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Rose
Grades
The following information pertaining to
rose grades has been taken from the American Association of Nurserymen
publication "American Standard for Nursery Stock". This is the
commonly accepted standards used industry-wide in North America. While
there are Canadian standards published and they are similar in general
to the American standards they are neither as specific nor as quite as
demanding for roses. Example
photo bottom of page
Hybrid Tea, Grandiflora, Floribunda,
Rugosa, Hybrid Perpetuals, Moss and Climbing Roses
Grade #1
At least 3 strong canes 5/16"
(.8cm) in caliper and up, branched not higher than 3 inches from the
bud union.
Grade #1 ½
At least 2 strong canes 5/16"
(.8cm) in caliper and up, branched not higher than 3 inches from the
bud union.
Polyantha, Shrub, low growing
Floribunda Roses
Grade #1
At least 3 strong canes ¼" (.6cm)
in caliper and up, branched not higher than 3 inches from the bud
union.
Grade #1 ½
At least 2 strong canes ¼" (.8cm)
in caliper and up, branched not higher than 3 inches from the bud
union.
Field Grown Miniatures
Grade #1
At least 2 canes one of which
shall be ¼" (.6cm) in diameter and the other 9/32" (.7cm) or 5
canes, one of which shall be ¼" (.6cm) in diameter and the others
smaller.
Shown below, starting on the left: Climber
#1 grade, Climber #1½ grade, Hybrid Tea #1 grade, Hybrid Tea #1½
grade
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