Denomination: 'Kielowa'
Trade name: Waterfall White
Botanical Name: Lobelia
Applicant/Holder: Kieft Bloemzaden B.V.
Elbaweg 35
1607 MN
Breeder: Cees Van Diepen, Kieft Bloemzaden B.V., Venhuizen, Netherlands
Agent in Canada: Variety Rights Management
475 County Road 18
R.R. #2
Oxford Station, Ontario
K0G 1T0
Tel: 613-258-9015
Application Date: 2002-09-04
Application Number: 02-3239
Date abandoned: 2008-10-01

Variety Description

Variety used for comparison: 'Lobtrawi' (Laguna White)

Summary: 'Kielowa' has a slightly larger plant than 'Lobtrawi'. The peduncle of 'Kielowa' is longer than 'Lobtrawi'. 'Kielowa' has a smaller flower diameter than 'Lobtrawi'.


PLANT: vegetatively propagated annual, spreading/trailing growth habit, medium green stem, absent or very sparse pubescence on the stem

LEAF: arranged alternately, simple type, obovate in shape, acute apex, attenuate base, serrate margin, medium green, no variegation present, no petiole

INFLORESCENCE: raceme type, peduncle present, flowers almost continuously early in the season for a long amount of time
FLOWER: simple type, positioned axillary, erect attitude facing outward
COROLLA: five lobes partially fused, small to medium size, bilabiate shape, white

Origin & Breeding History: The new cultivar was developed from a half-sib cross, KA-99-1/3, between two unnamed parental lines of Lobelia, during 1998 in Venhuizen, The Netherlands. The new plant was selected from the F1 seedling population in 1999 based on plant growth habit and flower colour.

Tests & Trials: Trials were conducted during the summer of 2006 in Oxford Station, Ontario. Trials consisted of 15 plants of each variety individually grown in 10cm pots in a polyhouse. Plants were spaced 30 cm apart. Observations and measurements were taken on 10 plants of each variety. All colour measurements were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'Kielowa' with reference variety 'Lobtrawi'

Plant height (cm)

  'Kielowa' 'Lobtrawi'
mean 16.25 12.73
std. deviation 2.38 4.40

Plant width (cm)

  'Kielowa' 'Lobtrawi'
mean 34.17 26.83
std. deviation 2.32 1.47

Peduncle length (cm)

  'Kielowa' 'Lobtrawi'
mean 21.50 17.30
std. deviation 1.60 3.47

Corolla diameter (mm)

  'Kielowa' 'Lobtrawi'
mean 10.14 15.71
std. deviation 1.35 1.80

Click on image for larger view
Lobelia: 'Kielowa' (left) with reference variety 'Lobtrawi' (right)

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