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Denomination: 'Hormeteoric'
Trade name: Oso Easy Strawberry Crush
Botanical Name: Rosa
Applicant/Holder: Spring Meadow Nursery, Inc.
12601 120th Avenue
Grand Haven, Michigan
United States of America
Breeder: Colin Peter Horner, Stransted, Essex, United Kingdom
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-317-7511
Application Date: 2007-07-13
Application Number: 07-5976
Grant of Rights Date: 2009-08-25
Certificate Number: 3585
Date rights surrendered: 2014-07-11

Variety Description

Variety used for comparison: 'Noatraum' (Flower Carpet Pink)

Summary: 'Hormeteoric' is a compact shrub type while 'Noatraum' is a ground cover type rose. The stem of 'Hormeteoric' has more prickles than 'Noatraum'. The upper side of the leaf of 'Hormeteoric' has weaker glossiness than 'Noatraum'. The flower petal margin of 'Hormeteoric' has stronger reflexing than 'Noatraum'. The flower petal of 'Hormeteoric' is a dark pink red to a red pink with light yellow at the base while in 'Noatraum' it is purple red with white at the base. 'Hormeteoric' has a light yellow colour to the outer side of the flower petal while it is purple red in 'Noatraum'.


PLANT: compact shrub type, moderately spreading growth habit
PRICKLES/THORNS: reddish, many on the stem
LEAF: light to medium green on upper side, medium glossiness on upper side, anthocyanin colouration at margin edge fading with age, very weak to weak undulation of margin
TERMINAL LEAFLET: ovate shape, rounded base, acuminate apex

FLOWERING SHOOT: few flowering laterals, few to medium number of flowers per lateral
FLOWER BUD: medium ovate shape in longitudinal section
SEPAL: absent to very weak extensions
FLOWER: semi-double type, medium petal density, irregularly rounded when viewed from above, flat on upper part when viewed from the side, concave on lower part when viewed from the side, pink blend American Rose Society colour group, medium fragrance
PETAL: obovate shape, absent to very weak incisions, two colours, dark pink red to red pink with light yellow at the base on inner side, light yellow on outer side, medium reflexing of the margin, weak to medium undulation of the margin
BASAL PETAL SPOT: small, light yellow on inner side
OUTER STAMEN: medium yellow filament

Origin & Breeding History: 'Hormeteoric' originated from the cross made in 1994 between the female parent, 'Anna Ford' and the male parent, 'Euphorbia' in Stanstead, Essex, UK. In 1995, a single plant was selected from the progeny based on flower colour and abundance, attractive foliage, growth habit and good black spot resistance.

Tests & Trials: Field trials were conducted during the summer of 2008 in St. Thomas, Ontario. There were 8 plants of each variety planted in May 2007 in rows with plants spaced 2 feet apart and rows spaced 3 feet apart. All colour measurements were made using the Royal Horticultural Society Colour Chart 2001.

Comparison table for 'Hormeteoric' with reference variety 'Noatraum'

Petal colour (RHS)

  'Hormeteoric' 'Noatraum'
inner side 52A-B more pink than N57A
inner side base 10C white
outer side 11B-C more pink than N57A

Click on image for larger view
Rose: 'Hormeteoric' (left) with reference variety 'Noatraum' (right)

Click on image for larger view
Rose: 'Hormeteoric' (left) with reference variety 'Noatraum' (right)

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