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Useful Temperate Plants

Helianthus annuus

L.

Asteraceae


The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.

+ Synonyms

Common Name: Sunflower

Helianthus annuus
Flower
Photograph by: Fagg, M.
Image credit to Australian National Botanic Gardens
Helianthus annuus Helianthus annuus Helianthus annuus Helianthus annuus Helianthus annuus Helianthus annuus Helianthus annuus Helianthus annuus

General Information

Helianthus annuus is a Annual up to 3.00 metres tall.
It has medicinal uses.

Known Hazards

None known

Botanical References

60
Title
Vascular Plants of the Pacific Northwest.
Publication
 
Author
Hitchcock. C. L.
Publisher
University of Washington Press
Year
1955
ISBN
-
Description
A standard flora for Western N. America with lots of information on habitat etc. Five large volumes, it is not for the casual reader.
,
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.
,
270
Title
Flora of N. America
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/fna/
Publisher
 
Year
0
ISBN
 
Description
An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.

Range

Widely distributed throughout N. America. An occasional garden escape in Britain.

Habitat

Open dry or moderately moist soils on the plains[
60
Title
Vascular Plants of the Pacific Northwest.
Publication
 
Author
Hitchcock. C. L.
Publisher
University of Washington Press
Year
1955
ISBN
-
Description
A standard flora for Western N. America with lots of information on habitat etc. Five large volumes, it is not for the casual reader.
].

Properties

Edibility Rating *  *  *  *  *
Medicinal Rating *  *
HabitAnnual
Height3.00 m
Growth RateFast
PollinatorsBees, Flies
Self-fertileNo
Cultivation StatusWild

Cultivation Details

An easily grown plant, it succeeds in most soils[
1
Title
RHS Dictionary of Plants plus Supplement. 1956
Publication
 
Author
F. Chittendon.
Publisher
Oxford University Press
Year
1951
ISBN
-
Description
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
,
34
Title
The Oxford Book of Food Plants.
Publication
 
Author
Harrison. S. Wallis. M. Masefield. G.
Publisher
Oxford University Press
Year
1975
ISBN
-
Description
Good drawings of some of the more common food plants from around the world. Not much information though.
,
117
Title
The Book of Edible Nuts.
Publication
 
Author
Rosengarten. jnr. F.
Publisher
Walker & Co.
Year
1984
ISBN
0802707699
Description
A very readable and comprehensive guide. Well illustrated.
], including poor soils provided they are deep and well-drained[
269
Title
Handbook of Energy Crops
Publication
 
Author
Duke. J.
Publisher
-
Year
1983
ISBN
-
Description
Published only on the Internet, excellent information on a wide range of both temperate and tropical plants.
], but it grows best in a deep rich soil[
1
Title
RHS Dictionary of Plants plus Supplement. 1956
Publication
 
Author
F. Chittendon.
Publisher
Oxford University Press
Year
1951
ISBN
-
Description
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
,
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.
]. Plants are intolerant of acid or waterlogged conditions[
269
Title
Handbook of Energy Crops
Publication
 
Author
Duke. J.
Publisher
-
Year
1983
ISBN
-
Description
Published only on the Internet, excellent information on a wide range of both temperate and tropical plants.
]. Especially when grown for its edible seed, the plant prefers a sunny position[
1
Title
RHS Dictionary of Plants plus Supplement. 1956
Publication
 
Author
F. Chittendon.
Publisher
Oxford University Press
Year
1951
ISBN
-
Description
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
,
34
Title
The Oxford Book of Food Plants.
Publication
 
Author
Harrison. S. Wallis. M. Masefield. G.
Publisher
Oxford University Press
Year
1975
ISBN
-
Description
Good drawings of some of the more common food plants from around the world. Not much information though.
,
117
Title
The Book of Edible Nuts.
Publication
 
Author
Rosengarten. jnr. F.
Publisher
Walker & Co.
Year
1984
ISBN
0802707699
Description
A very readable and comprehensive guide. Well illustrated.
,
269
Title
Handbook of Energy Crops
Publication
 
Author
Duke. J.
Publisher
-
Year
1983
ISBN
-
Description
Published only on the Internet, excellent information on a wide range of both temperate and tropical plants.
] though it also tolerates light shade[
1
Title
RHS Dictionary of Plants plus Supplement. 1956
Publication
 
