Consolea rubescens, Opuntia rubescens

Crataegus sp.

USDA Plant Hardiness Zone Map

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Hawthorns are frost-hardy, robust, deciduous tree, most of which are compact enough even for quite small gardens.

+Crataegomespilus is the generic name applied to graft-chimeras between the genera Crataegus and Mespilus.

Crossopetalum ilicifolium

Grows to 2 feet tall and spreads rapidly via underground runners. Peak season of bloom is late winter and early spring with clusters of fragrant white to creamy yellow flowers. Cluster of bright red berries follows the flowers in fall and remain through winter, providing both beautiful color and welcomed winter food for birds. Plant in full sun to part shade. Regular water is usually sufficient but will benefit from more in hotter climates. Maintenance-free growth habits make Crossopetalum ilicifolium an excellent choice for a low-growing ground cover.

This is a popular specimen for xeriscaping applications, making it an excellent choice for dry areas that receive only limited moisture. Crossopetalum ilicifolium will attract butterflies and hummingbirds to the garden due to its attractive, fragrant flowers. It can also act as a living fence or trellis due to its prickly, thorny or spiny stem. It will reach a height of 2-5 feet over time, and its runners will spread to create a low-growing groundcover.

Crossopetalum ilicifolium is adaptable to a wide range of soils and can tolerate drought quite well, but it will perform better with regular water. When grown in pots, it should be allowed to dry out almost completely before the next watering. Alternatively, it can be grown in part shade, making it a good choice for areas that receive too much direct sunlight.

This plant does best in warmer climates and can grow in USDA Zones 9-11. For those living in colder regions, it can be grown in pots and brought indoors during cold periods. In this case, the pot should be placed in a cool spot with bright indirect light, and the soil should be kept slightly moist. Fertilizing the plant once in a while will help to keep it healthy.

Cryosophila stauracantha, Cryosophila argentea, Cryosophila bifurcata

Cycas angulata

Cycas angulata (Angular Cycas) is an attractive large cycad native to Northern Australia. It grows up to 30 ft tall and 1 ft in diameter. The trunk is swollen at the base with occasional offsets, and can form clumps of up to six stems. The blue-green to grey-green glossy leaves are stout and topped with thick arching fronds.

Cycas angulata is well adapted to its native climate with summer rainfall, so it should be kept on the dry side during cold weather. The Latin name angulatus, which translates to "angular", is derived from the arrangement of leaflet on the leaf petiole.

Cycas angulata prefers full sun to semi-shade, and regular to moderate water. It is hardy in USDA zones 9-11. It can survive in cold regions where it is grown in a pot, but the potting soil must be well-drained and fertilized regularly. It should also be protected from strong winds to prevent damage. The plant also has thorns and spines, so make sure to handle it carefully. This is the cycad most mentioned as a food source by Northern Australia aborigines.