Hypericum 'Allgrandeur' MIRACLE® GRANDEUR St. John's Wort
size/type
medium-sized shrub,small shrub
usual height
0,5-0,8m
usual width
0,5-0,6m
leaves
deciduous broadleaf
colour of leaves
flowers
showy
colour of flowers
blooming time
June-September
location
full sun
soil type
any (acidic to alkaline)
soil moisture requirements
evenly moist but well-drained
USDA zone (lowest)
7 (down to -23°C)
winter protection
for zone 5+6
for zone 7
categorized
St. John’s Wort is a well-known perennial from our meadows and fields. The gardeners, however, selected species which are shrubby and have additional features for common use in gardens. MIRACLE® is an enchanted series of a few hybrids producing profusion of multi-coloured berries in autumn. The breeding program started in 2010 and was conducted by a Dutch breeder Wilhelmus T.J. van den Hoogen.
Description of the plant:
The variety name of this St. John’s wort says it all: MIRACLE® GRANDEUR. That’s because ‘grande’ means big and refers to the fruit size. Berries of this variety are possibly the largest in the whole MIRACLE® series. They are vivid red and glossy and are produced in profusion after bright golden yellow flowers which open in several flushes from late June until late September. Its deciduous, broadly ovate leaves are dark green and completely cover the whole shrub that is well-branched and bushy. Granted patents: 46209 (Europe – 2017) a PP27125 (USA – 2016).St. John’s wort loves in full sun and moderately fertile soil that is very well drained but evenly moist. Prune young plants by one third or one half in spring and rejuvenate older plants by cutting back about 5-7 cm above ground. But don’t do it regularly, only light pruning is recommended if done annually. Fully hardy to about -23°C (USDA zone 6).
Last update 28-10-2022
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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.
