Denomination: 'Barsixty'
Trade name: White Eye Flame
Botanical Name: Phlox paniculata
Applicant/Holder: Bartels Stek B.V.
P.O. Box 26
2678 ZG
De Lier
Breeder: G.B.H. Bartels, Bartels Breeding B.V., Aalsmeer, Netherlands
Agent in Canada: Genesis Plant Propagation Ltd.
24245 - 48th Avenue
Langley, British Columbia
V2Z 2M4
Tel: 604-514-1799
Application Date: 2010-03-05
Application Number: 10-6877
Grant of Rights Date: 2011-09-06
Certificate Number: 4170
Date rights surrendered: 2016-09-06

Variety Description

Variety used for comparison: 'Bartwentynine' (White Flame)

Summary: The plants of 'Barsixty' are taller than those of 'Bartwentynine'. 'Barsixty' has smaller leaves than 'Bartwentynine'. The corolla of 'Barsixty' have a purple eye present while those of 'Bartwentynine' have no eye.


STEM: medium thickness at middle third, absent or very weak anthocyanin colouration

LEAF BLADE: moderately elongated, broadest part at middle, acuminate to acute apex, no variegation, absent or weak anthocyanin colouration

INFLORESCENCE: many flowers
CALYX: medium length, absent or weak anthocyanin colouration
FLOWER: perianth present
COROLLA LOBE: medium length, medium width, obdeltate, white (RHS 155C) with purple (RHS N74A) eye on upper side
COROLLA TUBE: long, small diameter just below lobes

Origin & Breeding History: 'Barsixty' was discovered as a seedling by Bartels Breeding B.V. in Aalsmeer, The Netherlands in 2005. The parents of 'Barsixty' are the breeding references, as the female parent and, as the male parent. The new phlox variety was selected based on its growth type and suitability for potting production.

Tests & Trials: Trials for 'Barsixty' were conducted at Genesis Plant Propagation Ltd. in Langley, British Columbia, Canada in the summer of 2010. The trial consisted of 25 plants per variety grown in 15 cm pots outdoors. The plants were grown in a grid pattern and spaced 30-40 cm apart. Observations and measurements were taken from 10 plants of each variety. Colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'Barsixty' with reference variety 'Bartwentynine'

Plant height (cm)

  'Barsixty' 'Bartwentynine'
mean 25.1 19.2
std. deviation 1.5238 0.9189

Leaf blade length (cm)

  'Barsixty' 'Bartwentynine'
mean 5.6 6.5
std. deviation 0.5877 0.7823

Leaf blade width (cm)

  'Barsixty' 'Bartwentynine'
mean 2.5 3.5
std. deviation 0.0666 0.4082

Colour of corolla (RHS)

  'Barsixty' 'Bartwentynine'
eye N74A N/A

Click on image for larger view
Phlox: 'Barsixty' (right) with reference variety 'Bartwentynine' (left)

Click on image for larger view
Phlox: 'Barsixty' (right) with reference variety 'Bartwentynine' (left)

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