Hibiscus moscheutos 'Extrmag' EXTREME MAGENTA

Hibiscus moscheutos 'Extrmag'
Hibiscus moscheutos 'Extrmag' EXTREME MAGENTA
swamp mallow, hardy hibiscus
SIZE/TYPE mid-sized perennial
USUAL HEIGHT 0.5-0.8m
USUAL WIDTH 0.5-0.8m
LEAVES deciduous broadleaf
COLOUR OF LEAVES green
FLOWERS showy
COLOUR OF FLOWERS deep pink
BLOOMING TIME August - October
LOCATION full sun
USDA zone (lowest) 5b   (down to -27°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 Perennials
Summer blooms
Exotics
náhled fotonáhled fotonáhled foto
Swamp mallow and its hybrids have been sought after plants for the past few years now. They are perennials with sturdy stems that have large, tropically looking flowers. Dutch company Apartus offers a series of large-flowered varieties called SUNIQ® XXL. This variety was bred by Cornelis A.Oostveen and patented as PP26417 in 2016.

EXTREME MAGENTA is a swamp mallow variety with extra large flowers. They are dark magenta pink and 23 cm across. Flowering begins in August and depending on plant's age and fertilizing new flower buds can be formed till September or October. Deciduous leaves are deep green, heart-shaped with a long, narrow tip, and in autumn turn amber orange with red veins. Stalks and stems are red, too.

The breeder claims an overall plant height of 50-60 cm, however, hardy hibiscus sizes can vary a great deal with location so count on a little less in poor or compacted or sandy ground, and perhaps a lot more in fertile, moist or wet ground.

The plant is dependent on regular watering and feed supply. Use fertilizers with enough phosphorus for abundant flowering, or any other quick-release fertilizers where nitrogen is not predominant. Any fertilizing has to stop by end September. Still, nitrogen-based fertilizer is useful when the plants wakes up from dormancy in mid spring, but should not be used longer than 8 weeks. Hardy hibiscus emerges very late, sometimes as late as in late May.

For healthy growth and profuse flowering it needs a sunny location with a lot of moisture which can be achieved by good mulching. The soil has to be fertile and permeable, never let it dry out either in summer or during dry winters - its fleshy roots need some moisture also in winter. Hardy to about -27°C (USDA zone 5b). Cut back the plant only a few centimetres above ground level in spring.

Last update 13-08-2018
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Hibiscus moscheutos 'Extrmag'
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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.
LARGE PLANTS over 150 cmspecimens, screening and hedging shrubs

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