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Herbal Database Search ResultsBack to: Pathways Main Search Page For Metaphysical uses visit The Witchs Haven Juglans regia fallax
Physical CharacteristicsA decidious tree growing to 30m. It is hardy to zone 5 and is frost tender. It is in flower from May to June. The flowers are monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and are pollinated by Wind. The plant is self-fertile. We rate it 3/5 for edibility and 0/5 for medicinal use. The plant prefers light (sandy), medium (loamy) and heavy (clay) soils and requires well-drained soil. The plant prefers acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It requires moist soil. Habitats and Possible LocationsWoodland, Canopy.Edible UsesOil; Seed.
Seed - raw or cooked[46, 61, 105]. Thin shelled[200].
Medicinal UsesDisclaimerNone known Other UsesHerbicide.Plants produce chemicals which can inhibit the growth of other plants. These chemicals are dissolved out of the leaves when it rains and are washed down to the ground below, reducing the growth of plants under the tree[18, 20, 159]. The roots also produce substances that are toxic to many plant species, especially apples (Malus species), members of the Ericaceae, Potentilla spp and the white pines (certain Pinus spp.)[200]. Cultivation detailsRequires a deep well-drained loam and a sunny position sheltered from strong winds[1, 11]. Prefers a slightly alkaline soil[200].The dormant plant is very cold-tolerant, but the young growth in spring, however, can be damaged by late frosts. Plants produce a deep taproot and they are intolerant of root disturbance[1, 11]. Seedlings should be planted out into their permanent positions as soon as possible and given some protection for their first winter or two since they are somewhat tender when young[1, 11]. Flower initiation depends upon suitable conditions in the previous summer[200]. The flowers and young growths can be destroyed by even short periods down to -2°c, but fortunately plants are usually late coming into leaf[200]. Any pruning should only be carried out in late summer to early autumn or when the plant is fully dormant otherwise wounds will bleed profusely and this will severely weaken the tree[200]. Trees have a dense canopy which tends to reduce plant growth below them. We have no specific information for this species, but the roots of several members of this genus produce substances that are toxic to many plant species, especially apples (Malus species), members of the Ericaceae, Potentilla spp and the white pines (certain Pinus spp.)[200]. The leaves of many species also secrete substances that have an inhibitory affect on plants growing underneath them. All in all this is not a very good companion plant[K]. This plant is cultivated for its edible seed in China[46, 61]. This species is notably susceptible to honey fungus[200]. PropagationThe seed is best sown as soon as it is ripe in individual deep pots in a cold frame[80]. You need to protect it from mice, birds, squirrels etc. The seed usually germinates in late winter or the spring. Plant out the seedlings into their permanent positions in early summer and give some protection from the cold for their first winter or two.The seed can also be stored in cool moist conditions (such s the salad compartment of a fridge) over the winter and sown in early spring but it may then require a period of cold stratification before it will germinate[78, 80, 113]. SuppliersPlants For A Future is working with the following groups to try and make these plants easily available. Parts of the proceeds will be donated to so please mention us when ordering.
For more details of plant suppliers please see our Suppliers Page which lists many more places to look. Web References
References for the family Juglandaceae.
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
[1] F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951 [11] Bean. W. Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement. Murray 1981 [18] Philbrick H. and Gregg R. B. Companion Plants. Watkins 1979 [20] Riotte. L. Companion Planting for Successful Gardening. Garden Way, Vermont, USA. 1978 ISBN 0-88266-064-0 [46] Uphof. J. C. Th. Dictionary of Economic Plants. Weinheim 1959 [61] Usher. G. A Dictionary of Plants Used by Man. Constable 1974 ISBN 0094579202 [78] Sheat. W. G. Propagation of Trees, Shrubs and Conifers. MacMillan and Co 1948 [80] McMillan-Browse. P. Hardy Woody Plants from Seed. Grower Books 1985 ISBN 0-901361-21-6 [105] Tanaka. T. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing 1976 [109] Wilson. E. H. Plantae Wilsonae. [113] Dirr. M. A. and Heuser. M. W. The Reference Manual of Woody Plant Propagation. Athens Ga. Varsity Press 1987 ISBN 0942375009 [159] McPherson. A. and S. Wild Food Plants of Indiana. Indiana University Press 1977 ISBN 0-253-28925-4 [200] Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992 ISBN 0-333-47494-5 Readers CommentsMain Search Page Bibliography
Plant information taken from the
Plants For A Future -
Species Database.
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