PLANT FINDER
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Eastern Cape Giant Cycad
Encephalartos altensteinii
Height: 15 feet
Spread: 20 feet
Sunlight:
Hardiness Zone: 9b
Other Names: Breadtree, Broodboom
Description:
A large sized, cycad with long, pinnate leaves of powder blue, maturing to shades of green; will develop a branched or unbranched trunk over a long period; an attractive accent or container plant; must be well drained and prefers slightly acidic soil
Ornamental Features
Eastern Cape Giant Cycad is primarily grown for its highly ornamental fruit. The gold fruits with creamy white overtones and which fade to tan over time are held in abundance in spectacular cones from late winter to early spring. Its attractive large glossy narrow pinnately compound leaves emerge light green in spring, turning bluish-green in color with hints of powder blue the rest of the year. The khaki (brownish-green) stems can be quite attractive.
Landscape Attributes
Eastern Cape Giant Cycad is a spreading evergreen perennial with a shapely form and gracefully arching foliage. Its relatively fine texture sets it apart from other garden plants with less refined foliage.
This is a relatively low maintenance plant, and should never be pruned except to remove any dieback, as it tends not to take pruning well. It has no significant negative characteristics.
Eastern Cape Giant Cycad is recommended for the following landscape applications;
- Accent
- Mass Planting
- General Garden Use
- Container Planting
Planting & Growing
Eastern Cape Giant Cycad will grow to be about 15 feet tall at maturity, with a spread of 20 feet. It has a low canopy with a typical clearance of 2 feet from the ground. It grows at a slow rate, and under ideal conditions can be expected to live to a ripe old age of 200 years or more; think of this as a heritage perennial for future generations! As an evegreen perennial, this plant will typically keep its form and foliage year-round. This is a dioecious species, meaning that individual plants are either male or female. Only the females will produce fruit, and a male variety of the same species is required nearby as a pollinator.
This plant does best in full sun to partial shade. It prefers dry to average moisture levels with very well-drained soil, and will often die in standing water. It is considered to be drought-tolerant, and thus makes an ideal choice for a low-water garden or xeriscape application. It is not particular as to soil pH, but grows best in rich soils. It is quite intolerant of urban pollution, therefore inner city or urban streetside plantings are best avoided. This species is not originally from North America, and parts of it are known to be toxic to humans and animals, so care should be exercised in planting it around children and pets..
Eastern Cape Giant Cycad is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. Because of its height, it is often used as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by smaller plants and those that spill over the edges. It is even sizeable enough that it can be grown alone in a suitable container. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.
This plant is not reliably hardy in our region, and certain restrictions may apply; contact the store for more information.
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