Pinus jeffreyi
Balf.
Pinaceae
Pinus deflexa Torr.
Pinus jeffreyana Loudon
Pinus malletii Mottet
Pinus peninsularis (Lemmon) Lemmon
Pinus ponderosa jeffreyi (Balf.) Vasey
Pinus ponderosa malletii (Mottet) Beissn.
Common Name: Jeffrey Pine
General Information
Pinus jeffreyi is an evergreen tree with a rounded to conic crown; it can grow up to 61 metres tall. The usually straight, cylindrical bole can be up to 250cm in diameter[
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.
].
The plant is traditionally harvested from the wild for local use as a food and source of materials. It is an important source of timber in its area, where it is often harvested from the wild for its wood - this is used locally and also traded, usually under the name of the closely related species Pinus ponderosa[
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.
]. The tree has also been harvested for its oleoresin, distillations of which have been used as an additive to petrol. It is sometimes grown as an ornamental.
Pinus jeffreyi is very widespread and abundant and regenerates well after disturbance events, including logging. A potential threat to play a role in future reduction of subpopulations near urban centres is air pollution. However, no direct links between local die back and air pollution have yet been recorded. 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
The wood, sawdust and resins from various species of pine can cause dermatitis in sensitive people[
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
- 0-395-46722-5
- 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.
].
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.
,
71- Title
- A California Flora.
- Publication
-
- Author
- Munz P.A. & Keck D.D.
- Publisher
- University of California Press; Los Angeles
- Year
- 1959
- ISBN
- -
- Description
- An excellent flora but no pictures. 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.
Range
Western N. America - southern Oregon, California, Nevada, Baja Norte.
Habitat
Usually found in open, mixed conifer forests on dry and exposed slopes, at elevations from 300 - 3,050 metres[
71- Title
- A California Flora.
- Publication
-
- Author
- Munz P.A. & Keck D.D.
- Publisher
- University of California Press; Los Angeles
- Year
- 1959
- ISBN
- -
- Description
- An excellent flora but no pictures. Not for the casual reader.
,
82- Title
- Manual of the Trees of N. America.
- Publication
-
- Author
- Sargent. C. S.
- Website
- http://www.biodiversitylibrary.org/
- Publisher
- Dover Publications Inc. New York.
- Year
- 1965
- ISBN
- 0-486-20278-X
- Description
- Two volumes, a comprehensive listing of N. American trees though a bit out of date now. Good details on habitats, some details on plant uses. Not really for the casual reader. It can be downloaded from the internet.
,
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.
]. Found on a variety of soils, but growing best in those that are deep and well-drained[
229- Title
- The Complete Trees of N. America. Field Guide and Natural History.
- Publication
-
- Author
- Elias. T.
- Publisher
- Van Nostrand Reinhold Co.
- Year
- 1980
- ISBN
- 0442238622
- Description
- A very good concise guide. Gives habitats, good descriptions, maps showing distribution and a few of the uses. It also includes the many shrubs that occasionally reach tree proportions.
].
Properties
Conservation Status | Least Concern |
Edibility Rating | |
Medicinal Rating | |
Other Uses Rating | |
Habit | Evergreen Tree |
Height | 25.00 m |
Growth Rate | Medium |
Pollinators | Wind |
Self-fertile | No |
Cultivation Status | Ornamental, Wild |
Cultivation Details
Pinus jeffreyi is not a very cold-hardy plant, being able to tolerate short periods with temperatures down to around -5 to -10°c when fully dormant[
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.
].
Pine species in general require a sunny position if they are to grow well and, whilst the different species have their own soil preferences, most will thrive in a light well-drained sandy or gravelly loam[
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.
]. Succeeds in most soils[
129- Title
- Alpine Garden Society Bulletin. Volume 56.
- Publication
-
- Author
- ?
- Publisher
- Alpine Garden Society
- Year
-
- ISBN
- -
- Description
- Excerpts from the periodical. Some details on Corydalis spp.