Author
F. Chittendon.
Publisher
Oxford University Press
Year
1951
ISBN
-
Description
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
]. Requires a neutral or preferably calcareous soil[
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.
]. As sunflowers have highly efficient root systems, they can be grown in areas which are too dry for many other crops[
269
Title
Handbook of Energy Crops
Publication
 
Author
Duke. J.
Publisher
-
Year
1983
ISBN
-
Description
Published only on the Internet, excellent information on a wide range of both temperate and tropical plants.
]. Established plants are quite drought-resistant except during flowering[
117
Title
The Book of Edible Nuts.
Publication
 
Author
Rosengarten. jnr. F.
Publisher
Walker & Co.
Year
1984
ISBN
0802707699
Description
A very readable and comprehensive guide. Well illustrated.
,
269
Title
Handbook of Energy Crops
Publication
 
Author
Duke. J.
Publisher
-
Year
1983
ISBN
-
Description
Published only on the Internet, excellent information on a wide range of both temperate and tropical plants.
]. The sunflower tolerates an annual precipitation of 20 - 400cm, an average annual temperature in the range of 6 - 28°C and a pH in the range of 4.5 - 8.7[
269
Title
Handbook of Energy Crops
Publication
 
Author
Duke. J.
Publisher
-
Year
1983
ISBN
-
Description
Published only on the Internet, excellent information on a wide range of both temperate and tropical plants.
].
The young growth is extremely attractive to slugs, plants can be totally destroyed by them[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Members of this genus are rarely if ever troubled by browsing deer or rabbits[
233
Title
Perennial Garden Plants
Publication
 
Author
Thomas. G. S.
Publisher
J. M. Dent & Sons, London.
Year
1990
ISBN
0 460 86048 8
Description
A concise guide to a wide range of perennials. Lots of cultivation guides, very little on plant uses.
].
The sunflower is a very ornamental plant that is widely grown in gardens and is also a major commercial crop for its edible seed and many other uses[
1
Title
RHS Dictionary of Plants plus Supplement. 1956
Publication
 
Author
F. Chittendon.
Publisher
Oxford University Press
Year
1951
ISBN
-
Description
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
,
4
Title
A Modern Herbal.
Publication
 
Author
Grieve.
Publisher
Penguin
Year
1984
ISBN
0-14-046-440-9
Description
Not so modern (1930's?) but lots of information, mainly temperate plants.
]. It grows well in Britain, but it does not ripen its seed reliably in this country and so is not suitable for commercial cultivation at the present[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
]. It is the state flower of Kansas[
85
Title
Edible Native Plants of the Rocky Mountains.
Publication
 
Author
Harrington. H. D.
Publisher
University of New Mexico Press
Year
1967
ISBN
0-8623-0343-9
Description
A superb book. Very readable, it gives the results of the authors experiments with native edible plants.
].
Three distinct groups of sunflowers are cultivated:-
Giant types grow from 1.8 - 4.2 metres tall with flower heads 30 - 50cm in diameter. The seeds are large, white or gray in colour, sometimes with black stripes, and are the best for culinary purposes, though the oil content is lower than for other types. 'Grey Stripe', 'Hopi Black Dye', 'Mammoth Russian' and 'Sundak' are examples of this type[
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.
,
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.
,
269
Title
Handbook of Energy Crops
Publication
 
Author
Duke. J.
Publisher
-
Year
1983
ISBN
-
Description
Published only on the Internet, excellent information on a wide range of both temperate and tropical plants.
].
Semi-dwarf types grow from 1.3 - 1.8 m tall, are early maturing and have heads 17 - 23 cm diameter. The seeds are smaller, black, gray or striped, the oil content is also higher. Examples include 'Pole Star' and 'Jupiter'
Dwarf types grow from 0.6 - 1.4 m tall, are early maturing and have heads 14 - 16 cm in diameter[269. The seeds are small but the oil content is the highest. Examples include 'Advance' and 'Sunset'[
269
Title
Handbook of Energy Crops
Publication
 
Author
Duke. J.
Publisher
-
Year
1983
ISBN
-
Description
Published only on the Internet, excellent information on a wide range of both temperate and tropical plants.
].
Some forms are being bred for greater cold tolerance and should be more reliable in Britain[
117
Title
The Book of Edible Nuts.
Publication
 
Author
Rosengarten. jnr. F.
Publisher
Walker & Co.
Year
1984
ISBN
0802707699
Description
A very readable and comprehensive guide. Well illustrated.
,
141
Title
Alternative Enterprises for Agriculture in the UK.
Publication
 
