Pinus koraiensis 'SILVERAY'

Pinus koraiensis
Pinus koraiensis 'SILVERAY'
Korean pine
SIZE/TYPE taller shrub
USUAL HEIGHT 4-6m
USUAL WIDTH 2-3m
LEAVES evergreen conifer
COLOUR OF LEAVES varigated:silvery-blue a green
FLOWERS
COLOUR OF FLOWERS
BLOOMING TIME
LOCATION full sun
USDA zone (lowest) 3   (down to -40°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 Conifers
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Korean pine belongs among the most beautiful pines of our climate. It originates in regions of Amur, Korea, and northern China. It bears long, stiff, partly curved needles that are borne in whorls of 5. They fall down after 2 years revealing smooth, grey-brown bark. Korean pine makes a regular, conical shape but, being a very slow grower, it needs some time to show it.

Silveray is a beautiful variety of Korean pine, forming narrowly pyramidal to almost egg-shaped shrubs/feathered trees. It differs from the species by its long, slightly twisted needles with a silvery grey stripe that gives the whole plant an attractive silvery blue feeling. It grows slowly, only some 25 cm per year, reaching 4-5m in small gardens or twice as much in parks and arboretum with much more space around. It can be pruned or clipped in mid spring by cutting or removing new shoots. Cones are formed from young age and produce edible seeds.

It was formerly called Glauca (= blue in Latin) just to distinguish it from the species, and in 1978 in F.J.Grootendorst Nursery it was renamed to Silveray which is by far a much better as well as poetic name for this beauty.

All pines love sunny sites and dislike wet ground. It can live on either fertile of poor soil. Korean pine must have acidic or neutral soil and is very hardy - it can take about -40°C (USDA zone 3) which is why it is popular especially in northern countries where it is absolutely unharmed by harsh winters. It is suitable for large outdoor pots.

Last update 31-01-2019
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NOT IN STOCK? WHY NOT TO TRY A SIMILAR ONE:
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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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