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'Morthirthree' rose Description
'Persian Autumn' rose photo
Photo courtesy of Rosarium M.Kralka
Availability:
Commercially available
Synonyms:
HMF Ratings:
30 favorite votes.  
ARS:
Apricot or apricot blend Shrub.
Registration name: Morthirthree
Exhibition name: Persian Autumn
Origin:
Bred by Ralph S. Moore (United States, 2005).
Introduced in United States by Sequoia Nursery, Moore Miniature Roses Historic Archive in 2005 as 'Persian Autumn'.
Class:
Hybrid Hulthemia persica, Shrub.  
Bloom:
Apricot or apricot blend.  None to mild fragrance.  4 to 11 petals.  Average diameter 2".  Medium, single (4-8 petals), in small clusters bloom form.  Spring or summer flush with scattered later bloom.  
Habit:
Tall, arching, spreading.  Medium, semi-glossy, medium green foliage.  

Height: 4' to 5' (120 to 150cm).  
Growing:
USDA zone 6b through 9b (default).  Can be used for garden, landscape, shrub or specimen.  Very vigorous.  Remove spent blooms to encourage re-bloom.  Spring Pruning: Remove old canes and dead or diseased wood and cut back canes that cross. In warmer climates, cut back the remaining canes by about one-third. In colder areas, you'll probably find you'll have to prune a little more than that.  
Breeder's notes:
Repeat bloom hulthemia hybrid, vigorous, arching shrub.
Patents:
Patent status unknown (to HelpMeFind).
Ploidy:
Tetraploid
Notes:
Ploidy determined by David Zlesak.
 
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