Cante Ros


Denomination: 'Cante Ros'
Trade name: Caliente Rose
Botanical Name: Pelargonium ×hortorum x P. tongaense
Applicant/Holder: Syngenta Crop Protection AG
Schwarzwaldallee 215
Breeder: Mitchell Hanes, Goldsmith Seeds, Inc., Morgan Hill, United States of America
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-631-6241
Application Date: 2003-07-09
Application Number: 03-3758
Grant of Rights Date: 2005-10-03
Certificate Number: 2217
Grant of Rights Termination Date: 2023-10-03

Variety Description

Varieties used for comparison: 'Balgalpipn' (Galleria Pink Punch) and 'Cante Cora' (Caliente Coral)

Summary: 'Cante Ros' has a higher number of branches than 'Balgalpipn' and a lower number than 'Cante Coras'. The leaf of 'Cante Ros' has deeper lobing and no leaf zone while the leaf of 'Balgalpipn' has a medium leaf zone. 'Cante Ros' has denser pubescence on the peduncle than the reference varieties. 'Cante Ros' has no anthocyanin on the peduncle while 'Balgalpipn' has medium anthocyanin. 'Cante Ros' has a single floret while 'Balgalpipn' has a double floret. 'Cante Ros' differs from the reference varieties in flower colour.


'Cante Ros' is a hybrid pelargonium variety which has an intermediate growth habit. The stem is green in colour, thin to medium in thickness and has dense, very long pubescence. The leaf blade is medium in length and medium to wide in width. The leaf blade has an open base and bicrenate margins which have strong waviness. The leaf lobes are deep. The upper side of the leaf has dense pubescence and is medium green in colour with no leaf zone. The petiole has dense to very dense pubescence.

'Cante Ros' produces salmon pink inflorescences that are medium in diameter. The peduncle is medium to long in length with dense pubescence and no anthocyanin colouration. The buds are narrow elliptic in shape. The florets of 'Cante Ros' are single and have entire petal margins. The upper petal is medium to wide in width with strong striped markings. The upper petal has no white zone at the base. The lower petal has no markings present. The pedicel has medium pubescence and is green to light red in colour in the middle third of its length. The sepals are green in colour.

Origin & Breeding History: 'Cante Ros' originated from a cross between two proprietary lines, made in January 1999, at Gilroy, California, USA. The resultant seed was sown in a greenhouse in March 1999 and in June 1999 a single plant was selected based on flower colour, flower form and plant habit.

Tests & Trials: 'Cante Ros' was tested in a greenhouse during the summer of 2004, in St. Thomas, Ontario. Trials included 15 plants of the candidate and reference varieties. Rooted cuttings were planted into 11cm pots on June 12, 2004. Observations and measurements were taken from 10 plants of each variety on August 16, 2004. All colour measurements were made using the 2001 RHS Colour Chart.

Comparison tables for 'Cante Ros' with reference varieties 'Balgalpipn' and 'Cante Cora'

Number of branches

  'Cante Ros' 'Balgalpipn' 'Cante Cora'
mean 11.4 6.1 15.5
std. deviation 2.07 1.45 2.37

Colour of upper petal (RHS)

  'Cante Ros' 'Balgalpipn' 'Cante Cora'
margin N57B 58C 52A
middle N57A 58C 52A
markings 61A 61B 61A-B
between markings 52B 48D 52C
lower side lighter than 58B 61D 52B(and fading)

Colour of lower petal (RHS)

  'Cante Ros' 'Balgalpipn' 'Cante Cora'
margin N57B N57C 52A
middle N57B N57C 52A
lower side lighter than 61C 61D 52B(and fading)
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