Azalea x 'SHOKA'

Azalea x
Azalea x 'SHOKA'
Satsuki azalea
SIZE/TYPE low or groundcovering
USUAL WIDTH 0.5-1.3m
LEAVES evergreen broadleaf
COLOUR OF FLOWERS combined:white and pink
LOCATION full to partial sun
USDA zone (lowest) 6b   (down to -21°C)
FOR ZONE 5+6 Code of winter protection zone 5+6
FOR ZONE 7 Code of winter protection zone 7
BELONGS TO CATEGORIES Rhododendrons, azaleas, and mountain laurels
náhled fotonáhled fotonáhled foto
Among Japanese azaleas there are groups that originated as natural hybrids or were hybridized by botanists. Satsukiis a name for one group of hybrid azaleas that are crosses of rhododendron indicum and rhododendron tamurae or rhododendron eriocarpum.

Shoka (sometimes also misspelled as Sogha) is a hybrid Satsuki azaleawith large flowers. They are predominantly white with bright purple pink blotch, or they can come out lilac-pink with the same blotch, or they can be either colour with a stripe of the other colour. Quite picky this azalea, isn’t it? As if it did not know what to wear for each season. Blooming time is later than Japanese azaleas: end May till end June, and in Czech climate I often make photos of its flowers yet in early July. It is slow and dense growing, making a superb cushion or almost a ground cover with evergreen, elliptic and glossy, mid green leaves.

Satsuki azaleas are quite compact and bushy growing but can be clipped to shapes in early July after flowering. If so, do not use fertilizers enhancing growth rate. The size of new branches would get out hand and spoil the shape you are going to achieve. They need light, permeable soil that is acid, constantly moist (keep azaleas mulched at all times) and moderately fertile. Use fertilizers for rhododendrons and azaleas, or ericaceous plants. The best soil mix is 1/3 of peat, 1/3 of leaf-mould or lime-free compost, and 1/3 of soil from the hole where you are going to plant it. Azaleas have shallow roots, so do not plant not too deep. If leaves turn yellow or fall down after winter it is planted in wet or heavy soil. So far we have experienced its hardiness down to -21°C (USDA zone 6b), preferably located in winter shade or if grown in full sun they will do better with fir branches or white woven in case of heavy frost and sunny strong sunlight.

Last update 08-01-2012

Azalea x
Azalea x
Azalea x
  • 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.
LARGE PLANTS over 150 cmspecimens, screening and hedging shrubs

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