Author
Carruthers. S. P. (Editor)
Publisher
Centre for Agricultural Strategy, Univ. of Reading
Year
1986
ISBN
0704909820
Description
Some suggested alternative commercial crops for Britain. Readable. Produced by a University study group.
]. Plants tend to grow better in the south and south-west of England[
4
Title
A Modern Herbal.
Publication
 
Author
Grieve.
Publisher
Penguin
Year
1984
ISBN
0-14-046-440-9
Description
Not so modern (1930's?) but lots of information, mainly temperate plants.
]. Most forms require a four month frost-free growing season[
117
Title
The Book of Edible Nuts.
Publication
 
Author
Rosengarten. jnr. F.
Publisher
Walker & Co.
Year
1984
ISBN
0802707699
Description
A very readable and comprehensive guide. Well illustrated.
], though some Russian cultivars can mature a crop in 70 days[
269
Title
Handbook of Energy Crops
Publication
 
Author
Duke. J.
Publisher
-
Year
1983
ISBN
-
Description
Published only on the Internet, excellent information on a wide range of both temperate and tropical plants.
]. When plants are grown in cooler latitudes the seed contains higher proportions of polyunsaturated fatty oils[
117
Title
The Book of Edible Nuts.
Publication
 
Author
Rosengarten. jnr. F.
Publisher
Walker & Co.
Year
1984
ISBN
0802707699
Description
A very readable and comprehensive guide. Well illustrated.
].
The plant has a strong taproot that can penetrate the soil to depth of 3 metres, it also has a large lateral spread of surface roots[
269
Title
Handbook of Energy Crops
Publication
 
Author
Duke. J.
Publisher
-
Year
1983
ISBN
-
Description
Published only on the Internet, excellent information on a wide range of both temperate and tropical plants.
].
Sunflowers grow badly with potatoes but they do well with cucumbers and corn[
18
Title
Companion Plants.
Publication
 
Author
Philbrick H. and Gregg R. B.
Publisher
Watkins
Year
1979
ISBN
-
Description
Details of beneficial and antagonistic relationships between neighbouring plants.
,
20
Title
Companion Planting for Successful Gardening.
Publication
 
Author
Riotte. L.
Publisher
Garden Way, Vermont, USA.
Year
1978
ISBN
0-88266-064-0
Description
Fairly good.
,
201
Title
A - Z of Companion Planting.
Publication
 
Author
Allardice.P.
Publisher
Cassell Publishers Ltd.
Year
1993
ISBN
0-304-34324-2
Description
A well produced and very readable book.
]. A very greedy and vigorous plant, it can inhibit the growth of nearby plants[
20
Title
Companion Planting for Successful Gardening.
Publication
 
Author
Riotte. L.
Publisher
Garden Way, Vermont, USA.
Year
1978
ISBN
0-88266-064-0
Description
Fairly good.
]. Plants tend to impoverish the soil if they are grown too often in the same place[
117
Title
The Book of Edible Nuts.
Publication
 
Author
Rosengarten. jnr. F.
Publisher
Walker & Co.
Year
1984
ISBN
0802707699
Description
A very readable and comprehensive guide. Well illustrated.
].
A good bee plant, providing large quantities of nectar[
18
Title
Companion Plants.
Publication
 
Author
Philbrick H. and Gregg R. B.
Publisher
Watkins
Year
1979
ISBN
-
Description
Details of beneficial and antagonistic relationships between neighbouring plants.
,
34
Title
The Oxford Book of Food Plants.
Publication
 
Author
Harrison. S. Wallis. M. Masefield. G.
Publisher
Oxford University Press
Year
1975
ISBN
-
Description
Good drawings of some of the more common food plants from around the world. Not much information though.
,
244
Title
Herbs
Publication
 
Author
Phillips. R. & Foy. N.
Publisher
Pan Books Ltd. London.
Year
1990
ISBN
0-330-30725-8
Description
Deals with all types of herbs including medicinal, culinary, scented and dye plants. Excellent photographs with quite good information on each plant.
]. The flowers attract beneficial insects such as lacewings and parasitic wasps[
238
Title
Encyclopaedia of Herbs and their Uses.
Publication
 
Author
Bown. D.
Publisher
Dorling Kindersley, London.
Year
1995
ISBN
0-7513-020-31
Description
A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
]. These prey on various insect pests, especially aphis[
238
Title
Encyclopaedia of Herbs and their Uses.
Publication
 
Author
Bown. D.
Publisher
Dorling Kindersley, London.
Year
1995
ISBN
0-7513-020-31
Description
A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
].

