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'Riverbanks' rose Description
'Riverbanks' rose photo
Photo courtesy of Robert Neil Rippetoe
Availability:
Commercially available
Synonyms:
HMF Ratings:
15 favorite votes.  
ARS:
Medium pink Shrub.
Registration name: Ripriver
Exhibition name: Riverbanks
Origin:
Bred by Robert Neil Rippetoe (United States, 2005).
Class:
Hybrid Banksia, Shrub.  
Bloom:
Violet.  Mild to strong, clove, fruity, tea fragrance.  9 to 16 petals.  Average diameter 2.5".  Medium, semi-double (9-16 petals), borne mostly solitary, in small clusters bloom form.  Continuous (perpetual) bloom throughout the season.  Medium buds.  
Habit:
Medium, armed with thorns / prickles, bushy, spreading, upright, well-branched.  Medium, semi-glossy, dark green foliage.  
Height of up to 4' (up to 120 cm).  Width of up to 4' (up to 120 cm).
Growing:
USDA zone 6b and warmer.  Can be used for beds and borders, container rose, cut flower, garden, hedge, landscape, shrub or specimen.  Vigorous.  benefits from winter protection in colder climates.  can be grown as a shrub.  flowers drop off cleanly.  prefers full sun.  Disease susceptibility: susceptible to Mildew.  Remove spent blooms to encourage re-bloom.  Requires spring freeze protection (see glossary - Spring freeze protection) .  Prune lightly or not at all.  
Breeder's notes:
The goal here was to prove the fertility of the pollen parent.

I chose an early prototypical evergreen hybrid tea as seed parent in order to stay as close to early evergreen species crosses as possible while focusing on a more modern flower form. I have hopes this variety will serve as seed parent to modern hybrids and other evergreen species crosses.

Riverbanks grows upright , Ht. 4' +, width 4' + unpruned

This rose will take a rounded shape at maturity and when left to it's own devices. It will slowly build indefinitely. It does not require pruning other than to shape. It set prodigious quantities of hips but will continue to flower regardless. Undoubtedly dead heading would be in order if one wants better repeat.

New foliage is a beautiful leaden green color with a deep mauve wash.

This rose is being tested for climatic adaptability. I would only expect it to be hardy in zones 7 and higher.
Ploidy:
Triploid
Notes:
Confirmed triploid by David Zlesak, root tip squash method. Sets hips. First open pollinated seedlings germinated from unchilled seed December 2005.

This cultivar has proven fertile using pollen from tetraploid and dipoid pollen. Indications are it will be an important parent.

Will set hips with a broad range of pollens. Germination rate is fair to good.


Performs best on it's own roots. Best size color and form in cooler temperatures.

Overwinters in upstate NY with only snow cover.
 
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