Alderleaf Mountain Mahogany (Cercocarpus montanus)

Also known as: Alder-leaf Cercocarpus, Alderleaf Mountain Mahogany, Birchleaf Mountainmahogany, Hardtack, Mountain Mahogany, Silverleaf Mountain Mahogany, Silver Mountain Mahogany, True Mountain-Mahogany

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The shrub alder-leaf mountain-mahogany is native to northern Mexico. Yellow-haired porcupine, deer, sheep, and cattle graze on its thin and smooth bark. The specific epithet, Cercocarpus, from the Greek words for “tail” and “fruit,” refers to the hairy tails or feathers of the flowers’ elongated shape.

I. Appearance and Characteristics

Cercocarpus montanus is a North American species of shrub or small tree in the family Rosaceae native to northern Mexico and the western United States. It is known by the common names alder-leaf mountain-mahogany, alder-leaf cercocarpus, and true mountain-mahogany. The variety argenteus is commonly known as silverleaf mountain-mahogany.

Cercocarpus montanus often remains under 1 metre (3.3 ft) in height because of browsing by elk and deer, but can reach 20 feet (6.1 m). It has thin and smooth bark. The species is considered to be long lived.

It is also eaten by yellow-haired porcupines.

Alder-leaf mountain-mahogany is sometimes grown as a drought tolerant garden plant, particularly in its native range. It is relatively unobtrusive in most seasons, but is noted for the beauty of its seed in the fall. The wildflower writer Claude A. Barr said that the shiny hairs on the curled plumbs attached to them are particularly attractive in the sun.

Alderleaf Mountain Mahogany (Cercocarpus montanus)

II. How to Grow and Care

Alder-leaf mountain-mahogany is a resilient species, well-suited to arid environments, requiring minimal maintenance. Key care points include ensuring full sun exposure and well-drained soil conditions to mimic its natural habitat. Watering should be infrequent, as alder-leaf mountain-mahogany is drought-tolerant. Avoid excessive moisture to prevent root rot.

Sunlight

Alder-leaf mountain-mahogany thrives best in full sunlight environments, where it can receive unfiltered, intense solar radiation for most of the day. This optimal light exposure is crucial for alder-leaf mountain-mahogany’s growth, vigor, and the production of its distinct foliage and hardy wood. While alder-leaf mountain-mahogany is tolerant of light variability, prolonged periods of shade or reduced light intensity may lead to suboptimal growth and reduced health.

Outdoors, alder-leaf mountain-mahogany should be positioned in open areas, away from larger trees or structures that may cast significant shade. The plant exhibits adaptability through its foliage, angling leaves to maximize light capture, but full sun remains its ideal condition for both growth and health.

Watering

Native to arid regions, alder-leaf mountain-mahogany is well-adapted to environments with low moisture availability, showcasing a strong drought tolerance. This resilience translates into a moderate watering regimen, necessitating hydration once every 1-2 weeks to maintain its vigor. Given that alder-leaf mountain-mahogany is typically an outdoor plant, it thrives best when its water intake mimics the sporadic rainfall of its natural habitat, aligning with the growth cycles dictated by the climate zones it originates from.

Fertilizing

Fertilize alder-leaf mountain-mahogany sparingly with a balanced fertilizer in spring to aid growth and health. Monthly application of high nitrogen fertilizer can bolster leaf production, but avoid overuse to prevent root burn. During growth stages, tailor applications—lighter in winter. Use well-diluted solutions and ensure even distribution around alder-leaf mountain-mahogany’s base, taking care not to contact leaves or stems directly. Monitor soil moisture to avoid fertilizing dry soil. For optimal benefits, adhere to recommended dosage on product labels and reduce frequency in dormant periods.

Propagation

Native to North America, alder-leaf mountain-mahogany thrives in various environments, displaying resilience and adaptability. To propagate, select a healthy, non-flowering stem as a cutting and treat with rooting hormone to enhance success rates. Plant the cutting in well-draining soil and maintain consistent moisture. Providing a balance of indirect sunlight and partial shade will facilitate robust root development. This tailored approach encourages growth while honoring the unique needs of alder-leaf mountain-mahogany.

Transplanting

The perfect season for transplanting alder-leaf mountain-mahogany would be during S1-S3, as these cooler, damp periods ensure optimal root establishment. Preferred site conditions are full sun and well-drained soil. If necessary, fortify the planting hole with organic matter to promote growth.

Alderleaf Mountain Mahogany (Cercocarpus montanus) Details

Common name

Alder-leaf Cercocarpus, Alderleaf Mountain Mahogany, Birchleaf Mountainmahogany, Hardtack, Mountain Mahogany, Silverleaf Mountain Mahogany, Silver Mountain Mahogany, True Mountain-Mahogany

Botanical name

Cercocarpus montanus

Family

Rosaceae

Species

montanus

Origin

Western North America

Life cycle

Plant type

Hardiness zone

, , , , ,

Sunlight

Maintenance

Soil condition

Soil ph

Drainage

Growth rate

Spacing

3 ft. – 6 ft.

Harvest time

Flowering period

Height

8 ft. – 20 ft.

Width

8 ft. – 20 ft.

Flower color

,

Leaf color

,

Fruit color

,

Stem color

Gray, Silver

Fruit type

Fruit benefit

Leaf benefit

Garden style

Uses

Dimensions
Dimensions 63630675053 × 63630675017 cm
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