Polemonium yezoense 'PURPLE RAIN'

Polemonium yezoense
Polemonium yezoense 'PURPLE RAIN'
Jacob's ladder
SIZE/TYPE mid-sized perennial
USUAL HEIGHT 0.2-0.4m
USUAL WIDTH 0.2-0.3m
LEAVES deciduous broadleaf
COLOUR OF LEAVES green
FLOWERS showy
COLOUR OF FLOWERS +různobarevné:violet a yellow
BLOOMING TIME May - June
LOCATION full to partial 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 Perennials
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Purple Rain is a variety of Jacob’s ladder that is native to the northern parts of Japan, precisely Hokkaidó island, formerly known as Ezo (Yezo). It produces upright, fleshy, purple black stems bearing tender blossoms of blue-violet colour with rich yellow pistils. The flower looks like a 2000’s businessman in a blue shirt with a yellow tie. Ferny foliage adds an extra feature to this perennial and even after the flowers have gone the plant makes a nice mound of attractive leaves. They are rich green with purple hues in summer.

Jacob’s ladder is a low maintenance plant that loves fertile and evenly moist soil. It will grow in soil of any pH, in full sun or partial shade, it can even live in full shade but will not make a neat clump there. Hardy to about -30°C.

Last update: 13-05-2013
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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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