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'AS-05/69-xx' rose Description
'Schlick-rr' rose photo
Photo courtesy of Arno
Availability:
Breeding stock only
HMF Ratings:
5 favorite votes.  
Origin:
Bred by Arno Schlick (Germany).
Class:
Hybrid Rugosa, Species Cross.  
Bloom:
Pink bud and pure white flowers.  White (blanche).  Mild to strong, citrus, fruity, pine, spice, wild rose fragrance.  5 petals.  Average diameter 2".  Medium, single (4-8 petals), in bundles bloom form.  Spring or summer flush with scattered later bloom.  Medium, long sepals buds.  
Habit:
Tall, arching, armed with thorns / prickles, bristly , climbing, spreading, well-branched.  Medium, matte, grey-green, attractive fall color, fragrant, wrinkled (rugose) foliage.  7 to 13 leaflets.  
Height of 39" to 8' 2" (100 to 250 cm).  Width of 39" to 4' 11" (100 to 150 cm).
Growing:
USDA zone 4a and warmer.  Can be used for garden, hedge, landscape, rock garden, shrub or specimen.  Vigorous.  can be grown as a shrub.  can be trained as a climber.  drought resistant.  heat tolerant.  prefers full sun.  rain tolerant.  shade tolerant.  Disease susceptibility: disease resistant, susceptible to blackspot , very mildew resistant, very rust resistant.  Remove old canes and dead or diseased wood..  Needs little care; relatively disease-free and quite hardy.  
Breeder's notes:
Here is a thread about it on the RHA Forum.

http://www.rosehybridizers.org/forum/message.php?topid=30068

This crossing is from July 1st in the year 2005, a crossing of Rosa rugosa f. alba x Rosa beggeriana.

I have still got a couple of plants left (out of originally abt. 50-100 plants) as an F1 Population and they are remontant as I have noticed today on August, 23rd in 2010!
Three bushes do have some flowers again, now in August 2010, - the first time they flowered in May 2010.

So here are the features of that breeding line:

- They are mildew resistant but not blackspot resistant.

- They do have pink buds and pure white flowers.

- The smell is an interesting blend of something in between of the typical fresh and rosy Rosa rugosa smell and the foetida like smell of Rosa beggeriana. Smokey and fruity notes together with pine and spice and citral.

- They are very winter hardy, as the parents are.

- Also of good drought resistance, as the parents are, I tested it several times as they grew in pots and got sometimes no water for long periods.

- The fall colour of the leaves is between yellow and orange and red - and even violet - but this depends on the season!

- They (at least three bushes) are remontant. One flush in May, one in August so far.

The known remontancy and winter hardiness of the parents were the reasons for me to do the crossing - and also the fact that Kruessmann writes that it's difficult to breed with beggeriana as there is only one cultivar known: Polstjarnan ("Polar Star").
So I saw it as a challenge ... . And I tried - and it worked - because of the conservative section crossing, I chose, I think. And because of the fertility of Rosa rugosa - that is even good enough for fools! ;-)

The main key for the success of this cross is the same Eurosa section of Rosa rugosa and Rosa beggeriana, the section of the cinnamomea.
I thought about it and guessed this before I did that crossing. My thought was: If Rosa beggeriana is really difficult to cross than I should at least take a closely related partner, which is known well for its outstanding fertility. - Just like Rosa rugosa ... .

I think for the future: a crossing with my Rosa rugosa f. alba x Golden Chersonese plants could also lead to some fertile and salmon or light yellow flowering rose plants without China rose influence and at least a bit remontancy. ...
Ploidy:
Diploid
Notes:
Perhaps a break through to very winter hardy and drought tolerant, remontant rose cultivars.
Perhaps only my personal fun. In any case an interesting achievement with a rose (beggeriana) that should be difficult to cross. ...
 
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