Acer platanoides 'CRIMSON SENTRY™'

Acer platanoides
Acer platanoides  'CRIMSON SENTRY™'
Norway maple
SIZE/TYPE taller shrub
LEAVES deciduous broadleaf
COLOUR OF LEAVES burgundy red
FLOWERS insignificant or non-blooming
LOCATION full to partial sun
SOIL TYPE any (acidic to alkaline)
SOIL MOISTURE REQUIREMENTS evenly moist (dislikes drought)
USDA zone (lowest) 4   (down to -34°C)
FOR ZONE 5+6 Code of winter protection zone 5+6
FOR ZONE 7 Code of winter protection zone 7
BELONGS TO CATEGORIES Deciduous broadleaf
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Crimson Sentry is most certainly a key feature of many mid-sized and small gardens. Its yearly growths are short so it will easily fit even in a front yard.

It is an eye-catching variety of Norway maple owing to the foliage. The leaves are bright purple-burgundy when young, and deep crimson red throughout the summer. In the autumn they change to coppery brown or honey-yellow. Flowers are gathered in corymbs, have bright red stalks and yellow stamens. The bark is almost grey and beautifully contrasts with freshly emerging leaves.

The growth is strictly upright, branches are strong and never droop. Its usual size is 3-5 and is therefore suitable for medium sized as well as small gardens. It easily adapts to any type of soil, but prefers humus-rich, moist soil. We suggest treating it against fungal diseases early in the spring when the leaves emerge. Then, from early summer, check it now and then for white spots which would manifest the powdery mildew. Treat it with a suitable chemical with copper content immediately. Fully hardy to -34°C (USDA zone 4).

Last update 08-12-2008

Acer platanoides
  • 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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