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Hypericum forrestii - (Chitt.)N.Robson.

Common Name
Family Hypericaceae
USDA hardiness 4-8
Known Hazards None known
Habitats Open stony situations on hillsides, sometimes beside streams, also at Pinus forest margins at elevations of 1500 - 3000, occasionally to 4000 metres[266].
Range E. Asia - China to the Himalayas.
Edibility Rating    (0 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Fully Hardy Moist Soil Semi-shade Full sun
Hypericum forrestii


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Hypericum forrestii
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Summary


Physical Characteristics

 icon of manicon of shrub
Hypericum forrestii is a deciduous Shrub growing to 2 m (6ft 7in).
It is hardy to zone (UK) 5. It is in flower from July to September, and the seeds ripen from September to November. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in heavy clay soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

H. calcaratum. H. patulum forrestii. H. patulum henryi. non Bean.

Habitats

Woodland Garden Sunny Edge; Dappled Shade; Hedge;

Edible Uses

None known

References

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.


None known

References

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An important new book from PFAF. It focuses on the attributes of plants suitable for food forests, what each can contribute to a food forest ecosystem, including carbon sequestration, and the kinds of foods they yield. The book suggests that community and small-scale food forests can provide a real alternative to intensive industrialised agriculture, and help to combat the many inter-related environmental crises that threaten the very future of life on Earth.

Read More

FOOD FOREST PLANTS

Other Uses

Hedge  Hedge

Plants can be grown as an informal hedge[29].

Special Uses

Hedge  Hedge

References

Cultivation details

Easily grown in any reasonably good well-drained but moisture retentive soil[1]. Grows well in heavy clay soils. Succeeds in sun or semi-shade but flowers better in a sunny position[200]. Plants are hardy to about -10°c[184]. A very ornamental plant[1]. Plants in this genus are notably resistant to honey fungus[200].

References

Temperature Converter

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Fahrenheit:

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The PFAF Bookshop

Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees, and Woodland Gardening. Our new book to be released soon is Edible Shrubs.

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Propagation

Seed - sow spring in a greenhouse and only just cover the seed. Germination usually takes place within 1 - 3 months at 10°c. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Cuttings of half-ripe wood 10 - 12 cm with a heel, July/August in a frame. Plant out in the following spring[200]. Cuttings of mature wood, 12 - 17cm with a heel, October/November in a sheltered position outdoors. Plants root by the spring. Good percentage[78].

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Hypericum androsaemumTutsan, Sweet-amber, St. JohnswortShrub1.0 5-10 FLMHSNDM01 
Hypericum ascyronGreat Saint John's WortPerennial1.5 3-7  LMHSNM12 
Hypericum attenuatum Perennial0.6 -  LMHSNDM10 
Hypericum bellum Shrub1.0 5-9  LMHSNM01 
Hypericum calycinumRose Of Sharon, Aaron's beard, Creeping Aron's Beard St. JohnswortShrub0.3 5-10 FLMHFSNDM00 
Hypericum erectum Perennial0.6 5-9  LMHSNM11 
Hypericum hypericoidesSt. Andrews CrossShrub1.2 5-9  LMSNDM02 
Hypericum japonicumMatted St. John's WortAnnual/Perennial0.5 -  LMHSNMWe02 
Hypericum kamtschaticum Perennial0.3 -  LMHSNM10 
Hypericum monogynum Shrub0.7 8-11  LMHSNM02 
Hypericum patulumGoldencup St. JohnswortShrub1.0 6-7 MLMHSNM01 
Hypericum perforatumSt. John's Wort, Common St. JohnswortPerennial0.9 3-7  LMHSNM242
Hypericum sampsonii Perennial0.6 8-11  LMHSNM12 

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

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Expert comment

Author

(Chitt.)N.Robson.

Botanical References

11200266

Links / References

For a list of references used on this page please go here

Readers comment

ir. F.G. van Ogtrop   Wed May 31 2006

I can't find detailed information on the available substances in the cell content. What about the smell of cannabis when touched or wet? It is from the non-edible non-medicinal contaminants, of course: might it be good to smoke?

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