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Denomination: 'Balclinewit'
Trade name: Cloud Nine White
Botanical Name: Ageratum houstonianum
Applicant/Holder: Ball Horticultural Company
622 Town Road
West Chicago, Illinois
United States of America
Breeder: Ball Horticultural Company, West Chicago, United States of America
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-317-7511
Application Date: 2005-02-18
Application Number: 05-4576
Date Withdrawn: 2007-07-05

Variety Description

Variety used for comparison: 'Sage80091'

Summary: 'Balclinewit' differs from 'Sage80091' mainly in growth habit, plant height, petiole length, flower diameter before and after dehiscence and number of flowers per inflorescence. The plants of 'Balclinewit' are compact and bushy-rounded in growth habit whereas the plants of 'Sage80091' are upright-bushy. The plants of 'Balclinewit' are shorter than those of 'Sage80091'. The petioles of 'Balclinewit' are shorter than those of 'Sage80091'. The flowers of 'Balclinewit' are smaller than 'Sage80091' both before and after dehiscence. 'Balclinewit' has more flowers per inflorescence than 'Sage80091'.


PLANT: annual, bushy-rounded compact growth habit, dense branching
STEM: light green, no anthocyanin, dense long pubescence, medium thickness

LEAF: simple, cordate shape, cuspidate apex, cordate base, crenate margins with cuspidate tips, medium to strong blistering, medium pubescence on upper and lower surfaces, medium green on upper surface, no variegation, petiole present

FLOWER: inflorescence (umbel), no anthocyanin on pedicel

Origin & Breeding History: 'Balclinewit' originated from a cross made in August 2002, in Guadalupe, California, USA between the female parent, '01-29-002' and the male parent, '95-346-5'. In June 2003, one plant was selected from the resultant progeny for early and free flowering and well branched growth habit.

Tests & Trials: The tests and trials for 'Balclinewit' were conducted in a polyhouse at BioFlora Inc. in St. Thomas, Ontario during the spring of 2006. The trials included 15 plants of each variety. Rooted cuttings were transplanted into 15 cm pots on April 13, 2006. Observations and measurements were taken from 10 plants of each variety. All colour measurements were made using the RHS colour chart 2001.

Comparison tables for 'Balclinewit' with reference variety 'Sage80091'

Plant height (cm)

  'Balclinewit' 'Sage80091'
mean 19.9 31.8
std. deviation 2.62 2.06

Leaf blade length (cm)

  'Balclinewit' 'Sage80091'
mean 5.2 5.8
std. deviation 0.53 0.66

Leaf blade width (cm)

  'Balclinewit' 'Sage80091'
mean 6.0 6.4
std. deviation 0.72 0.89

Petiole length (mm)

  'Balclinewit' 'Sage80091'
mean 18.9 38.6
std. deviation 2.96 11.41

Number of flowers per inflorescence

  'Balclinewit' 'Sage80091'
mean 12.6 7.3
std. deviation 1.43 1.42

Flower bud diameter (mm)

  'Balclinewit' 'Sage80091'
mean 7.0 9.5
std. deviation 0.47 0.85

Flower diameter after dehiscence (cm)

  'Balclinewit' 'Sage80091'
mean 1.7 2.1
std. deviation 0.17 0.21

Disc floret length after dehiscence (mm)

  'Balclinewit' 'Sage80091'
mean 8.0 8.8
std. deviation 0.82 1.14

Main colour of disc florets (RHS)

  'Balclinewit' 'Sage80091'
before flowering (at bud stage) 155A-154D 155A-154D
after dehiscence 155C 155C, turns blue with age

Click on image for larger view
Ageratum: 'Balclinewit' (left) with reference variety 'Sage80091' (right)

Click on image for larger view
Ageratum: 'Balclinewit' (left) with reference variety 'Sage80091' (right)

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