]. The plant can grow on thin soil or even in crevices of bare granite rock in the wild[
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.
]. Dislikes poorly drained moorland 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]).
]. Established plants tolerate drought[
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 ornamental plant[
120- Title
- The Plantsman. Vol. 2. 1980 - 1981.
- Publication
-
- Author
- ?
- Publisher
- Royal Horticultural Society
- Year
- 1980
- ISBN
- -
- Description
- Excerpts from the periodical giving cultivation details and other notes on some of the useful plants including Billardiera spp, Calochortus spp, Drimys spp.
]. It is often short-lived in Britain but is moderately fast growing with some trees reaching a height of 15 metres in 29 years[
185- Title
- Conifers in the British Isles.
- Publication
-
- Author
- Mitchell. A. F.
- Publisher
- HMSO
- Year
- 1975
- ISBN
- 0-11-710012-9
- Description
- A bit out of date (first published in 1972), but an excellent guide to how well the various species of conifers grow in Britain giving locations of trees.
].
A long-lived tree in the wild, specimens 500 years old are known[
229- Title
- The Complete Trees of N. America. Field Guide and Natural History.
- Publication
-
- Author
- Elias. T.
- Publisher
- Van Nostrand Reinhold Co.
- Year
- 1980
- ISBN
- 0442238622
- Description
- A very good concise guide. Gives habitats, good descriptions, maps showing distribution and a few of the uses. It also includes the many shrubs that occasionally reach tree proportions.
]. It commences bearing seeds when about 10 - 15 years old, though good production does not commence until twice that age[
229- Title
- The Complete Trees of N. America. Field Guide and Natural History.
- Publication
-
- Author
- Elias. T.
- Publisher
- Van Nostrand Reinhold Co.
- Year
- 1980
- ISBN
- 0442238622
- Description
- A very good concise guide. Gives habitats, good descriptions, maps showing distribution and a few of the uses. It also includes the many shrubs that occasionally reach tree proportions.
].
Plants are strongly outbreeding, self-fertilized seed usually grows poorly[
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.
]. They hybridize freely with other members of this genus[
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.
]. Closely related to Pinus ponderosa[
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]).
], and hybridizes with it in the wild[
71- Title
- A California Flora.
- Publication
-
- Author
- Munz P.A. & Keck D.D.
- Publisher
- University of California Press; Los Angeles
- Year
- 1959
- ISBN
- -
- Description
- An excellent flora but no pictures. Not for the casual reader.
]. Some of the earlier plantings under this name in Britain have turned out to be Pinus ponderosa[
185- Title
- Conifers in the British Isles.
- Publication
-
- Author
- Mitchell. A. F.
- Publisher
- HMSO
- Year
- 1975
- ISBN
- 0-11-710012-9
- Description
- A bit out of date (first published in 1972), but an excellent guide to how well the various species of conifers grow in Britain giving locations of trees.
].
The seed cones are 12 - 35cm long. They take two growing seasons to maturie, shedding ther seeds whilst still attached to the tree and falling soon thereafter[
82- Title
- Manual of the Trees of N. America.
- Publication
-
- Author
- Sargent. C. S.
- Website
- http://www.biodiversitylibrary.org/
- Publisher
- Dover Publications Inc. New York.
- Year
- 1965
- ISBN
- 0-486-20278-X
- Description
- Two volumes, a comprehensive listing of N. American trees though a bit out of date now. Good details on habitats, some details on plant uses. Not really for the casual reader. It can be downloaded from the internet.
,
226- Title
- Identification Guide to the Trees of Canada
- Publication
-
- Author
- Lauriault. J.
- Publisher
- Fitzhenry and Whiteside, Ontario.
- Year
- 1989
- ISBN
- 0889025649
- Description
- Very good on identification for non-experts, the book also has a lot of information on plant uses.
,
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.
].
The resin from broken shoots has a very strong lemon scent[
185- Title
- Conifers in the British Isles.
