Spiraea japonica

Spiraea japonica
Spiraea japonica 
Japanese spiraea
SIZE/TYPE medium-sized shrub
USUAL HEIGHT 0.5-1.5m
USUAL WIDTH 0.5-1.5m
LEAVES deciduous broadleaf
COLOUR OF LEAVES green
FLOWERS showy
COLOUR OF FLOWERS pink
BLOOMING TIME June - August
LOCATION full to partial sun
USDA zone (lowest) 4   (down to -34°C)
WINTER PROTECTION  
FOR ZONE 5+6 Code of winter protection zone 5+6
FOR ZONE 7 Code of winter protection zone 7
BELONGS TO CATEGORIES Deciduous broadleaf
Summer blooms
Hedging plants
náhled fotonáhled fotonáhled foto
Spiraea is a common shrub of Central-Europeans parks. This low-maintenance plant is available in many species and varieties each of which offers a different feature. Even though public plantings often offer the same one over and over, and the only job done to avoid absolute neglect is radical pruning to bizarre shapes that don’t suit this plant at all, spiraea can be a pretty plant if used sporadically and well located in the garden.

Japanese spiraea is possibly the most used species that has many varieties and colours. The main species makes upright and dense shrubs about 1.5 tall with profusion of medium pink flowers from late June until late August. If regularly deadhead, at least once a week, the shrub will continue looking pretty and fresh without those ugly and dry seedpods. Moreover, blooming can be extended to early September this way. Leaves are deciduous, rich green, narrowly ovate to lance-shaped

Spring pruning will encourage new growths and the plant will get thicker and will flower more profusely. You can cut off up to two thirds of previous year’s growth or trim the twigs to achieve a desired shape. It is widely soil adaptable but does best in slightly acidic, fertile, constantly moist soil in full sun. Fully hardy to about -34°C (USDA zone 4) and suitable for outdoor pots.

Last update 04-02-2014
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Spiraea x bumalda
Spiraea x bumalda
Spiraea japonica
GLOSSARY
  • STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
  • DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
  • EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
  • STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
  • HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
  • SHRUB - a woody plant with branches growing bushy from the ground level.
  • HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
  • FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
  • GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.
Safro BIO