mop-head acacia, locust "UMBRACULIFERA"
Robinia pseudoacacia
"UMBRACULIFERA"
mop-head acacia, locust
USUAL HEIGHT and WIDTH
3-5m x 3-5m
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LEAVES deciduous broadleaf |
SIZE/TYPE small tree |
COLOUR OF LEAVES
 green
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BLOOMING TIME
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LOCATION full to partial sun |
FLOWERS insignificant or non-blooming |
USDA zone (lowest)
4 (down to -34°C)
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COLOUR OF FLOWERS
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WINTER PROTECTION
for zone 5+6

for zone 7

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Belongs to categories
Deciduous broadleaf
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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.
- 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.
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DESCRIPTION Black locust is a reliable and hardy tree of our climate. It is a maintenance-free plant which makes it ideal for city parks and places where garden care is limited.
i>Umbraculifera is a popular variety of locust with 25-30 cm long pinnate, deciduous leaves that are made of up to 23 elliptic to ovate individual dark green leaflets. New leaves appear all season long so there are always some new at the tip of the branches, looking really fresh. An exceptional advantage is the fact that the leaves, especially in towns and cities, remain on the tree until very late – often until December when the first serious frosts come. It does not flower and therefore makes no mess from fallen flowers.
It is called mop-head acacia because of its smaller, compact crown which needs no pruning whatsoever to maintain its shape. The crown usually grows about 2m both high and wide which makes it ideal for small gardens and narrow streets. Pruning is recommended only if you need to keep its size smaller. It can be done from end of winter until beginning of summer.
The tree is very healthy, disease- and pest-free and tolerates air pollution. It adapts to almost any soil type except wet. Fully hardy to min. -34°C (USDA one 4).
Last update 07-12-2008
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