Elaeagnus x ebbingei 'COASTAL GOLD'

Elaeagnus x ebbingei 'COASTAL GOLD'
evergreen silverthorn
evergreen silverthorn
SIZE/TYPE | taller shrub |
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USUAL HEIGHT | 2-3m |
USUAL WIDTH | 2-3m |
LEAVES | evergreen broadleaf |
COLOUR OF LEAVES |
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FLOWERS | less showy but noticeable |
COLOUR OF FLOWERS |
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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 |
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FOR ZONE 7 |
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BELONGS TO CATEGORIES |
Evergreen broadleaf Hedging plants |
Evergreen silverthorn is a hybrid of e. macrophylla and e. pungens. Thanks to the foliage of the species it is sometimes called Russian olive which is not correct as this name is already used for its deciduous sister e. angustifolia. And to go on with correctness, the name elaeagnus x ebbingei is now regarded illegitimate. Reason given that the previously published name elaeagnus x submacrophylla from 1909 had priority. That is a bit of a puzzle because the hybrid itself was first discovered 20 years after the publication: in 1929. How can one name a plant that was not discovered yet? So, with all respect for the time being we stick to e. x ebbingei 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
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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