Elaeagnus x ebbingei 'COASTAL GOLD'

Elaeagnus x ebbingei
Elaeagnus x ebbingei 'COASTAL GOLD'
evergreen silverthorn
SIZE/TYPE taller shrub
USUAL HEIGHT 2-3m
USUAL WIDTH 2-3m
LEAVES evergreen broadleaf
COLOUR OF LEAVES varigated:green and yellow and light green
FLOWERS less showy but noticeable
COLOUR OF FLOWERS cream
BLOOMING TIME September - October
LOCATION full to partial sun
SOIL TYPE any (acidic to alkaline)
SOIL MOISTURE REQUIREMENTS evenly moist (dislikes drought)
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
Hedging plants
náhled fotonáhled fotonáhled foto
Evergreen silverthorn is a natural hybrid of e. macrophylla with large, evergreen, rather rounded leaves and vigorously growing e. pungens with narrower foliage and thorns. It is sometimes called Russian olive which is not correct as this name is already used for its deciduous sister e. angustifolia. It is described to have been discovered by a Dutch horticulturist Simon Doorenbos (1891-1980) who named it after another Dutch botanist J.W.E. Ebbinge in 1929. However, many years later it was pointed out that a Swiss botanist Camille Servettaz (1870-1947) found this mutation, too, and named it elaeagnus x submacrophylla already in 1909. In spite of that, the whole horticultural world still sticks to e. x ebbingei and we do, too, if you don’t mind.

Coastal Gold is another showcase among evergreen silverthorns which originated just like its other variegated sisters – by natural mutation. Its evergreen leaves have dark green margins and rich yellow centres which occupy up to 80% of the surface. They are leathery and glossy. One might wonder why we need another yellow/green silverthorn having Limelight and Eleador already. Just take a close look at the leaves and you will see – they are much broader, and definitely not flat. They look like a bodybuilder's six-pack with slightly undulated margins. Newly emerging leaves are silvery-beige. Young twigs are orange-brown and the colder the weather in autumn the deeper the colour.

Coastal Gold silverthorn is a fast grower making 40-60 cm per year. It is both upright and spreading, however, young twigs are rather flexible and tend to bend giving the shrub a relaxed, slightly arching habit. In order to shape it or to keep it smaller you can prune it at almost any time from spring till autumn. It can take hard pruning, too.

Apart from the foliage this plant is also interesting for its almost invisible but very fragrant flowers. They are tiny and appear in profusion from late summer to early autumn. They have a lovely, sweet perfume that is distributed especially on sunny and warm afternoons and evenings. They are followed by an abundance of fruit in spring. About 1.5 cm long, oval fruit with a stone inside is deep red and tastes like a sweeter version of sour cherries. It is best to let them ripen well which is when they begin to fall down. The plant can hold the fruit only after mild winters.

Evergreen silverthorn is soil adaptable but needs mulching in our climate to protect surface roots from quick freezing and heavy frost. In colder regions we recommend planting it in winter shade. Still, even after severe frosts it regenerates from healthy wood and makes long branches. It will not live in boggy and wet conditions. It is hardy to min. -23 °C (USDA zone 6) and withstands a few degrees lower with some burnt foliage that is quickly replaced by late spring. During dry winters, in frost-free periods provide extra watering on days when the ground is not frozen.

Last update 05-02-2019; 19-11-2022
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Elaeagnus x ebbingei
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Elaeagnus x ebbingei
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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