Illustrative photo.
Heuchera americana 'MARVELOUS MARBLE™ Silver' American coral bells
size/type
low or groundcovering,low perennial
usual height
0,4-0,6m
usual width
0,3-0,5m
leaves
evergreen broadleaf
colour of leaves
flowers
less showy but noticeable
colour of flowers
blooming time
June-August
location
full sun to shade
USDA zone (lowest)
4 (down to -34°C)
winter protection
for zone 5+6
for zone 7
categorized
Heuchera
American coral bells is one of the species used amply for further breeding because of its ability to form attractive marbling and conspicuous veins. It naturally occurs from central to southern North America. Marvelous Marble™ is a series invented by the breeders at Syngenta Flowers and registered in 2009.Description of the plant:
Marvelous Marble™ Silver is a coral bells variety with shallowly lobed, orbicular leaves which emerge purple red in spring and as the temperature rises, leaf margins reveal green colour while leaf centres remain dark maroon or almost purple red. All year round they are decorated with heavy silvery grey marbling. They are evergreen. From early till late summer sporadically appear thin stems with inconspicuous white flowers. They can be cut off if only beautiful foliage is what you desire. The plant shows exceptional vigour and forms low mounds. Coral bells can take almost any soil with ample moisture and good drainage. They do best in partial shade or filtered sun, however, if you make sure they will not dry out you can place them in full sun, too. They can also live in dark shade where their colours will not be too rich, such location is usually best for light coloured varieties. Cut off all leaves in early spring to encourage growth of new foliage. Fully hardy to abt. -34°C (USDA zone 4), and suitable for outdoor pots.
Last update 02-01-2021
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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.
