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Useful Temperate Plants

Brassica oleracea ramosa

DC.

Brassicaceae


This species has been cultivated as a food crop for many hundreds of years and, in that time, several quite distinct forms have arisen. The nomenclature of these forms is confused, to say the least, and by no means universally accepted. We have followed the treatment used by GRIN, though it is very likely to be revised in the future[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

+ Synonyms

Brassica oleracea fruticosa Metzg.

Common Name: Perpetual Kale

No Image.

General Information

Perpetual kale is a short-lived, evergreen perennial plant derived in cultivation from the wild cabbage. It grows up to 100cm tall, producing straggling branches up to 100cm long.
The plant is sometimes cultivated on a garden scale for its edible leaves.

Known Hazards

None known

Botanical References

200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.

Range

A cultivated form of Brassica oleracea.

Habitat

Not known in the wild.

Properties

Edibility Rating *  *  *
HabitEvergreen Biennial/Perennial
Height1.00 m
PollinatorsBees
Self-fertileYes
Cultivation StatusWild

Cultivation Details

Perpetual kale is a very hardy plant, tolerating temperatures down to about -15°c[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. It also tolerates high summer temperatures[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
A very easily grown plant, succeeding in full sun in a well-drained fertile preferably alkaline soil[
16
Title
New Vegetable Growers Handbook.
Publication
 
Author
Simons.
Publisher
Penguin
Year
1977
ISBN
0-14-046-050-0
Description
A good guide to growing vegetables in temperate areas, not entirely organic.
,
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Prefers a heavy soil[
16
Title
New Vegetable Growers Handbook.
Publication
 
Author
Simons.
Publisher
Penguin
Year
1977
ISBN
0-14-046-050-0
Description
A good guide to growing vegetables in temperate areas, not entirely organic.
]. Succeeds in any reasonable soil[
37
Title
The Gardener's Assistant.
Publication
 
Author
Thompson. B.
Publisher
Blackie and Son.
Year
1878
ISBN
-
Description
Excellent general but extensive guide to gardening practices in the 19th century. A very good section on fruits and vegetables with many little known species.
] and will tolerate quite poor conditions[
264
Title
Vegetables
Publication
 
Author
Phillips. R. & Rix. M.
Publisher
Macmillan Reference Books, London.
Year
1995
ISBN
0 333 62640 0
Description
Excellent and easily read book with good information and an excellent collection of photos of vegetables from around the world, including many unusual species.
]. Shade tolerant, growing well on a north border[
37
Title
The Gardener's Assistant.
Publication
 
Author
Thompson. B.
Publisher
Blackie and Son.
Year
1878
ISBN
-
Description
Excellent general but extensive guide to gardening practices in the 19th century. A very good section on fruits and vegetables with many little known species.
]. Succeeds in maritime gardens[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Tolerates a pH in the range 4.2 to 8.3.
Although at one time this group of kales was quite widely grown as a winter leaf crop, it has fallen out of favour somewhat because the leaves are considered be coarser than other vegetables that can be imported from warmer areas in the winter. This is a shame since the plants are very easy to grow, tolerate adverse conditions and are very productive. In addition some of them, particularly the form 'Daubenton', are reliably perennial and will remain productive in the garden for several years[
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
,
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Kale plants are less likely to be eaten by pigeons than the other members of this genus[
264
Title
Vegetables
Publication
 
Author
Phillips. R. & Rix. M.
Publisher
Macmillan Reference Books, London.
Year
1995
ISBN
0 333 62640 0
Description
Excellent and easily read book with good information and an excellent collection of photos of vegetables from around the world, including many unusual species.
].

Edible Uses

Leaves - raw or cooked[
2
Title
Sturtevant's Edible Plants of the World.
Publication
 
Author
Hedrick. U. P.
Publisher
Dover Publications
Year
1972
ISBN
0-486-20459-6
Description
Lots of entries, quite a lot of information in most entries and references.
,
16
Title
New Vegetable Growers Handbook.
Publication
 
Author
Simons.
Publisher
Penguin
Year
1977
ISBN
0-14-046-050-0
Description
A good guide to growing vegetables in temperate areas, not entirely organic.
,
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
]. A strong cabbage flavour, they are delicious if used when fairly young though they can become tough with age[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
]. The leaves are usually available from autumn to late spring, and can be harvested all through the winter in all but the very coldest of seasons[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

Young flowering shoots - raw or cooked. Picked before the flowers open, they are fairly tender and can be used as part of a mixed salad. When cooked, they have a delicious flavour similar to sprouting broccoli[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

Medicinal

None known

Other Uses

None known

Propagation

Seed - sow in a seedbed outdoors in mid spring. Plant out into their permanent positions in the summer as space permits. Do not let the seedlings get overcrowded or they will soon become leggy and will not make such good plants. If your seedlings do get leggy, it is possible to plant them rather deeper into the soil - the buried stems will soon form roots and the plant will be better supported.
The perennial forms can be increased by cuttings. These can be taken at almost any time that they are available. Use shoots about 8cm long of the current year's growth and place them in individual pots in the cuttings frame. They root very quickly and easily[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2019-11-22. <temperate.theferns.info/plant/Brassica+oleracea+ramosa>

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