Hibiscus x Summerific® 'BERRY AWESOME'

Hibiscus x Summerific®
Hibiscus x Summerific® 'BERRY AWESOME'
swamp mallow, hardy hibiscus
SIZE/TYPE tall perennial
USUAL WIDTH 1.5-1.8m
LEAVES deciduous broadleaf
COLOUR OF FLOWERS ++multicolored:pink and lilac and red
BLOOMING TIME August - October
LOCATION full sun
USDA zone (lowest) 4   (down to -34°C)
FOR ZONE 5+6 Code of winter protection zone 5+6
FOR ZONE 7 Code of winter protection zone 7
Summer blooms
náhled fotonáhled fotonáhled foto
Swamp mallow (rose mallow) and its hybrids have been sought after plants for the past few years now. They are perennials with sturdy stems that bear large, tropically looking flowers. American company Proven Winner® are renowned for selecting plants of reliable garden performance, and in 2017 introduced their new series of these hardy hibiscus composed of several different varieties bred by various breeders. It is called Summerific®® and so far (by 2018) it includes these varieties: Cherry Cheesecake, Berry Awesome, Cranberry Crush, and Perfect Storm.

Berry Awesome is a really awesome swamp mallow with its uniquely coloured flowers. Imagine picking up a mixture of forest berries, and make a smoothie out of them which is softened with a portion of cream. Sounds tasty and sweet? Just like this dishy hibiscus, pity it is not edible. The flowers are almost 20 cm across with somewhat wavy petal margins, and decorated with a rich red eye, a long pistil with numerous light beige anthers and a purple pink stigma. 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, red-veined, 3-lobed with longs tips, and in autumn turn amber orange and yellow. Stalks and stems are red, too. The plant grows fast, almost 1.5m tall and a little more wide in maturity (10 years), the number of flowering stems multiplies each year, and overall it looks like a shrub though it is a herbaceous perennial.

Berry Awesome hibiscus was bred by Hans A.Hansen, an American breeder of hardy hibiscus and other perennials, and the director of new plant development at Walters Gardens nursery in Zeeland, Michigan. It is a cross between Crown Jewels and Cranberry Crush made in 2011, and patented as PP 27936 in 2017.

Swamp mallow and its hybrids are commonly suited for regular garden soil of any pH, just make sure it does not dry out. In hot and dry summers it 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 plant 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 can be clay and boggy, never let it dry out either in summer or during dry winters - its fleshy roots need some moisture also in winter. Hardy to about -34°C (USDA zone 4). Protect the bottom of the stems from direct sunlight with plenty of mulch during winter. Cut back the plant some 7 cm above ground level in spring after all frosts.

Last update 09-09-2018

Hibiscus x
Hibiscus x
  • 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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