Hydrangea macrophylla 'SEMPERFLORENS'

Hydrangea macrophylla
Hydrangea macrophylla 'SEMPERFLORENS'
bigleaf (mop-head) hydrangea
SIZE/TYPE medium-sized shrub
USUAL HEIGHT 0.5-1.3m
USUAL WIDTH 0.5-1.3m
LEAVES deciduous broadleaf
COLOUR OF LEAVES light green
FLOWERS showy
COLOUR OF FLOWERS ++různobarevné:pink a violet a sky blue
BLOOMING TIME June - September
LOCATION semi-shade to shade
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 Deciduous broadleaf
Summer blooms
náhled fotonáhled fotonáhled foto

The new millennium brought a hydrangea sensation called Endless Summer®. This developed into a hydrangea series composed of a few varieties, each of a different colour. The plants have been a big success as they flower reliably on both old and new twigs, and are very hardy. The only trouble is their higher price caused probably by the license and massive advertising. And as with many other novelties I was eager to find out the forerunner of this plant. Now it seems I did. Its name is Semperflorens, it is many years old, never patented or heavily marketed. Still, it is available at a good price and offers the same qualities.

Semperflorens means ever-blooming which this hydrangea truly is. It blooms from late June until late September, and in warmer regions even longer. It is a classic mop-head type with mid-sized blooms of rich pink colour that may turn slightly violet or even sky blue in strictly acid soil. More interestingly, it is not uncommon that one plant combines all colour shades, even one inflorescence may show both pink and blue colour, depending on the soil pH. The leaves are deciduous, light green, softer and smaller than on new hybrid hydrangeas. It flowers reliably every year on any wood. The pictures here show plants grown in the south of the Czech Republic (zone 5b-6) for a couple of decades. Never a problem, always full of flowers all summer long.

The flower colour is determined by the soil pH so if you are after blue flowers you must have very acid soil. Otherwise it will be this beautiful pink which is most common. Hydrangeas like fertile, always moist but well-drained soil. Never let the soil dry out especially in the first year before it gets established. It will love part shade and shade or filtered sunlight. Good mulch is advisable at all times. Semperflorens hydrangea is fully hardy to min. -27°C, possibly a few degrees more (USDA zone 5).

Last update 02-04-2013
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NOT IN STOCK? WHY NOT TO TRY A SIMILAR ONE:
Hydrangea macrophylla (
Hydrangea macrophylla FOREVER&EVER®
Hydrangea macrophylla
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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