Denomination: 'Kiecabul'
Trade name: Spring Fling Blue
Botanical Name: Calibrachoa
Applicant/Holder: Kieft Bloemzaden B.V.
Elbaweg 35
1607 MN
Breeder: Cees Van Diepen, Kieft Bloemzaden B.V., Venhuizen, Netherlands
Agent in Canada: Variety Rights Management
475 County Road 18
R.R. #2
Oxford Station, Ontario
K0G 1T0
Tel: 613-258-9015
Application Date: 2002-09-04
Application Number: 02-3232
Date abandoned: 2007-12-10

Variety Description

Variety used for comparison: 'Kakegawa S1'

Summary: The inner side of the corolla for 'Kiecabul' is blue violet changing to darker blue violet in the area of transition to the corolla tube while for 'Kakegawa S1', it is violet. The inner side of the corolla tube is greenish yellow for 'Kiecabul' while it is lighter greenish yellow for 'Kakegawa S1'.


'Kiecabul' is a Calibrachoa variety with upright to creeping plant growth habit. The plants are short and the shoots are medium in length with very weak anthocyanin colouration. The shape of the leaf blade ranges from elliptic to obovate with an obtuse apex. The upper side of the leaf blade is medium green and there is no variegation. There is no petiole.

The flowers produced by 'Kiecabul' are single type. Anthocyanin colouration of the sepals is absent. The degree of lobing of the corolla is weak. The inner side of the corolla is blue violet changing to darker blue violet in the area of transition to the corolla tube. The outer side of the corolla is blue violet. The lobes of the corolla have a rounded apex. The inner side of the corolla tube is light greenish yellow and conspicuousness of the veins within the corolla tube is strong.

Origin & Breeding History: 'Kiecabul' originated from a cross which took place in 1999 in Venhuizen, The Netherlands. The female parent was an inbred breeding line designated 'KA-1796' and the male parent was another inbred breeding line designated 'KA-12-1777'. 'Keicabul' was selected in 2000 based on its uniformity, stability and blue flowers appropriate for use in the Spring Fling series.

Tests & Trials: The test and trial for 'Kiecabul' was conducted in a polyhouse at Variety Rights Management in Oxford Station, Ontario during the summer of 2005. The trial included 15 plants of each variety grown in 10 cm pots. The plants were spaced 13 cm apart. All colour characteristics were determined using the 2001 Royal Horticultural Society (RHS) colour chart and measured characteristics were based on ten measurements.

Comparison tables for 'Kiecabul' with reference variety 'Kakegawa S1'

Colour of corolla (RHS)

  'Kiecabul' 'Kakegawa S1'
primary - inner side N89C N87A/B
secondary - inner side N89A N/A
outer side N88D N87D

Colour of corolla tube (RHS)

  'Kiecabul' 'Kakegawa S1'
inner side 157A 150D

Click on image for larger view
Calibrachoa: 'Kiecabul' (left) with reference variety 'Kakegawa S1' (right)

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