Silphium 'MAYA' cup plant
size/type
mid-sized perennial,mid-sized perennial
usual height
0,6-1m
usual width
0,4-0,6m
leaves
deciduous broadleaf
colour of leaves
flowers
showy
colour of flowers
blooming time
August-September
location
full sun
soil type
neutral to alkaline
soil moisture requirements
evenly moist (dislikes drought)
USDA zone (lowest)
3 (down to -40°C)
winter protection
for zone 5+6
for zone 7
categorized
Cup plant is a tall and stout perennial from the Asteraceae family that comes from a wide range in North America, from Ontario in Canada to Georgia in USA. It is a hardy and long-lived herbaceous plant that tolerates various adverse conditions – drought, temporary waterlogging, severe frost, salinity, and even poor-quality soil. In addition to its use in ornamental gardens, it is also experimentally grown for biomass for production of gas and was once used in the Soviet Union as field fodder with high yields as it crops twice a year.
Description of the plant:
Maya is the sunshine of the second half of summer. It is a hybrid variety of cup plant that will offer the same beauty as the botanical species, but a much smaller height of not even a meter. It makes bright yellow, daisy-like, large flowers with up to 10 cm, composed in terminal panicles. They begin to bloom from mid-August and continue until late September in C.E., sometimes even longer. Long before flowering, the plant is impressive with its extremely large, up to 35 cm long and 15 cm wide leaves. They are deep green, opposite, triangular-shaped and form a dense mass at a height of 30-50 cm above the ground, while the flower stems rise to a height of 80 cm. In dry soils, lower leaves may be prone to drying in late summer.Cup plant prefers open locations with plenty of sun and fertile soil that will not be permanently waterlogged, but he does not mind occasional waterlogging. It copes well with heavy clay soil because it contains a lot of nutrients, thanks to which it will offer more vigorous growth, profuse flowering, and larger leaves. Once established it doesn't mind summer droughts. Its root rhizomes spread slowly forming congested colonies which is used in mass plantings spaced 30-40 cm apart. Cut back all above-ground parts in late winter. Hardy to approx. -40 °C.
Last update: 12-09-2023
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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.
