December 2021 - 26

CULTURE REPORT
'Gelato Passion'
Osteospermum
Gelato Series
A consistent trial performer across the country, this new
series is redefining the osteospermum market.
BY BART HAYES
L
et's be honest: Osteospermum were not
quite ready for the market when they
came out 20-25 years ago. They were
part of the wave of revolutionary vegetative
varieties that have come to define premium
annual crops as we know them today. And,
while at the time were a huge breakthrough,
through the lens of hindsight we can see that
they were not the easiest or best crops for some
garden environments. Consistently performing
well in trials across the United States, the
osteospermum Gelato series is re-invigorating
the genus as an option for growers and home
gardeners everywhere.
With most of the cultivated varieties being
derived from species native to Southern
Africa, one of the most unique climates on
Earth, some unique cultural requirements
were programmed into the plants. Some of
the positive attributes, gorgeous flowers
and drought tolerance, were accentuated
while some of the more challenging cultural
preferences, cool temperatures to initiate
flowering and seasonal blooming, were selected
against. Fast forward to today after decades
of breeding and selection work, and we have a
26 DECEMBER 2021 GPNMAG.COM
'Gelato Almond improved'
Figure
1. 'Gelato
Prune' on
top, 'Gelato
Pink Surprise'
below. Photos taken
from right to left 2, 4,
6 and 12 weeks after
transplant. Note the
stretch in week 6 on Prune
and its effect on finished
plant shape versus the
compact habit on Pink
Surprise week 6 and the
effect on finished habit.
much-improved plant product for the market:
the Gelato series. Freely flowering all season
long, they offer diverse flower color options
on heavy branching plants with medium and
compact habits that are well suited for quart
pot production up to 12-inch patio pots.
The Gelato series is well suited to most
climates and brings not only cold and drought
tolerance, due to its heritage, but also impressive
heat tolerance, which has also reduced cold
temperatures needed to achieve flower initiation
to an average daily temperature (ADT) of 57° F.

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December 2021

Table of Contents for the Digital Edition of December 2021

December 2021 - 1
December 2021 - 2
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