- Publication
-
- Author
- Mitchell. A. F.
- Publisher
- HMSO
- Year
- 1975
- ISBN
- 0-11-710012-9
- Description
- A bit out of date (first published in 1972), but an excellent guide to how well the various species of conifers grow in Britain giving locations of trees.
].
Plants in this genus are notably susceptible to honey fungus[
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.
].
Edible Uses
Seed - raw or cooked[
105- Title
- Tanaka's Cyclopedia of Edible Plants of the World.
- Publication
-
- Author
- Tanaka. T. & Nakao S.
- Publisher
- Keigaku Publishing; Tokyo
- Year
- 1976
- ISBN
- -
- Description
- The most comprehensive list of edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.
,
177- Title
- Plants for Human Consumption.
- Publication
-
- Author
- Kunkel. G.
- Publisher
- Koeltz Scientific Books
- Year
- 1984
- ISBN
- 3874292169
- Description
- An excellent book for the dedicated. A comprehensive listing of Latin names with a brief list of edible parts.
]. Large[
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.
]. The oil-rich seed has a resinous flavour and is about 10 - 12mm long[
82- Title
- Manual of the Trees of N. America.
- Publication
-
- Author
- Sargent. C. S.
- Website
- http://www.biodiversitylibrary.org/
- Publisher
- Dover Publications Inc. New York.
- Year
- 1965
- ISBN
- 0-486-20278-X
- Description
- Two volumes, a comprehensive listing of N. American trees though a bit out of date now. Good details on habitats, some details on plant uses. Not really for the casual reader. It can be downloaded from the internet.
,
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 crystallised sap has been gathered and eaten like candy[
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.
].
A vanillin flavouring is obtained as a by-product of other resins that are released from the pulpwood[
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.
].
Medicinal
Oil of turpentine, obtained from the oleo-resin of all pine trees, is antiseptic, antispasmodic, astringent, diuretic, rubefacient, stimulant and vermifuge[
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.
,
329- Title
- The Gymnosperm Database
- Publication
-
- Author
-
- Website
- http://www.conifers.org/index.htm
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- A vast amount of information on conifers and families of gymnosperms.
]. It is a valuable remedy used internally in the treatment of kidney and bladder complaints and is used both internally and as a rub and steam bath in the treatment of rheumatic affections[
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 is also very beneficial to the respiratory system and so is useful in treating diseases of the mucous membranes and respiratory complaints such as coughs, colds, influenza and TB[
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.
].
Applied externally in the form of liniment plasters, poultices, herbal steam baths and inhalers, it is a very beneficial treatment for a variety of skin complaints, wounds, sores, burns, boils etc[
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.
].
Agroforestry Uses:
The needles contain a substance called terpene, this is released when rain washes over the needles and it has a negative effect on the germination of some plants, including wheat[
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.
].
Other Uses
A tan or green dye is obtained from the needles[
168- Title
- Nature's Colors - Dyes from Plants.
- Publication
-
- Author
- Grae. I.
- Publisher
- MacMillan Publishing Co. New York.
- Year
- 1974
- ISBN
- 0-02-544950-8
- Description
- A very good and readable book on dyeing.
].
The plant is a source of oleoresins, which are obtained by tapping the trunk, or by destructive distillation of the wood[
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.
,
64- Title
- Vegetable Gums and Resins.
- Publication
-
- Author
- Howes. F. N.
- Publisher
- Faber
- Year
-
- ISBN
- 81-88818-17-8
- Description
- A very good book dealing with the subject in a readable way.
]. In general, trees from warmer areas of distribution give the higher yields[
64- Title
- Vegetable Gums and Resins.
- Publication
-
- Author
- Howes. F. N.
- Publisher
- Faber
- Year
-
- ISBN
- 81-88818-17-8
- Description
- A very good book dealing with the subject in a readable way.
].