Edible Uses

None known

Medicinal

A tea made from the leaves is astringent, diuretic and expectorant, it is used in the treatment of high fevers[
222
Title
A Field Guide to Medicinal Plants. Eastern and Central N. America.
Publication
 
Author
Foster. S. & Duke. J. A.
Publisher
Houghton Mifflin Co.
Year
1990
ISBN
0395467225
Description
A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties.
]. The crushed leaves are used as a poultice on sores, swellings, snakebites and spider bites[
222
Title
A Field Guide to Medicinal Plants. Eastern and Central N. America.
Publication
 
Author
Foster. S. & Duke. J. A.
Publisher
Houghton Mifflin Co.
Year
1990
ISBN
0395467225
Description
A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties.
,
257
Title
Native American Ethnobotany
Publication
 
Author
Moerman. D.
Publisher
Timber Press. Oregon.
Year
1998
ISBN
0-88192-453-9
Description
Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
]. The leaves are harvested as the plant comes into flower and are dried for later use[
238
Title
Encyclopaedia of Herbs and their Uses.
Publication
 
Author
Bown. D.
Publisher
Dorling Kindersley, London.
Year
1995
ISBN
0-7513-020-31
Description
A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
].
A tea made from the flowers is used in the treatment of malaria and lung ailments[
222
Title
A Field Guide to Medicinal Plants. Eastern and Central N. America.
Publication
 
Author
Foster. S. & Duke. J. A.
Publisher
Houghton Mifflin Co.
Year
1990
ISBN
0395467225
Description
A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties.
,
257
Title
Native American Ethnobotany
Publication
 
Author
Moerman. D.
Publisher
Timber Press. Oregon.
Year
1998
ISBN
0-88192-453-9
Description
Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
].
The flowering head and seeds are febrifuge, nutritive and stomachic[
7
Title
Encyclopaedia of Medicinal Plants.
Publication
 
Author
Chiej. R.
Publisher
MacDonald
Year
1984
ISBN
0-356-10541-5
Description
Covers plants growing in Europe. Also gives other interesting information on the plants. Good photographs.
]. The seed is also considered to be diuretic and expectorant[
4
Title
A Modern Herbal.
Publication
 
Author
Grieve.
Publisher
Penguin
Year
1984
ISBN
0-14-046-440-9
Description
Not so modern (1930's?) but lots of information, mainly temperate plants.
,
218
Title
Medicinal Plants of China
Publication
 
Author
Duke. J. A. and Ayensu. E. S.
Publisher
Reference Publications, Inc.
Year
1985
ISBN
0-917256-20-4
Description
Details of over 1,200 medicinal plants of China and brief details of their uses. Often includes an analysis, or at least a list of constituents. Heavy going if you are not into the subject.
,
222
Title
A Field Guide to Medicinal Plants. Eastern and Central N. America.
Publication
 
Author
Foster. S. & Duke. J. A.
Publisher
Houghton Mifflin Co.
Year
1990
ISBN
0395467225
Description
A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties.
]. It has been used with success in the treatment of many pulmonary complaints[
4
Title
A Modern Herbal.
Publication
 
Author
Grieve.
Publisher
Penguin
Year
1984
ISBN
0-14-046-440-9
Description
Not so modern (1930's?) but lots of information, mainly temperate plants.
].
A decoction of the roots has been used as a warm wash on rheumatic aches and pains[
257
Title
Native American Ethnobotany
Publication
 
Author
Moerman. D.
Publisher
Timber Press. Oregon.
Year
1998
ISBN
0-88192-453-9
Description
Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
].

Other Uses

None known

Propagation

Seed - sow in mid spring in situ. An earlier start can be made by sowing 2 - 3 seeds per pot in a greenhouse in early spring. Use a fairly rich compost. Thin to the strongest seedling, give them an occasional liquid feed to make sure they do not become nutrient deficient and plant them out in late spring or early summer.
Seed, harvested at 12% moisture content and stored, will retain its viability for several years[
269
Title
Handbook of Energy Crops
Publication
 
Author
Duke. J.
Publisher
-
Year
1983
ISBN
-
Description
Published only on the Internet, excellent information on a wide range of both temperate and tropical plants.
].

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