Cercocarpus montanus - Raf.
Common Name Mountain Mahogany, Alderleaf mountain mahogany, Silver mountain mahogany, Island mountain mahogany,
Family Rosaceae
USDA hardiness 6-7
Known Hazards None known
Habitats Dry rocky bluffs or mountainsides, 1,000 - 2,700 metres in Texas[227].
Range Western N. America - Washington to California.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Fully Hardy Well drained soil Moist Soil Full sun

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Main Bloom Time: Early summer, Early spring, Late summer, Late spring, Mid summer, Mid spring. Form: Oval, Upright or erect.

Cercocarpus montanus Mountain Mahogany, Alderleaf mountain mahogany,  Silver mountain mahogany, Island mountain mahogany,

Cercocarpus montanus Mountain Mahogany, Alderleaf mountain mahogany,  Silver mountain mahogany, Island mountain mahogany,
Physical Characteristics
 icon of manicon of shrub
Cercocarpus montanus is an evergreen Shrub growing to 4 m (13ft 1in) at a medium rate.
It is hardy to zone (UK) 5. It is in leaf 12-Jan It is in flower from May to June. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects.It can fix Nitrogen.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought. The plant can tolerate maritime exposure.


Woodland Garden Sunny Edge; Hedge;
Edible Uses
None known
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.

Laxative;  Stomachic;  Tonic.

An infusion of the leaves has been used as a general strengthened to the system[257]. The roots and the bark have been used in the treatment of stomach complaints[257]. A cold infusion of the plant or leaves has been used as a laxative[257].


Other Uses
Broom;  Dye;  Fuel;  Hedge;  Hedge;  Wood.

Bunches of the tied stems have been used as rough brooms[257]. A red to brown dye can be obtained from the root bark[257]. The bark is often mixed with alder and wild plum root barks when making the dye[257]. Tolerant of maritime exposure and amenable to training, this species can be grown as a hedge in seaside gardens[K]. The wood is heavy, hard and brittle[82]. It makes a valuable fuel and is occasionally used in the manufacture of small articles for domestic and industrial use[82].
Cultivation details
Landscape Uses:Erosion control, Hedge, Screen. Requires a perfectly drained soil in a sunny position[200]. Tolerant of salt spray[200]. Succeeds in a hot dry position. This species has many sub-species. Whilst some forms are hardy to about -17°c when in a suitable soil and position, other forms are frost tender. The hardiest forms, succeeding in zone 5, are C. montanus argenteus (Rydb.)F.L.Matinn and C. montanus glaber (S.Wats.)F.L.Martin. Less hardy are C. montanus paucidentatus (S.Wats.)F.L.Martin which succeeds in zone 7, C. montanus blanchae (C.Schneid.)F.L.Martin and C. montanus minutiflorus (Abrams.)F.L.Martin are hardy in zone 8 whilst C. montanus traskiae (Eastw.)F.L.Martin. is the least hardy, to zone 9[200]. Some members of this genus have a symbiotic relationship with certain soil micro-organisms, these form nodules on the roots of the plants and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[200, 212]. Special Features:North American native, Inconspicuous flowers or blooms.
Seed - sow autumn or late winter in a cold frame. Seed of the more tender forms is best sown in the late winter whilst hardier forms are best sown in the autumn. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in a cold frame for at least 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, July/August in a frame.
Other Names
Found In
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 NameEdibility RatingMedicinal Rating
Cercocarpus ledifoliusMountain Mahogany, Curl-leaf mountain mahogany12


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Subject : Cercocarpus montanus  

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