Azalea x 'SUMMER SUN'

Azalea x
Azalea x 'SUMMER SUN'
Satsuki azalea
SIZE/TYPE medium-sized shrub
USUAL WIDTH 0.4-1.3m
LEAVES evergreen broadleaf
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
Evergreen broadleaf
Summer blooms
náhled fotonáhled fotonáhled foto
Among Japanese azaleas there are groups that originated as natural hybrids or were hybridized by botanists. Satsuki is a name for one group of hybrid azaleas that are crosses of rhododendron indicum and rhododendron tamurae or rhododendron eriocarpum.

If you are fond of summer-flowering hybrid azaleas then this variety can easily become a jewel in your garden. Its name is Summer Sun and it is another Satsuki azalea. Soft red flowers look very attractive on the background of deep green foliage. They open in late June or early July and continue blooming for 4 weeks. Evergreen leaves are rather narrow, elliptic, and glossy. This plant does not grow fast, it makes a low, compact shrub that can make a lovely flowering feature in beds and borders around swimming pools and on patios that are mostly in use during summer months.

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. It can be placed in full sun if grown in excellent soil with equal moisture throughout the season. 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 16-12-2010; 08-01-2012
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Azalea x height 20-30 cm, width 20-30 cm
SPRING 2020 -
Azalea x height 30-40 cm, width 40-50 cm
De Luxe
SPRING 2020 -

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Azalea japonica
Azalea x
Azalea japonica
  • 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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