Sequoiadendron giganteum 'GREENPEACE'

Sequoiadendron giganteum
Sequoiadendron giganteum 'GREENPEACE'
Giant redwood, Sierra redwood, Giant sequoia
SIZE/TYPE tall tree
USUAL HEIGHT 20-40m
USUAL WIDTH 5-10m
LEAVES evergreen conifer
COLOUR OF LEAVES green
FLOWERS
COLOUR OF FLOWERS
BLOOMING TIME
LOCATION full sun
USDA zone (lowest) 5   (down to -29°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
Rarities
náhled fotonáhled fotonáhled foto
Giant redwood or Sierra redwood, sometimes concisely called the Big tree is truly a big tree. In fact, the biggest in the world ever measured. It comes from Sierra Nevada mountains in east California, USA, and all synonyms describing its giant size are in place. There is even a Wikipedia list of the largest living giant sequoias. They were all given names and two at its top have reached worldwide fame: General Sherman and General Grant. General Sherman tree is located in the Giant Forest Grove of Sequoia National Park, California, and according to data from 1997 it was 83.8m tall and 2300-2700 years old. Its ‘little’ brother nearby General Grant was ‘only’ some 1650 years old and 81.7m tall. However, historically the biggest tree was even 15-20% taller and was cut down in 1940’s, its name was Crannell Creek Giant.

Greenpeace is a beautiful giant redwood variety of this evergreen conifer from the Netherlands. It is renowned for rich lawn-green to emerald green foliage which does not turn bronze in winter. Its habit is widely conical to pyramidal. If sufficiently insolated also at its bottom parts it keeps its lower branched for a long time, otherwise it loses them, revealing very attractive, reddish-brown, fissured, bark. Evergreen leaves are awl-shaped and pointed at the tips, and scale-like, and densely cover its thread-like twigs. Adult trees are noted for their great resistance to forest fires.

Giant redwood is a specimen tree for large gardens and parks. Even though it can take some pruning when young, I have seen pruned trees and they are ugly. Leave it to its own devices, forming a magnificent centrepiece of your landscape, admired by lovers of monumental features. It loves full sun and plenty of space – never use it in a mixed border. It does not mind low temperatures, however, it dislikes significant temperature swings, especially in late winter without snow. A good help is an extra watering during a frost free day before a freezing night.

It is easy to grow. In fact, once transplanted it does not need ANY maintenance at all apart from occasional watering during the first 1-2 years until it establishes. It will grow in most well-drained soil types. It makes thick roots which make the trunk stable during strong winds. Its hardiness is commonly suggested to -29°C (USDA zone 5), but is expected to be a little better if the soil is covered with snow.

Last update 20-02-2020
SIZES and PRICES
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Sequoiadendron giganteum height 80-100 cm
STANDARD
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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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