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Useful Temperate Plants

Corylus avellana

L.

Betulaceae

+ Synonyms

Corylus alba Aiton ex Steud.

Corylus arborea Steud.

Corylus ardua (Poit. & Turpin) Poit. & Turpin

Corylus filicifolia A.DC.

Corylus ovata Lam. ex Steud.

Corylus pontica Dochnahl

Corylus pumila (Loudon) Lodd. ex Loudon

Corylus quercifolia A.DC.

Corylus serenyiana Pluskal

Corylus sylvestris Salisb.

Corylus urticifolia (Nois.) Dippel

Common Name: Hazel

No Image.

General Information

Corylus avellana is a deciduous shrub or small tree that can grow up to 6 metres tall. The plant usually forms a dense thicket of erect, much-branched stems, renewing itself by sucker growths from the base[
1212
Title
New Trees
Publication
 
Author
Grimshaw J.; Bayton R.; Wilks H.
Publisher
Kew Publishing; London
Year
2009
ISBN
1842461737
Description
Provides comprehensive botanical descriptions and horticultural commentary on over 800 tree species that have been introduced to cultivation in recent decades.
].
The plant is cultivated on a large scale in several countries for its edible seeds, the hazel nuts of commerce, and many named forms have been developed. The plant is also used medicinally and has many other uses. It is sometimes grown as an ornamental, with some cultivars having been developed, and it can also be used to make a large informal hedge or screen.
Corylus avellana is a widespread species with a large extent of occurrence and common across much of its range. The plant is classified as 'Least Concern' in the IUCN Red List of Threatened Species(2013)[
338
Title
IUCN Red List of Threatened Species
Publication
 
Author
 
Website
http://www.iucnredlist.org/
Publisher
 
Year
0
ISBN
 
Description
A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
].

Known Hazards

None known

Botanical References

11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
,
17
Title
Flora of the British Isles.
Publication
 
Author
Clapham, Tutin and Warburg.
Publisher
Cambridge University Press
Year
1962
ISBN
-
Description
A very comprehensive flora, the standard reference book but it has no pictures.
,
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

Throughout Europe, extending east to Turkey and the Caucasus

Habitat

Woods and hedgerows, especially on the slopes of hills, often on calcareous soils[
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.
,
17
Title
Flora of the British Isles.
Publication
 
Author
Clapham, Tutin and Warburg.
Publisher
Cambridge University Press
Year
1962
ISBN
-
Description
A very comprehensive flora, the standard reference book but it has no pictures.
].

Properties

Conservation StatusLeast Concern
Edibility Rating *  *  *  *  *
Medicinal Rating *  *
Other Uses Rating *  *  *
HabitDeciduous Tree
Height6.00 m
Growth RateMedium
PollinatorsWind
Self-fertileYes
Cultivation StatusWild

Cultivation Details

Corylus avellana is a very cold-hardy plant, grown through much of the temperate zone and able to tolerate winter temperatures down to around -30°c when fully dormant. The flowers, however, are produced in late winter and early spring and can be damaged by heavy frosts at this time[
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.
].
An easily grown plant, it succeeds in most soils, but is in general more productive of seeds when grown on soils of moderate fertility[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
,
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 does less well in rich heavy soils or poor ones[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
,
63
Title
Nuts.
Publication
 
Author
Howes. F. N.
Publisher
Faber
Year
1948
ISBN
-
Description
Rather old but still a masterpiece. Has sections on tropical and temperate plants with edible nuts plus a section on nut plants in Britain. Very readable.
]. Does well in a loamy soil[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
]. Very suitable for an alkaline soil[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
], but it dislikes very acid soils[
17
Title
Flora of the British Isles.
Publication
 
