Hibiscus syriacus 'WILLIAM R.SMITH'

Hibiscus syriacus
Hibiscus syriacus 'WILLIAM R.SMITH'
Rose-of-Sharon
SIZE/TYPE taller shrub
USUAL HEIGHT 2-3m
USUAL WIDTH 1.3-1.5m
LEAVES deciduous broadleaf
COLOUR OF LEAVES green
FLOWERS showy
COLOUR OF FLOWERS white
BLOOMING TIME July - September
LOCATION full sun
USDA zone (lowest) 5b   (down to -27°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
náhled fotonáhled foto
Rose-of-Sharon deserves more attention for its abundant flowering in summer. These maintenance-free shrubs come from eastern Asia and are the inevitable ingredient of every summer garden which they highlight with a wide range of coloured flowers. There has been a number of cultivars available since its discovery. They have various bloom colours, shapes and sizes, as well as variegated leaves.

William R. Smith is a name of an older Rose-of-Sharon variety where R. does not stand for a middle name, it means Reverend because this plant was named in honour of reverend and enthusiastic gardener William Smith. It is an upright, bushy shrub producing clear white flowers without the typical red eye in the centre. Blooming begins in early July and continues until sunny and warm days of September. Deciduous leaves are narrowly palmate, 3-lobed, mid to dark green and coarsely toothed. They emerge late so don't worry about frost damage when you don't see any growth in a spring garden that is green almost all around.

Regular pruning is not necessary or even welcome. Though you can re-juvenate old plants once every 5 or 7 years but cutting off 1/3 to 1/2 of its size in spring after all frosts.

Rose-of-Sharon is quite adaptable of soil type. It likes a lot of water and if you make sure that your new plant is not put to standing water at the beginning it will be happy for occasional flooding in summer. In other words hibiscus hate drought and becomes leggy and thin at the bottom. Older plants dislike peat. Selective fertilizers for better flowering are convenient. Place it in full sun only. Fully hardy to min. -27°C (USDA zone 5).

Last update 02-03-2018
SIZES and PRICES
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Hibiscus syriacus height 80-100 cm, width 60-70 cm
De Luxe
CHLUMEC BY CAR
Hibiscus syriacus height 80-100 cm, width 60-70 cm
De Luxe
PRAGUE BY CAR

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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.
LARGE PLANTS over 150 cmspecimens, screening and hedging shrubs

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