Buxus sempervirens 'BLAUER HEINZ'

Buxus sempervirens
Buxus sempervirens 'BLAUER HEINZ'
German box
SIZE/TYPE small shrub
USUAL WIDTH 0.5-0.8m
LEAVES evergreen broadleaf
COLOUR OF LEAVES +multicoloured:green and blue-green
FLOWERS insignificant or non-blooming
LOCATION full to partial sun
SOIL TYPE neutral to alkaline
SOIL MOISTURE REQUIREMENTS evenly moist (dislikes drought)
USDA zone (lowest) 5   (down to -29°C)
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
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This box variety follows a range of numerous crossings made in Germany from 1960’s in the effort to achieve a hardy and ever-beautiful box plant. It was found by Mr.Heinz in Herrenhausen royal garden in Hanover in late 1980’s as a natural mutation of buxus sempervirens “Suffruticosa” and named after him: Blauer Heinz.

It proved hardier than the species and on top of that brought two significant features not common for any other box variety known by then. Its evergreen leaves are blue-green rather than just green and have a frosted feeling just like maturing blue grapes early in the morning. Another important feature is its habit – it grows strictly upright and keeps itself compact and dense without any need for pruning.

Still, if you need to cut it do so in early spring after danger of all frost (to encourage branching), or in mid summer (for shaping). Box shrubs are not too fussy about soil type provided it is well-drained. In wet soil the leaves will turn yellow or brown and the plant will slowly die. Blauer Heinz likes both sun and partial shade and can be grown in an outdoor pot (no saucer!). Hardy to min. -27°C (USDA zone 5).

Last update 16-02-2013

Buxus sempervirens
  • 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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