Albizia julibrissin 'Pos1' TROPICAL DREAM

Albizia julibrissin 'Pos1'
Albizia julibrissin 'Pos1' TROPICAL DREAM
silk tree
SIZE/TYPE small tree
 taller shrub
USUAL HEIGHT 3-5m
USUAL WIDTH 3-6m
LEAVES deciduous broadleaf
COLOUR OF LEAVES green
FLOWERS showy
COLOUR OF FLOWERS deep pink
BLOOMING TIME July - August
LOCATION full sun
SOIL TYPE neutral to alkaline
SOIL MOISTURE REQUIREMENTS dry and sharply drained (xeriscape)
USDA zone (lowest) 6   (down to -23°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 Deciduous broadleaf
Exotics
Summer blooms
náhled fotonáhled fotonáhled foto
Mimosaceae plants are common and popular mainly in southern Europe for their high tolerance to drought as well as attractive and long lasting flowering. Even though they come from subtropical parts of the world there is one species hardy enough to be grown in our climate - silk tree. It originates from Iran and is typical for its dome-shaped canopy and pink flowers over a long period in summer.

TROPICAL DREAM is a silk tree variety from Belgium where it was selected by Johan Possemiers around 1984. It was selected among many seedlings raised from seeds collected around Seoul in South Korea. Though, it took many years to reach the trade as only in 2015 it was first introduced at Plantarium exhibition in Boskoop, the Netherlands.

Its flowers are sweetly scented, rich pink, 3-5 cm wide, hairy spheres with nearly white centres. They bloom from early July for over 2 months if the summer is sunny and warm. Fern-like, compound leaves are soft green, close for the night, and re-open in the morning, just like mimosa when touched. They emerge very late in spring. The tree looks very exotic and deserves an attractive location in the landscape, best accompanied by other plants of Mediterranean habit.

It is a fast growing, small to medium-sized, multi-stemmed shrub or tree with irregular, flat or umbrella-shaped, spreading crown. Pruning is possible in early spring after all frosts. Do not cut deeper than about a third of previous year’s growth, otherwise it will not flower that season. TROPICAL DREAM along with Evi’s Pride are varieties renowned for their resistance to mimosa wilt disease which is a dangerous, mostly fatal fungi disease of this species. Still, we recommend you read this article to follow the instructions in case you spot the symptoms and we strongly suggest you do the procedure as prevention on annual basis.

Grow it in full sun only. It needs warm, neutral to slightly alkaline, preferably poor or slightly fertile soil. Mulching is good for winter but in the summer it prefers direct sunlight onto the area above roots so it can collect as much warmth as possible for better flowering. Still, never allow freshly transplanted specimens weed with grass for at least 3 years. If the tree grows at its natural speed the branches will mature well and will not be damaged by frost. Its reliable hardiness is -25°C (USDA zone 6). Even if the branches are damaged by unexpectedly stronger frost it readily regenerates from healthy, even older wood.

Last update 24-02-2020
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Albizia julibrissin
Albizia julibrissin
Albizia julibrissin
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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