Denomination: 'HERTN042'
Trade name: Strike it Rich Pink Gem
Botanical Name: Heucherella
Applicant/Holder: Terra Nova Nurseries, Inc.
10051 S. Macksburg Rd.
Canby, Oregon
United States of America
Breeder: Garry J. Gosset, Portland, 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: 2004-11-17
Application Number: 04-4485
Grant of Rights Date: 2006-10-23
Certificate Number: 2567
Date rights surrendered: 2011-11-01

Variety Description

Variety used for comparison: 'Dayglow Pink'

Summary: 'HERTN042' is a Heucherella variety that has variegated leaves with deeper sinuses between the lobes than the leaves of the reference variety 'Dayglow Pink'. 'HERTN042' has a dark green main colour of the upper side of the leaves, with grey green secondary colour between the veins. The leaves of 'Dayglow Pink' have a lighter, more yellow green main colour. 'HERTN042' has moderate pubescence on the petiole, whereas there is dense pubescence on the petiole of 'Dayglow Pink'.


'HERTN042' is a Heucherella variety with a mounding plant growth habit. The leaves are simple, broad ovate in general shape and palmately lobed. There are moderate to deep sinuses between the lobes. The base of the leaf blade is open. The leaf margins are ciliate with moderately deep, crenate incisions. There is very weak undulation of the leaf margins. Pubescence on the upper side is very sparse. On the lower side of the leaf 'HERTN042' has dense pubescence. The main colour on the upper side of the leaf is dark green and the secondary colour is grey green, occurring between the veins. Along the margins of the veins there is greyed purple colouration. The lower side of the leaf is light grey green. The petiole of 'HERTN042'is green with moderate pubescence.

Origin & Breeding History: The variety 'HERTN042' was developed by the breeder in Canby, Oregon. It originated from an intergeneric cross made in May 2000, between selected Heuchera hybrids with massed pollen from selected Tiarella hybrids. The new variety was selected based on flower colour, compact habit, leaf shape and colour and excellent plant vigour.

Tests & Trials: Tests and trials for 'HERTN042' were conducted in a polyhouse during the spring of 2005, in St. Thomas, Ontario. The trial included a total of 15 plants of each variety. All plants were grown from rooted cuttings, transplanted into 15 cm pots on April 29, 2005. Foliage height was recorded on July 15, 2005. All other observations and measurements were taken from 10 plants of each variety on June 29, 2005. All colour measurements were made using the 2001 RHS Colour Chart.

Comparison tables for 'HERTN042' with reference variety 'Dayglow Pink'

Colour of upper side of leaf (RHS)

  'HERTN042' 'Dayglow Pink'
main 137A 146A
secondary greyer than 194A N/A
tertiary N187A N/A

Colour of lower side of leaf (RHS)

  'HERTN042' 'Dayglow Pink'
main 147B 148B
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