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Rosa 'Grootendorst Supreme'
Grootendorst Supreme flowers
(Photo courtesy of NetPS Plant Finder)
Height: 5 feet
Spread: 4 feet
Hardiness Zone: 4
Group/Class: Shrub Rose
A beautiful, vigorous, bushy plant that is a profuse bloomer with deep crimson red, fringed flowers; will produce clusters continually all summer long; once established it is very resilient and hardy and has good disease resistance
Grootendorst Supreme is draped in stunning lightly-scented dark red flowers at the ends of the branches from late spring to early fall. The flowers are excellent for cutting. It has dark green foliage throughout the season. The glossy oval compound leaves do not develop any appreciable fall color. The fruits are showy red hips displayed in late fall.
Grootendorst Supreme is a multi-stemmed deciduous shrub with an upright spreading habit of growth. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.
This shrub will require occasional maintenance and upkeep, and is best pruned in late winter once the threat of extreme cold has passed. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;
Grootendorst Supreme is recommended for the following landscape applications;
- Mass Planting
- General Garden Use
Planting & Growing
Grootendorst Supreme will grow to be about 5 feet tall at maturity, with a spread of 4 feet. It tends to fill out right to the ground and therefore doesn't necessarily require facer plants in front, and is suitable for planting under power lines. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 20 years.
This shrub should only be grown in full sunlight. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This particular variety is an interspecific hybrid.