Author
Clapham, Tutin and Warburg.
Publisher
Cambridge University Press
Year
1962
ISBN
-
Description
A very comprehensive flora, the standard reference book but it has no pictures.
]. Succeeds in a pH range 4.5 to 8.5, but prefers a range of 5 to 7[
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 fairly wind tolerant[
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]).
,
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
].
A parent, together with Corylus maxima, of many cultivated forms of filberts and cob nuts. There are many named varieties[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
].
Plants are self-fertile but a more certain crop is obtained if more than one cultivar is grown[
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.
].
The main difference between cob nuts and filberts is that the husk of a filbert is longer than the seed and often completely encloses it, whilst the husk on a cob nut is shorter than the seed[
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.
].
Squirrels are a major pest of this plant, often decimating the crop of nuts[
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.
].
Often grown as a coppiced shrub in woodlands, the stems have a variety of uses[
23
Title
Complete Book of Baskets and Basketry.
Publication
 
Author
Wright. D.
Publisher
David & Charles; Newton Abbot.
Year
1977
ISBN
0-7153-7449-4
Description
Not that complete but very readable and well illustrated.
,
67
Title
Berberis and Mahonia.
Publication
 
Author
Ahrendt.
Publisher
Journal of the Linnean Society, 57
Year
1961
ISBN
-
Description
Not for the casual reader, it lists all the known species in these two genera together with botanic descriptions and other relevant details for the botanist.
,
186
Title
Planting Native Trees and Shrubs.
Publication
 
Author
Beckett. G. and K.
Publisher
Jarrold
Year
1979
ISBN
-
Description
An excellent guide to native British trees and shrubs with lots of details about the plants.
].
Members of this genus bear transplanting well and can be easily moved even when relatively large[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
].
A food plant for the caterpillars of many lepidoptera species[
30
Title
Butterflies and Moths in Britain and Europe.
Publication
 
Author
Carter D.
Publisher
Pan
Year
1982
ISBN
0-330-26642-x
Description
An excellent book on Lepidoptera, it also lists their favourite food plants.
].

Edible Uses

Seed - raw or roasted and used in breads, cakes, biscuits, sweets etc[
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.
,
5
Title
Food for Free.
Publication
 
Author
Mabey. R.
Publisher
Collins
Year
1974
ISBN
0-00-219060-5
Description
Edible wild plants found in Britain. Fairly comprehensive, very few pictures and rather optimistic on the desirability of some of the plants.
,
9
Title
Edible and Medicinal Plants.
Publication
 
Author
Launert. E.
Publisher
Hamlyn
Year
1981
ISBN
0-600-37216-2
Description
Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
,
12
Title
Britain's Wild Larder.
Publication
 
Author
Loewenfeld. C. and Back. P.
Publisher
David & Charles; Newton Abbot.
Year
 
ISBN
0-7153-7971-2
Description
A handy pocket guide.
,
13
Title
Hamlyn Encyclopaedia of Plants.
Publication
 
Author
Triska. Dr.
Publisher
Hamlyn
Year
1975
ISBN
0-600-33545-3
Description
Very interesting reading, giving some details of plant uses and quite a lot of folk-lore.
,
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.
,
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.
]. An excellent nut for raw eating[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
]. They can also be liquidized and used as a plant milk[
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.
]. Rich in oil. The seed ripens in mid to late autumn and will probably need to be protected from squirrels[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
]. When kept in a cool place, and not shelled, the seed should store for at least 12 months[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

A clear yellow edible oil is obtained from the seed[
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.
,
9
Title
Edible and Medicinal Plants.
Publication
 
Author
Launert. E.
Publisher
Hamlyn
Year
1981
ISBN
0-600-37216-2
Description
Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
,
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.
]. It is used in salad dressings, baking etc.

Medicinal

The bark, leaves, catkins and fruits are sometimes used medicinally[
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.
]. They are astringent, diaphoretic, febrifuge, nutritive and odontalgic[
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 stomachic and tonic[
240
Title
Glossary of Indian Medicinal Plants (Including the Supplement).
Publication
 
Author
Chopra. R. N., Nayar. S. L. and Chopra. I. C.
Publisher
Council of Scientific and Industrial Research, New Delhi.
Year
1986
ISBN
-
Description
Very terse details of medicinal uses of plants with a wide range of references and details of research into the plants chemistry. Not for the casual reader.
].

