Astrophytum ornatum
Monk's Hood
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Monk's Hood (Astrophytum ornatum) - Description
This is the tallest of the Astrophytum cacti. The place of origin of this cactus is on the central plateau of Mexico. An established plant is cold tolerant to the mid to low twenty degrees Fahrenheit. Also called the bishop's cap is the largest Astrophytum species. It is a rugged plant resistant to root rot, and easy to grow in a well drained soil.
Monk's Hood (Astrophytum ornatum) - Blooming
Large flowers are borne in spring and summer. The flowers are diurnal. Blooms are followed by ovoid, green or red berries.
Monk's Hood (Astrophytum ornatum) - Growth
Slow-growing cacti. Grows best with full sun exposure. Where temperatures drop below 50ºF (10ºC), it is best to raise plants indoors in a temperate greenhouse. Elsewhere, Astrophytum works well in a desert garden.
Monk's Hood (Astrophytum ornatum) - Planting
Propagate from the seed in early spring at 70ºF (21ºC).
Monk's Hood (Astrophytum ornatum) - Pest
Prone to aphids, scab, and root rot.
Monk's Hood (Astrophytum ornatum) - Interesting facts
There are only 4-6 known species in the genus Astrophytum, native to dry, arid regions in S. Texas, and N. and C. Mexico. The ovoid berries of Astrophytum contain boat-shaped seeds.
Monk's Hood (Astrophytum ornatum) - Soil and irrigation
Does best in poor, slightly alkaline soil that is sharply draining. Standard cactus potting mix with added limestone chips works fine for indoor plants. Water moderately during the growing season. Keep almost completely dry when dormant.
