Baby Joe

Eupatorium

Denomination: 'Baby Joe'
Botanical Name: Eupatorium purpureum
Applicant/Holder: Future Plants Licentie B.V.
Turfspoor 53A
2165 AW
Lisserbroek
Netherlands
Breeder: Hubertus Gerardus Oudshoorn, Rijpwetering, Netherlands
Agent in Canada: Variety Rights Management
475 County Road 18
R.R. #2
Oxford Station, Ontario
K0G 1T0
Canada
Tel: 613-258-9015
Application Date: 2008-03-08
Application Number: 08-6224
Grant of Rights Date: 2013-09-05
Certificate Number: 4612
Grant of Rights Termination Date: 2031-09-05

Variety Description

Variety used for comparison: 'Atropurpureum'

Summary: The plants of 'Baby Joe' are more uniform in height than the plants of 'Atropurpureum'. The stem of 'Baby Joe' has very strong anthocyanin colouration while the stem of 'Atropurpureum' has weak to medium anthocyanin. The inflorescence of 'Baby Joe' is shorter and more compact than the inflorescence of 'Atropurpureum'.

Description:

PLANT: narrow upright to upright busy growth habit, sparse branching
STEM: dark red brown, very strong anthocyanin colouration

LEAF: alternate and whorled arrangement, simple type, elliptic to lanceolate, apex acuminate, margin serrate, upper side medium green, no variegation

FLOWER: one medium to long flowering period, medium to late flowering
INFLORESCENCE: corymb, terminal and axillary in position, erect attitude
FLOWER BUD: brown purple (RHS 186B)
FLORET: inner side blue pink (RHS 186C-D).

Origin & Breeding History: The variety 'Baby Joe' originated from a cross made in 2001 in Rijpwetering, The Netherlands. The cross was between two unnamed seedlings of the species Eupatorium purpureum. The variety was selected in 2003 from the seedling population based on criteria for shorter and stronger plant habit and attractive foliage and floral traits.

Tests & Trials: Trials for 'Baby Joe' were conducted at Variety Rights Management in Oxford Station, Ontario during the summer of 2012. Nine plants of the candidate variety and twelve plants of the reference variety were grown in 19.5 cm pots in a polyhouse. Plants were spaced approximately 60 cm apart. Colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'Baby Joe' with reference variety 'Atropurpureum'

Inflorescence length (cm)

  'Baby Joe' 'Atropurpureum'
mean 23.06 28.29
std. deviation 5.16 6.07

Colour of flower bud (RHS)

  'Baby Joe' 'Atropurpureum'
outer side 186B 186C

Colour of floret (RHS)

  'Baby Joe' 'Atropurpureum'
inner side 186C-D 186C to 70C

Click on image for larger view
Baby Joe
Eupatorium: 'Baby Joe' (right) with reference variety 'Atropurpureum' (left)

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