From the "American Rose Society Handbook for Selecting Roses",
1999, page 3:
Each year members of the American Rose Society are invited to participate in
the annual evaluation of new rose introductions in their respective climate
regions. This program is referred to as "Rose in Review" or RIR.
Recently introduced roses are evaluated in a number of different
categories for three consecutive years immediately following their introduction
date. The scoring system used is as follows:
9.3 -10: One of the best roses ever. Scores in this range are
seldom awarded.
8.8 - 9.2: An outstanding rose. One with major positive
features and essentially no negatives, the top 1%.
8.3 - 8.7: A very good to excellent rose. One recommended
without hesitation.
7.8 - 8.2 A solid to very good rose. Its good features
easily outweigh any problems. Well above average.
7.3 - 7.7: A good rose. A little to somewhat above average.
6.8 - 7.2: An average rose
6.1 - 6.7: A below average rose
0.0 - 6.0: Not recommended
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