Helleborus orientalis 'DOUBLE SLATY BLUE'

Helleborus orientalis
Helleborus orientalis 'DOUBLE SLATY BLUE'
hellebore, Lenten rose
SIZE/TYPE low perennial
USUAL HEIGHT 0.3-0.4m
USUAL WIDTH 0.3-0.5m
LEAVES evergreen broadleaf
COLOUR OF LEAVES green
FLOWERS showy
COLOUR OF FLOWERS burgundy red
BLOOMING TIME February - April
LOCATION semi-shade / 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
Winter blooms
Evergreen broadleaf
Hellebore (Lenten rose) is not a new plant to Czech and Slovak gardens. I remember those flowering stems that surprisingly pushed through the snow in late winter and I kept asking grandma how come that a plant can flower while there is still snow on the ground. These evergreen perennials are still very popular, mainly thanks to newly hybridized varieties with fantastic flowers. Still, as an oriental hellebore hybrid there is some variability and plants of the same variety may slightly vary in colour depth and design.

Double Slaty Blue is a hellebore variety for lovers of dark colours. Its double flowers exhibit a very deep shade of burgundy red colour with blue hues that show especially on a cloudy day. Long stamens with creamy white anthers beautifully contrast with the petal colour. Flowers come out according to weather, mostly from February until late April atop 30-35 cm tall, upright stems. Evergreen leaves are leathery, palmate, and deep green and form a compact clump.

Hellebore likes heavy, evenly moist, neutral to alkaline, rich in humus soil in dappled shade or filtered sun. This hybrid will prefer at least half a day with direct sunlight. Fertilizing will increase flowering and help the leaves remain strong and nice throughout the winter. Grow it somewhere near your house entrance or close to the window you look out of frequently so that you can enjoy the plant when it starts flowering since at that time the weather outside is not yet ideal for walking around the garden. The flowers can cheer up a number of grey and dull days of late winter therefore thumbs up for hellebore! Harmful if eaten. Hardy to about -29°C (USDA zone 5).

Last update 24-11-2020
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Helleborus orientalis
Helleborus x
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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