The oil has a very gentle but constant and effective action in cases of infection with threadworm or pinworm in babies and young children[
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.
].

Agroforestry Uses:

Plants can be grown as a tall hedge[
29
Title
Hedges and Screens.
Publication
 
Author
Shepherd. F.W.
Publisher
Royal Horticultural Society.
Year
1974
ISBN
0900629649
Description
A small but informative booklet giving details of all the hedging plants being grown in the R.H.S. gardens at Wisley in Surrey.
]. They need to be left untrimmed or only lightly trimmed if seed is required[
29
Title
Hedges and Screens.
Publication
 
Author
Shepherd. F.W.
Publisher
Royal Horticultural Society.
Year
1974
ISBN
0900629649
Description
A small but informative booklet giving details of all the hedging plants being grown in the R.H.S. gardens at Wisley in Surrey.
].

Other Uses

The seed contains up to 65% of a non-drying oil, used in paints, cosmetics etc[
13
Title
Hamlyn Encyclopaedia of Plants.
Publication
 
Author
Triska. Dr.
Publisher
Hamlyn
Year
1975
ISBN
0-600-33545-3
Description
Very interesting reading, giving some details of plant uses and quite a lot of folk-lore.
,
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.
,
57
Title
Plants for Man.
Publication
 
Author
Schery. R. W.
Publisher
 
Year
 
ISBN
 
Description
Fairly readable but not very comprehensive. Deals with plants from around the world.
,
132
Title
Fruits of the Earth.
Publication
 
Author
Bianchini. F., Corbetta. F. and Pistoia. M.
Publisher
 
Year
 
ISBN
 
Description
Lovely pictures, a very readable book.
]. The whole seed can be used to polish and oil wood[
6
Title
Plants with a Purpose.
Publication
 
Author
Mabey. R.
Publisher
Fontana
Year
1979
ISBN
0-00-635555-2
Description
Details on some of the useful wild plants of Britain. Poor on pictures but otherwise very good.
]. It is very easy to apply and produces a nice finish[
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 finely ground seeds are used as an ingredient of face masks in cosmetics[
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.
].
Various parts of the plant are used as ingredients in commercial cosmetic preparations. The powder from the seed and crushed shells is used as an abrasive; the seed oil is used in fragrances; extracts of the seeds, flowers and leaves are all used as skin conditioners; an aqueous solution of the leaves is a fragrance and a tonic[
1243
Title
CosIng
Publication
 
Author
 
Website
http://ec.europa.eu/growth/tools-databases/cosing/
Publisher
 
Year
0
ISBN
 
Description
CosIng is the European Commission database for information on cosmetic substances and ingredients.
]

The bark and leaves are a source of tannin[
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 twigs are one of the main woods used as dowsing rods by water diviners[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
].

Wood - soft, easy to split, not very durable, beautifully veined. Used for inlay work, small items of furniture, hurdles, wattles, basketry, pea sticks etc[
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.
,
13
Title
Hamlyn Encyclopaedia of Plants.
Publication
 
Author
Triska. Dr.
Publisher
Hamlyn
Year
1975
ISBN
0-600-33545-3
Description
Very interesting reading, giving some details of plant uses and quite a lot of folk-lore.
,
23
Title
Complete Book of Baskets and Basketry.
Publication
 
Author
Wright. D.
Publisher
David & Charles; Newton Abbot.
Year
1977
ISBN
0-7153-7449-4
Description
Not that complete but very readable and well illustrated.
,
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.
,
61
Title
A Dictionary of Plants Used by Man.
Publication
 
