Denomination: 'USCAL56501'
Trade name: Superbells Lavender
Botanical Name: Calibrachoa
Applicant/Holder: Plant 21 LLC
32149 Aquaduct Road
Bonsall, California
United States of America
Breeder: Ushio Sakazaki, Shiga, Japan
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-631-6241
Application Date: 2009-03-27
Application Number: 09-6588
Grant of Rights Date: 2011-08-19
Certificate Number: 4139
Date rights surrendered: 2014-08-19

Variety Description

Variety used for comparison: 'Caluplivi' (Superbells Trailing Light Blue)

Summary: The plants of 'USCAL56501' are larger than those of 'Caluplivi'. The colour of the upper and lower sides of the corolla lobes of 'USCAL56501' differ in colour from those of 'Caluplivi'.


PLANT: upright to creeping growth habit

LEAF BLADE: elliptic, broad acute, no variegation, light to medium green on upper side

SEPAL: no anthocyanin colouration
FLOWER: single type
COROLLA: weak degree of lobing, purple veins, two colours on upper side
COROLLA LOBE: upper side violet (RHS N82A-B) when newly opened and fading to lighter violet (RHS N82D) when fully opened, violet (RHS N82B) at transition to corolla tube on upper side, weak to medium conspicuousness of veins on upper side, light blue violet (RHS 76B) with brown purple (RHS N77A) midveins and violet (RHS N78C) secondary veins on lower side, truncate and emarginate apex
COROLLA TUBE: yellow (RHS 9A) on inner side, medium conspicuousness of veins on inner side

Origin & Breeding History: 'USCAL56501' originated from a controlled cross between the female parent proprietary seedling designated 'CJ06U229' and the male parent proprietary seedling designated 'C420-01' conducted in Higashiomi, Shiga, Japan on May 5, 2006. The new variety is the product of a planned breeding program developed by the breeder, Ushio Sakazaki, in Higashiomi, Shiga, Japan. 'USCAL56501' was selected as a single plant from the resultant progeny on July 17, 2007 in Bonsall, California, United States based on flower colour, flower size, growth habit and summer performance. The new variety 'USCAL56501' was first propagated by vegetative cuttings on July 20, 2007, in Bonsall, California, United States.

Tests & Trials: Trials for 'USCAL56501' were conducted in a polyhouse during the summer of 2010 in St. Thomas, Ontario. The trial included a total of 20 plants each of the candidate and reference varieties. All plants were grown from rooted cuttings and transplanted into 30 cm hanging baskets on May 21, 2010. Each basket contained 4 cuttings with a total of 5 baskets per variety. Observations and measurements were taken from 10 plants of each variety on July 13, 2010. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'USCAL56501' with reference variety 'Caluplivi'

Plant height (cm)

  'USCAL56501' 'Caluplivi'
mean 19.5 12.2
std. deviation 2.03 2.10

Plant width (cm)

  'USCAL56501' 'Caluplivi'
mean 65.2 58.5
std. deviation 1.35 2.18

Colour of upper side of corolla lobe (RHS)

  'USCAL56501' 'Caluplivi'
main N82A-B fading to lighter than N82D when fully opened 85A with strong N82B-C secondary veins
secondary N82B at transition to corolla tube 83B at transition to corolla tube

Colour of lower side of corolla lobe (RHS)

  'USCAL56501' 'Caluplivi'
main 76B with N77A midvein and weak N78C secondary veins 85A with N79A midveins and strong 77A secondary veins

Click on image for larger view
Calibrachoa: 'USCAL56501' (left) with reference variety 'Caluplivi' (right)

Click on image for larger view
Calibrachoa: 'USCAL56501' (left) with reference variety 'Caluplivi' (right)

Click on image for larger view
Calibrachoa: 'USCAL56501' (left) with reference variety 'Caluplivi' (right)

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