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Summary

Physical Characteristics

Dirca occidentalis is a deciduous Shrub growing to 1.8 m (6ft).
See above for USDA hardiness. It is hardy to UK zone 7 and is not frost tender. It is in flower in March. The species is hermaphrodite (has both male and female organs).
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Plant Habitats

Woodland Garden Sunny Edge; Dappled Shade; Shady Edge;

Edible Uses

None known

References More on Edible Uses

Medicinal Uses

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None known

References More on Medicinal Uses

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Other Uses

Basketry Fibre Paper String

The following uses are for the closely related D. palustris, they quite possibly also apply to this species[K]. The tough flexible shoots are used in basket making and as a tying material[1, 11, 43, 46, 95]. A rope can be made from the bark fibres[1, 11, 46, 61]. The bark fibres are also used in making paper[189]. The stems are harvested in summer, the leaves are removed and the stems steamed until the fibres can be stripped. The outer and inner barks are separated by scraping or peeling. The fibres are cooked for 2 hours or less with soda ash and then beaten with mallets or put through a blender. The paper is greenish cream in colour[189].

Special Uses

References More on Other Uses

Cultivation details

Thrives in a moist peaty soil[1, 11] and a sheltered position[175]. Prefers a reasonably moist humus-rich limy soil according to another report[182]. The flowers are produced in early spring and they are often damaged by frost[1, 200].

References Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Plant Propagation

Seed - best sown in a cold frame as soon as it is ripe[113]. Remove the fruit flesh since this can inhibit germination[113]. Dried seed will require 2 - 3 months cold stratification[113]. The seed usually germinates in 1 - 6 months at 15°c[175]. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Layering.

Other Names

If available other names are mentioned here

Native Range

NORTHERN AMERICA: United States (California)

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 itâ€™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
Dirca palustris	Leather Wood, Eastern leatherwood	Shrub	1.8	4-8		LMH	SN	M	0	2	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.

Dirca occidentalis - A.Gray.