Denomination: 'Barthirtyfive'
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
Tel: 604-514-1799
Application Date: 2006-04-06
Application Number: 06-5423
Grant of Rights Date: 2007-11-22
Certificate Number: 3005
Date rights surrendered: 2014-11-17

Variety Description

Varieties used for comparison: 'Bartwelve' and 'Barten'

Summary: 'Barthirtyfive' has a taller plant height than the reference varieties. The plant width of 'Barthirtyfive' is narrower than that of 'Bartwelve'. 'Barthirtyfive' has a longer leaf than the reference varieties. The leaf of 'Barthirtyfive' is wider than that of 'Bartwelve'. 'Barthirtyfive' has a narrower cyme than the reference varieties. The flower petal of 'Barthirtyfive' is blue pink with white at the base while in 'Bartwelve' it is violet with a purple base and 'Barten' it is violet with a white base.


PLANT: perennial, upright to bushy growth habit, begins flowering in midseason

LEAF: lanceolate shape, no glandular stickiness, very sparse to no pubescence on upper and lower side, medium green

CYME: domed shape, single
FLORET: round shape, bicolour, blue pink with white around the eye zone on the upper side, blue pink on lower side

Origin & Breeding History: 'Barthirtyfive' was discovered in Aalsmeer, The Netherlands in 1995 by seedling selection as a product of a planned breeding program. The cross of female parent 98.4 with the male parent took place in 1994. Selection criteria included dwarf growth habit and suitability for potting production.

Tests & Trials: Tests and trials were conducted during the summer of 2006 in Langley, British Columbia. Trials consisted of 25 plants of each variety individually grown in 1 gallon pots outdoors. Observations and measurements were taken from 10 plants of each variety. Colour determinations were done using the 2001 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'Barthirtyfive' with reference varieties 'Bartwelve' and 'Barten'

Plant height (cm)

  'Barthirtyfive' 'Bartwelve' 'Barten'
mean 42.5 34.6 32.0
std. deviation 0.94 1.51 0.82

Plant width (cm)

  'Barthirtyfive' 'Bartwelve' 'Barten'
mean 22.3 33.0 25.0
std. deviation 1.32 1.25 1.20

Leaf length (cm)

  'Barthirtyfive' 'Bartwelve' 'Barten'
mean 10.6 8.0 8.1
std. deviation 0.21 0.41 0.57

Leaf width (cm)

  'Barthirtyfive' 'Bartwelve' 'Barten'
mean 3.8 2.4 4.2
std. deviation 0.12 0.09 1.13

Cyme diameter (cm)

  'Barthirtyfive' 'Bartwelve' 'Barten'
mean 17.3 25.0 25.8
std. deviation 2.00 0.82 1.38

Petal colour (RHS)

  'Barthirtyfive' 'Bartwelve' 'Barten'
upper side apical zone 67B N78B N81B
upper side basal zone 155D N74A 155D
lower side apical zone 67B N78C 155D
lower side basal zone 67B N78C N81D

Click on image for larger view
Phlox: 'Barthirtyfive' (left) with reference variety 'Bartwelve' (centre) and Barten' (right)

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