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Hypericum patulum - Thunb.

Common Name

Goldencup St. Johnswort

Family

Hypericaceae

USDA hardiness

6-7

Known Hazards

None known

Habitats

Shady ravines, sometimes on rocks[158]. Open hillsides, 1500 - 2400 metres in the Himalayas[146].

Range

E. Asia - W. China, Japan, Himalayas.

Edibility Rating

(0 of 5)

Other Uses

(0 of 5)

Weed Potential

Medicinal Rating

(1 of 5)

Care (info)


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Summary

Bloom Color: Yellow. Main Bloom Time: Early summer, Late summer, Mid summer. Form: Rounded.

Physical Characteristics

Hypericum patulum is an evergreen Shrub growing to 1 m (3ft 3in) by 1 m (3ft 3in) at a medium rate.
It is hardy to zone (UK) 6. It is in leaf all year, in flower from August to October, 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 and prefers well-drained 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

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.
Aromatic Stimulant

The seeds are aromatic and stimulant[240].

References

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Other Uses

Hedge Hedge Wood

Plants are sometimes grown as a hedge[146]. Wood - close grained, moderately hard[146].

Special Uses

Hedge Hedge

References

Cultivation details

Landscape Uses:Container, Ground cover, Massing, Rock garden. Easily grown in any reasonably good well-drained but moisture retentive soil[1]. Succeeds in sun or semi-shade but flowers better in a sunny position[200]. This species is only hardy to about -5°c but plants can resprout from the base if they are cut back by cold[184]. Plants in this genus are notably resistant to honey fungus[200]. Special Features: Attractive foliage, Not North American native, Attractive flowers or blooms.

References

Temperature Converter

Type a value in the Celsius field to convert the value to Fahrenheit:

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The PFAF Bookshop

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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 Name	Common Name	Habit	Height	Hardiness	Growth	Soil	Shade	Moisture	Edible	Medicinal	Other
Hypericum androsaemum	Tutsan, Sweet-amber, St. Johnswort	Shrub	1.0	5-10	F	LMH	SN	DM	0	1
Hypericum ascyron	Great Saint John's Wort	Perennial	1.5	3-7		LMH	SN	M	1	2
Hypericum attenuatum		Perennial	0.6	-		LMH	SN	DM	1	0
Hypericum bellum		Shrub	1.0	5-9		LMH	SN	M	0	1
Hypericum calycinum	Rose Of Sharon, Aaron's beard, Creeping Aron's Beard St. Johnswort	Shrub	0.3	5-10	F	LMH	FSN	DM	0	0
Hypericum erectum		Perennial	0.6	5-9		LMH	SN	M	1	1
Hypericum forrestii		Shrub	2.0	4-8		LMH	SN	M	0	0
Hypericum hypericoides	St. Andrews Cross	Shrub	1.2	5-9		LM	SN	DM	0	2
Hypericum japonicum	Matted St. John's Wort	Annual/Perennial	0.5	-		LMH	SN	MWe	0	2
Hypericum kamtschaticum		Perennial	0.3	-		LMH	SN	M	1	0
Hypericum monogynum		Shrub	0.7	8-11		LMH	SN	M	0	2
Hypericum perforatum	St. John's Wort, Common St. Johnswort	Perennial	0.9	3-7		LMH	SN	M	2	4	2
Hypericum sampsonii		Perennial	0.6	8-11		LMH	SN	M	1	2

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.

Expert comment

Author

Thunb.

Botanical References

11146200

Links / References

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

Readers comment


Prof Ravishankar rai	Fri Jun 15 2007

Dear Sir, We have been working on conserbvation of diiferenr species of Hypericum through in bvitro methods. We are intterested to collect all the species of Hypericum available in India. We are interested to coolect the seeds of H patulum for our research work. Kindly give few addresses to contact who are working on these species. Prof Ravishankar Rai Co Ordinator DOS in Botany Unioversity of Mysort Mysore India

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