Author
Usher. G.
Publisher
Constable
Year
1974
ISBN
0094579202
Description
Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
,
63
Title
Nuts.
Publication
 
Author
Howes. F. N.
Publisher
Faber
Year
1948
ISBN
-
Description
Rather old but still a masterpiece. Has sections on tropical and temperate plants with edible nuts plus a section on nut plants in Britain. Very readable.
,
66
Title
From Agar to Zenery.
Publication
 
Author
Freethy. R.
Publisher
The Crowood Press
Year
1985
ISBN
0-946284-51-2
Description
Very readable, giving details on plant uses based on the authors own experiences.
,
125
Title
The Plantsman. Vol. 5. 1983 - 1984.
Publication
 
Author
?
Publisher
Royal Horticultural Society
Year
1983
ISBN
-
Description
Excerpts from the periodical giving cultivation details and other notes on some of the useful plants.
]. The branches of the hazel are extremely supple, and their pliancy renders them useful for various purposes, such as hoops for crates, etc[
1212
Title
New Trees
Publication
 
Author
Grimshaw J.; Bayton R.; Wilks H.
Publisher
Kew Publishing; London
Year
2009
ISBN
1842461737
Description
Provides comprehensive botanical descriptions and horticultural commentary on over 800 tree species that have been introduced to cultivation in recent decades.
].
The wood also yields a good quality charcoal, used by artists[
63
Title
Nuts.
Publication
 
Author
Howes. F. N.
Publisher
Faber
Year
1948
ISBN
-
Description
Rather old but still a masterpiece. Has sections on tropical and temperate plants with edible nuts plus a section on nut plants in Britain. Very readable.
,
101
Title
Edible Wild Fruits and Nuts of Canada.
Publication
 
Author
Turner. N. J. and Szczawinski. A.
Publisher
National Museum of Natural Sciences
Year
1978
ISBN
-
Description
A very readable guide to some wild foods of Canada.
].

Propagation

Seed - best sown as soon as it is harvested in autumn in a cold frame[
164
Title
Growing from Seed. Volume 4.
Publication
 
Author
Bird. R. (Editor)
Publisher
Thompson and Morgan.
Year
1990
ISBN
-
Description
Very readable magazine with lots of information on propagation. A good article on Yuccas, one on Sagebrush (Artemesia spp) and another on Chaerophyllum bulbosum.
]. Germinates in late winter or spring. Stored seed should be pre-soaked in warm water for 48 hours and then given 2 weeks warm followed by 3 - 4 months cold stratification[
164
Title
Growing from Seed. Volume 4.
Publication
 
Author
Bird. R. (Editor)
Publisher
Thompson and Morgan.
Year
1990
ISBN
-
Description
Very readable magazine with lots of information on propagation. A good article on Yuccas, one on Sagebrush (Artemesia spp) and another on Chaerophyllum bulbosum.
]. Germinates in 1 - 6 months at 20°c[
164
Title
Growing from Seed. Volume 4.
Publication
 
Author
Bird. R. (Editor)
Publisher
Thompson and Morgan.
Year
1990
ISBN
-
Description
Very readable magazine with lots of information on propagation. A good article on Yuccas, one on Sagebrush (Artemesia spp) and another on Chaerophyllum bulbosum.
]. When large enough to handle, prick the seedlings out into individual pots and grow them on in a cold frame or sheltered place outdoors for their first winter. Plant them out into their permanent positions in late spring or early summer[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Layering in autumn. Easy, it takes about 6 months[
78
Title
Propagation of Trees, Shrubs and Conifers.
Publication
 
Author
Sheat. W. G.
Publisher
MacMillan and Co
Year
1948
ISBN
-
Description
A bit dated but a good book on propagation techniques with specific details for a wide range of plants.
,
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.
].
Division of suckers in early spring. Very easy, they can be planted out straight into their permanent positions.
Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2024-03-29. <temperate.theferns.info/plant/Corylus+avellana>

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