Denomination: 'Barsixtyone'
Trade name: Violet 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: 10-6878
Grant of Rights Date: 2011-09-06
Certificate Number: 4171
Date rights surrendered: 2016-09-06

Variety Description

Variety used for comparison: 'Barthirtyone' (Velvet Flame)

Summary: The leaf blades of 'Barsixtyone' are larger than those of 'Barthirtyone'. The inflorescence of 'Barsixtyone' have many flower while those of 'Barthirtyone' have a medium number of flowers. The upper side of the corolla lobes of 'Barsixtyone' are violet with no eye while those of 'Barthirtyone' are purple with an eye.


STEM: medium thickness, absent or very weak anthocyanin colouration

LEAF BLADE: moderately elongated, broadest part in middle, acuminate to acute apex, no variegation, absent or very weak anthocyanin colouration on upper side

INFLORESCENCE: many flowers
CALYX: medium length, absent or very weak anthocyanin colouration
FLOWER: perianth present
COROLLA LOBE: medium length, medium width, obdeltate, violet (RHS N82C) on upper side, no eye
COROLLA TUBE: medium length, small diameter just below lobes

Origin & Breeding History: 'Barsixtyone' was discovered as a seedling by Bartels Breeding B.V. in Aalsmeer, The Netherlands in 2006. The parents of 'Barsixtyone' 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 'Barsixtyone' 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 'Barsixtyone' with reference variety 'Barthirtyone'

Leaf blade length (cm)

  'Barsixtyone' 'Barthirtyone'
mean 5.5 4.7
std. deviation 0.0843 0.3634

Leaf blade width (cm)

  'Barsixtyone' 'Barthirtyone'
mean 3.1 2.0
std. deviation 0.2163 0.1197

Colour of corolla (RHS)

  'Barsixtyone' 'Barthirtyone'
main N82C N74A with fading towards base

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

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

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