.
Does spirea need sun?
Spirea performs best in full sun, producing more blooms, vibrant color and brighter fall foliage. Plants can take light shade, with spring bloomers more shade tolerant than summer bloomers.
