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International Herald Tribune Rose

Rosa 'HARquantum'

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International Herald Tribune Rose (Rosa 'HARquantum') at A Very Successful Garden Center

International Herald Tribune Rose flowers

International Herald Tribune Rose flowers

(Photo courtesy of NetPS Plant Finder)

Height:  4 feet

Spread:  3 feet

Sunlight:  full sun 

Hardiness Zone:  5b

Group/Class:  Polyantha Rose

Description:

A showy variety, featuring clusters of double, reddish-violet flowers in flushes throughout the season; compact and low-growing, hardy and resistant to disease, makes an outstanding flowering accent; all roses need full sun and well-drained soil

Ornamental Features

International Herald Tribune Rose features showy clusters of lightly-scented red cup-shaped flowers with violet overtones at the ends of the branches from late spring to early fall. The flowers are excellent for cutting. It has green deciduous foliage. The glossy oval compound leaves turn yellow in fall. The spiny brick red bark adds an interesting dimension to the landscape.

Landscape Attributes

International Herald Tribune Rose 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 is a high maintenance shrub that will require regular care 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;

  • Disease
  • Spiny

International Herald Tribune Rose is recommended for the following landscape applications;

  • Mass Planting
  • General Garden Use
  • Container Planting

Planting & Growing

International Herald Tribune Rose will grow to be about 4 feet tall at maturity, with a spread of 3 feet. It tends to fill out right to the ground and therefore doesn't necessarily require facer plants in front. 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.

International Herald Tribune Rose makes a fine choice for the outdoor landscape, but it is also well-suited for use in outdoor pots and containers. With its upright habit of growth, it is best suited for use as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by smaller plants and those that spill over the edges. It is even sizeable enough that it can be grown alone in a suitable container. Note that when grown in a container, it may not perform exactly as indicated on the tag - this is to be expected. Also note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Garden  Container 
Applications
Flowers  Bark 
Ornamental Features