Hypericum 'Methyra' RADIANCE St. John's Wort
size/type
small shrub,small shrub
usual height
0,5-0,8m
usual width
0,5-0,8m
leaves
semi-deciduous broadleaf
colour of leaves
flowers
less showy but noticeable
colour of flowers
blooming time
June-September
location
full to partial sun
soil type
any (acidic to alkaline)
soil moisture requirements
evenly moist but well-drained
USDA zone (lowest)
5b (down to -27°C)
winter protection
for zone 5+6
for zone 7
categorized
St. John’s Wort belongs among folk remedy herbs. It has been a popular and effective herb for centuries and still today it is widely available next to the most common herb remedies in every good drugstore. In ornamental landscaping, especially shrubby species are highly valued for their profuse flowering and woody structure. However, there’s at least one unique variety which, rather than flowers, boasts extremely attractive foliage. It is called RADIANCE and was selected by Marc Etienne from France and introduced in 2020.
Description of the plant:
RADIANCE is a low-growing shrubby St. John’s Wort with coloured foliage. In early spring, its leaves emerge dark salmon-pink along salmon pink twigs. As they mature, pink shades vanish, and the almost white leaves exhibit pale green marbling similar to Hakuro Nishiki or Flamingo Japanese willows. Later on they turn completely green while new twigs shoot up showing pink shades again. This routine keeps on repeating until autumn, so the plant is colourful during the whole growing season. The leaves are narrowly ovate to oval, only about 3-4 cm long and last long into winter.From early June scarcely appear bright golden-yellow 5-petalled flowers, but they are not the key feature of this variety since RADIANCE is cultivated mostly for its variegated leaves. It is popular in mixed borders, in mass plantings, as well as in planters on patios and balconies.
Majority of shrubby species of St. John's wort needs hard pruning for best results. It rejuvenates the plants which then exhibit denser branching and more compact habit. Cut off 50-80% of the previous year's growths, ideally in late March after all frosts. St. John’s wort does not require feeding if your soil is reasonably fertile. Grow it in well-drained soil with no standing water. It will be happy both in full sun and part shade. It is hardy to approx. -27 °C (USDA zone 5b), possibly a little more.
Last update 06-03-2023
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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.
