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Brassica oleracea ramosa

Common name: Perpetual Kale Family: Cruciferae
Author: DC. Botanical references: 200
Synonyms:  
Known Hazards: None known
Range: A cultivated form of B. oleracea.
Habitat: Not known in the wild.
Edibility Rating (1-5): 4Medicinal Rating (1-5):0

Other Possible Synonyms:From various places across the web, may not be correct. See below.
B. oleracea var. ramosa[G]
Epithets:From a Dictionary of Botanical Epithets
oleracea = vegetable like ramosa = branching
Systematics:From a USDA Plants Database
Order: Capparales. Renamed to Brassicaceae -- Mustard family

Physical Characteristics

Biennial/Perennial growing to 0.9m. It is not frost tender. It is in flower from May to August, and the seeds ripen from July to September. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees. The plant is self-fertile. We rate it 4/5 for edibility and 0/5 for medicinal use.

The plant prefers light (sandy), medium (loamy) and heavy (clay) soils, requires well-drained soil and can grow in heavy clay soil. The plant prefers acid, neutral and basic (alkaline) soils and can grow in very acid and very alkaline soils. It can grow in semi-shade (light woodland) or no shade. It requires moist soil. The plant can tolerate maritime exposure.

Edible Uses

Leaves - raw or cooked[2, 16, 46]. A strong cabbage flavour, they are delicious if used when fairly young though they can become tough with age[K]. 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].
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].

Medicinal Uses

Disclaimer

None known

Other Uses

None known

Cultivation details

A very easily grown plant, succeeding in full sun in a well-drained fertile preferably alkaline soil[16, 200]. Prefers a heavy soil[16]. Succeeds in any reasonable soil[37] and will tolerate quite poor conditions[264]. Shade tolerant, growing well on a north border[37]. Succeeds in maritime gardens[200]. Tolerates a pH in the range 4.2 to 8.3.
A very hardy plant, tolerating temperatures down to about -15° c[200]. It also tolerates high summer temperatures[200].
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 many years[183, K].
Kale plants are less likely to be eaten by pigeons than the other members of this genus[264].

Propagation

Seed - sow in a seedbed outdoors in April/May. 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].

Cultivars

'Thousand Headed'
An exceptionally hardy and productive plant. The leaves can be eaten in the winter and the young shoots in early spring can be used like sprouting brocolli[264].
'Ragged Jack'
An ancient perennial variety with wavy red leaves[264].
'Daubenton' 'Perennial Daubenton'
This is a truly perennial form of kale and can only be propagated by cuttings since it rarely if ever flowers or produces seed[K]. Another report says that only some of the branches flower each year[183]. A very productive leaf vegetable, the flavour and uses are the same as for the usual forms of kale.

Suppliers

For more details of plant suppliers please see our Suppliers Page which lists many more places to look.

Web References

References for Brassica oleracea var. ramosa (a possible synonym).
  • [G] Data (Common Names, Uses, Distribution) from the USDA/ARS NPGS's GRIN taxonomic database.

See the PFAF Links Pages for other sources.

Also try Photos and info from the The Plants Database which has 14,000 images.

References

[K] Ken Fern
Notes from observations, tasting etc at Plants For A Future and on field trips.

[2] Hedrick. U. P. Sturtevant's Edible Plants of the World. Dover Publications 1972 ISBN 0-486-20459-6
Lots of entries, quite a lot of information in most entries and references.

[16] Simons. New Vegetable Growers Handbook. Penguin 1977 ISBN 0-14-046-050-0
A good guide to growing vegetables in temperate areas, not entirely organic.

[37] Thompson. B. The Gardener's Assistant. Blackie and Son. 1878
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.

[46] Uphof. J. C. Th. Dictionary of Economic Plants. Weinheim 1959
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.

[183] Facciola. S. Cornucopia - A Source Book of Edible Plants. Kampong Publications 1990 ISBN 0-9628087-0-9
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.

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

[264] Phillips. R. & Rix. M. Vegetables Macmillan Reference Books, London. 1995 ISBN 0 333 62640 0
Excellent and easily read book with good information and an excellent collection of photos of vegetables from around the world, including many unusual species.


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Plant information taken from the Plants For A Future - Species Database. Copyright (c) 1997-2003.
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