Pink Lemonade


Denomination: 'Pink Lemonade'
Trade name: Sunshine Pink
Botanical Name: Coreopsis
Applicant/Holder: Terra Nova Nurseries, Inc.
10051 S. Macksburg Rd.
Canby, Oregon
United States of America
Breeder: Harini Korlipara, Terra Nova Nurseries, Inc., Canby, 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: 2006-03-21
Application Number: 06-5334
Grant of Rights Date: 2007-08-17
Certificate Number: 2866
Date rights surrendered: 2012-09-06

Variety Description

Variety used for comparison: 'Limerock Passion'

Summary: 'Pink Lemonade' has longer leaf blades than 'Limerock Passion'. The flower heads of 'Pink Lemonade' have a smaller diameter and shorter ray florets than those of 'Limerock Passion'. 'Pink Lemonade' has shorter peduncles than 'Limerock Passion'.


PLANT: upright compact mounding habit, dense degree of branching

STEM: light to medium green, absent to very weak anthocyanin colouration, medium to dense pubescence, thin, smooth surface

LEAF: opposite, simple
LEAF BLADE: linear, acute apex, attenuate base, entire margin, no variegation, yellow green on the upper and lower sides, moderate pubescence on the upper and lower side, very weak glaucosity
PETIOLE: absent

PEDUNCLE: absent to very weak anthocyanin colouration, very sparse to sparse pubescence
INFLORESCENCE: solitary type
FLOWER: terminal position on flowering stem, erect attitude
RAY FLORET: open to touching, straight longitudinal axis for the majority, obovate, emarginated apex with two notches, or mammilate, absent to very weak recurvature of tip, purple on the upper side and greyed white overlaid with blue pink on the lower side, light yellow brown veins, very weak pubescence on outer side
FLORET DISC: present

Origin & Breeding History: 'Pink Lemonade' was discovered and developed by the breeder Harini Korlipara, an employee of Terra Nova Nurseries Inc., in Canby, Oregon, U.S.A. The new variety originated from a proprietary seedling placed in tissue culture. The new variety was selected in March 2004 based on flower colour.

Tests & Trials: The test and trial for 'Pink Lemonade' was conducted in a polyhouse during the summer of 2006 at BioFlora Inc. in St. Thomas, Ontario. The trial included 15 plants of each variety. Rooted cuttings were transplanted into 15 cm pots on May 25, 2006. Observations and measurements were taken from 10 plants of each variety on August 31, 2006. All colour measurements were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'Pink Lemonade' with reference variety 'Limerock Passion'

Leaf blade length (cm)

  'Pink Lemonade' 'Limerock Passion'
mean 3.4 2.8
std. deviation 0.38 0.40

Peduncle length (cm)

  'Pink Lemonade' 'Limerock Passion'
mean 3.2 4.1
std. deviation 0.61 0.55

Flower head diameter (cm)

  'Pink Lemonade' 'Limerock Passion'
mean 2.3 2.9
std. deviation 0.12 0.34

Ray floret length (cm)

  'Pink Lemonade' 'Limerock Passion'
mean 1.0 1.4
std. deviation 0.07 0.11

Click on image for larger view
Pink Lemonade
Coreopsis: 'Pink Lemonade' (left) with reference variety 'Limerock Passion' (right)

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