Yogigi Snow


Denomination: 'Yogigi Snow'
Trade name: Gigi Snow
Botanical Name: Chrysanthemum ×morifolium
Applicant/Holder: Syngenta Crop Protection AG
Schwarzwaldallee 215
Breeder: Mark Smith, Syngenta Flowers, Inc., Gilroy, 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: 2009-10-30
Application Number: 09-6774
Grant of Rights Date: 2011-12-05
Certificate Number: 4236
Date rights surrendered: 2014-10-03

Variety Description

Variety used for comparison: 'Crete'

Summary: The leaf of 'Yogigi Snow' has a very shallow lowest lateral sinus while the leaf of 'Crete' has a medium depth lowest lateral sinus. The inner side of the ray floret of 'Yogigi Snow' is white with a flush of purple when it ages while the ray floret of 'Crete' is white at all ages.


PLANT: bushy, semi-upright to hemispherical growth habit, dense branching, green stem

LEAF: moderately upwards attitude of petiole, medium length terminal lobe relative to leaf length, rounded base, upper side medium green with absent or very weak glossiness
LOWEST LATERAL SINUS: very shallow, diverging margins

INFLORESCENCE: many flower heads per plant
FLOWER HEAD: double, dense to very dense ray florets
RAY FLORETS: ligulate type with inner ray florets rolled to quill-like, upper surface with two keels, short corolla tube, flat profile in cross section at widest point, weakly revolute to flat margin at distal half, straight longitudinal axis, ray florets at inner row with moderate incurving along longitudinal axis, incurving at distal quarter, dentate tip, inner side white (RHS NN155B) aging to white with a flush of purple (RHS 70B), outer side white (RHS NN155A-B), inner and outer side of ray florets in inner row yellow green (RHS 2D).

Origin & Breeding History: The variety 'Yogigi Snow' originated from a naturally occurring whole plant mutation of the parent variety 'Yogigi White'. The variety was discovered and selected by the breeder in April 2007 in Alva, Florida, USA. Selection was based on criteria for flower colour and plant habit.

Tests & Trials: Trials for 'Yogigi Snow' were conducted in an outdoor irrigated trial during the summer of 2010 in St. Thomas, Ontario. The trial included a total of 15 plants of each variety. All plants were grown from rooted cuttings and transplanted into 20 cm pots on June 29, 2010. Observations and measurements were taken from 10 plants of each variety on September 23, 2010. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.

Comparison table for 'Yogigi Snow' with reference variety 'Crete'

Colour or ray floret (RHS)

  'Yogigi Snow' 'Crete'
inner side NN155B, flush of 70B with age NN155C
outer side NN155A-B NN155C

Click on image for larger view
Yogigi Snow
Chrysanthemum: 'Yogigi Snow' (left) with reference variety 'Crete' (right)

Click on image for larger view
Yogigi Snow
Chrysanthemum: 'Yogigi Snow' (left) with reference variety 'Crete' (right)

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