Denomination: 'HJ-03-88-AY'
Previously Proposed Denomination: 'HJ-03-88-All Yellow'
Trade name: Highliter
Botanical Name: Hibiscus rosa-sinensis
Applicant/Holder: Buffinga, Henry
R.R. #2
Seaforth, Ontario
N0K 1W0
Breeder: Henry Buffinga, Seaforth, Ontario
Application Date: 2006-05-01
Application Number: 06-5457
Grant of Rights Date: 2008-05-27
Certificate Number: 3215
Date rights revoked: 2011-10-18

Variety Description

Variety used for comparison: 'HJ-04-06'

Summary: 'HJ-03-88-AY' has broader petals than 'HJ-04-06'. The flowers of 'HJ-03-88-AY' are one coloured while those of 'HJ-04-06' are tri-coloured. The upper side of the petals of 'HJ-03-88-AY' are yellow while those of 'HJ-04-06' are yellow with a white middle zone and red pink base. Undulation of the petal margins of 'HJ-03-88-AY' is medium to strong while it is weak to medium for 'HJ-04-06'. 'HJ-03-88-AY' has no spot at the base of the petals whereas 'HJ-04-06' has a medium sized red spot at the base of each petal. The pistil, style and filament of 'HJ-03-88-AY' are yellow while for 'HJ-04-06' the pistil is orange red, the style is light red pink and the filament is pink.


PLANT: medium dense branching, upright attitude of branches
STEM: medium green changing to tan when mature, strong anthocyanin colouration on new growth, absent or very sparse pubescence

LEAF: simple type, alternate arrangement along the stem
LEAF BLADE: medium green, no variegation, very short and sparse pubescence, ovate to cordate, cordate base, acute apex
LEAF BLADE MARGIN: medium undulation, crenate, shallow to medium incisions

FLOWER: single type, one coloured, yellow colour group, medium overlapping petals
PETAL: spatulate, mainly yellow on upper side, yellow orange on lower side, medium to strong undulation of margin
PISTIL: yellow
STYLE: yellow
FILAMENT: yellow

Origin & Breeding History: 'HJ-03-88-AY' originated from a cross between Hibiscus variety 'HJ-00-05' as the female parent and variety 'HJ-00-01' as the male parent. This hand pollinated cross was conducted by the breeder, Henry Buffinga, at H & J Buffinga Farm in Seaforth, Ontario in November 2002. 'HJ-03-88-AY' was selected for its colour and the persistance of its flowers.

Tests & Trials: Trials for 'HJ-03-88-AY' were conducted in a polyhouse during the winter of 2006-2007 at H & J Buffinga Farm in Seaforth, Ontario. There were ten (10) plants of the candidate variety and five (5) plants of the reference variety. All plants were grown in 17 cm pots. Measured characteristics were based on measurements taken from 10 plants or parts of plants on April 11, 2007. All colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'HJ-03-88-AY' with reference variety 'HJ-04-06'

Petal width (cm)

  'HJ-03-88-AY' 'HJ-04-06'
mean 10.1 8.8
std. deviation 0.52 0.45

Petal colour RHS)

  'HJ-03-88-AY' 'HJ-04-06'
main - upper side 12A 12A
secondary - upper side N/A 155B
base - upper side 12A 46A
basal spot - upper side N/A 46A
lower side 13B-C 13C

Click on image for larger view
Hibiscus: 'HJ-03-88-AY' (formerly 'HJ-03-88-All Yellow') (left) with reference variety 'HJ-04-06' (right)

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