Aucuba japonica 'SULPHUREA MARGINATA'

Aucuba japonica
Aucuba japonica 'SULPHUREA MARGINATA'
Japanese aucuba, spotted laurel
SIZE/TYPE medium-sized shrub
USUAL HEIGHT 1-1.3m
USUAL WIDTH 1-1.3m
LEAVES evergreen broadleaf
COLOUR OF LEAVES varigated:green a yellow a cream
FLOWERS
COLOUR OF FLOWERS
BLOOMING TIME
LOCATION semi-shade to shade
USDA zone (lowest) 6   (down to -23°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 Evergreen broadleaf
Rarities
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This evergreen shrub is a commonly known favourite especially in Britain and in milder parts of humid regions of Germany and Benelux. It has several names - spotted laurel, Japanese aucuba or Japanese laurel. The first specimen was brought from Japan to Europe in 1783, and has been sought after ever since for its unusual shape of foliage and beautiful variegation on some cultivars.

Sulphurea Marginata is a truly unique variety of Japanese spotted laurel. It is not so golden or yellow like most others, and even though its leaves do bear yellow shades in a large portion they look more subtle and elegant in spite of their huge size (up to 20x10 cm). They are evergreen, very glossy, medium green in the centre and change to pale green, chartreuse, yellow and even creamy or banana yellow at the very margins. The form of variegation is similar to that on coloured evergreen silverthorn (elaeagnus x ebbingei). Sulphurea Marginata grows slowly or moderately (20-25 cm per year), forming a dense shrub of equal height and width of slightly over one meter in C.E. climate.

Usually considered a house plant it is suitable for outdoor growing, too, up to USDA zone 6 (-24°C). If you wish to make sure the top of the plant will not be damaged in extreme winter frosts (below -20°C) cover the plant with white woven for the few coldest days of winter. Should the top leaves be burnt after winter, just get rid of them in the spring or prune the shrub to healthy (= green) tissue. The plant will readily regenerate from lower branches and will become even denser. Trimming or pruning is best done from April until end June latest.

It does best in part pun to light shade, and will also live happily in full shade while its variegation will not be as distinct. Sulphurea Marginata can take more sun than others, yet all-day sun is not recommended. It needs humus-rich, constantly moist but well-drained, preferably acid to neutral soil. Provide extra watering in frost-free periods of winter when the ground is not frozen. Hardy to min. -20°C, with protection to -24°C (USDA zone 6).

Last update 26-06-2019
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Aucuba 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.
LARGE PLANTS over 150 cmspecimens, screening and hedging shrubs

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