The resin contained in this species is very unusual in that it contains the hydrocarbon n-heptane and lower levels of terpenes than are found in other pine species. This is unmixed with other isomers of heptane and is formed by a very complex and little understood biochemical process. Its purity lead it to be used as the zero-point in the octane rating for petrol. In the past the n-heptane was distilled and used as an additive to raise the octane levels of petrol (gasoline), as well as being used for medicinal applications[
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.
].
Rosin is also obtained by distillation of pine resin. This is used in paper glue and soap manufacturing, as a constituent of varnishes and paints, and for coating the bows of stringed musical instruments such as violins[
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.
,
329- Title
- The Gymnosperm Database
- Publication
-
- Author
-
- Website
- http://www.conifers.org/index.htm
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- A vast amount of information on conifers and families of gymnosperms.
].
Pitch can also be obtained from the resin and is used for waterproofing, as a wood preservative etc[
329- Title
- The Gymnosperm Database
- Publication
-
- Author
-
- Website
- http://www.conifers.org/index.htm
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- A vast amount of information on conifers and families of gymnosperms.
].
Wood - light, strong and fine-grained, it can vary from soft to hard[
229- Title
- The Complete Trees of N. America. Field Guide and Natural History.
- Publication
-
- Author
- Elias. T.
- Publisher
- Van Nostrand Reinhold Co.
- Year
- 1980
- ISBN
- 0442238622
- Description
- A very good concise guide. Gives habitats, good descriptions, maps showing distribution and a few of the uses. It also includes the many shrubs that occasionally reach tree proportions.
]. It is used for making furniture, boxes, toys etc[
229- Title
- The Complete Trees of N. America. Field Guide and Natural History.
- Publication
-
- Author
- Elias. T.
- Publisher
- Van Nostrand Reinhold Co.
- Year
- 1980
- ISBN
- 0442238622
- Description
- A very good concise guide. Gives habitats, good descriptions, maps showing distribution and a few of the uses. It also includes the many shrubs that occasionally reach tree proportions.
].
The tree is often cut and sold under the same name as Pinus ponderosa , but the sweetish odour of the freshly-cut wood of this species contrasts sharply with the turpentine odour of Pinus ponderosa[
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.
].
Propagation
It is best to sow the seed in individual pots in a cold frame as soon as it is ripe if this is possible otherwise in late winter. A short stratification of 6 weeks at 4°c can improve the germination of stored seed[
80- Title
- Hardy Woody Plants from Seed.
- Publication
-
- Author
- McMillan-Browse. P.
- Publisher
- Grower Books
- Year
- 1985
- ISBN
- 0-901361-21-6
- Description
- Does not deal with many species but it is very comprehensive on those that it does cover. Not for casual reading.
]. Plant seedlings out into their permanent positions as soon as possible and protect them for their first winter or two[
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 have a very sparse root system and the sooner they are planted into their permanent positions the better they will grow[
K- Title
- Plants for a Future
- Author
- Ken Fern
- Description
- Notes from observations, tasting etc at Plants For A Future and on field trips.
]. Trees should be planted into their permanent positions when they are quite small, between 30 and 90cm[
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.
]. We actually plant them out when they are about 5 - 10cm tall. So long as they are given a very good weed-excluding mulch they establish very well[
K- Title
- Plants for a Future
- Author
- Ken Fern
- Description
- Notes from observations, tasting etc at Plants For A Future and on field trips.
]. Larger trees will check badly and hardly put on any growth for several years. This also badly affects root development and wind resistance[
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.
].
Cuttings. This method only works when taken from very young trees less than 10 years old. Use single leaf fascicles with the base of the short shoot. Disbudding the shoots some weeks before taking the cuttings can help. Cuttings are normally slow to grow away[
81- Title
- Conifers.
- Publication
-
- Author
- Rushforth. K.
- Publisher
- Christopher Helm
- Year
- 1987
- ISBN
- 0-7470-2801-X
- Description
- Deals with conifers that can be grown outdoors in Britain. Good notes on cultivation and a few bits about plant uses.
].