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Ornamental Cabbage and Kale
Jelena Witch Hazel
Brassica oleracea
There is a renewed interest in growing ornamental
or flowering cabbage and kale. Beautiful in a garden, these plants
are very showy in a variety of colors, from white through pink or
red, with a leaved center and green outer leaves. Identified by
a number of names, such as floral kale, decorative kale, ornamental-leaved
kale, and flower kale, ornamental cabbage and kale belong to the
Brassica oleracca Acephala Group.
The culture of flowering kale is similar to
that of kale, as both are commonly grown as a fall crop in the north.
The seeds can be planted outdoors in early summer, and can also
be grown in containers. They are often planted singly or in beds
or groups, and can be transported for ornamental purposes. Plants
grow to about one foot in diameter and about 15 in. tall (depending
on the time of planting).
As their root system is not too extensive, plants
can sometimes be dug up and potted in 8 to 10 in. pots to be used
for decoration. They will last much longer indoors if placed in
cool, brightly lit locations. Individual plants can also be cut
off and used in floral decorations if desired.
Most authorities indicate that the leaves can
be eaten, cooked or raw, but there is occasional disagreement; some
say they could cause vomiting and diarrhea if eaten raw in large
quantity by small children. The roots of the plant are most dangerous
and should not be eaten.
The plants have unlimited use in the landscape.
They are attractive in borders or can be used very effectively grouped
in plantings of three, five, or more plants. They are good plants
to use in containers for the deck or patio and for window boxes.
They are especially good to use to replace warm season annuals for
a fall or early winter display.
Ornamental cabbage and kale usually grow about
eight to eighteen inches high and twelve inches or more across.
For best displays, plants should be set about twelve to fifteen
inches apart.
Unlike most annuals and perennials, cabbage
and kale improve in appearance after a frost or two. Leaf color
usually intensifies after a light fall frost. They are usually attractive
in the garden until Thanksgiving or later. Hint – when the
plants smell like cooked cabbage, it is time to pull them out!

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