Description
This cultivar also known as “kikko” is easily distinguishable for its ± wide and long pointed tubercles along the ribs edges. In general the bigger the “teeth” are and the longer and stiffer they are, the better. All species of Astrophytum (excluded Astrophytum caput-medusae) have their particular “kikko” variants.
Stem: Quadricostatum to almost spherical, dimension 10-15 cm tall, 5-10 cm in diameter.
Spines: None.
Ribs: 4.
Flowers: Like those of the well known Astrophytum coahulense yellow with a contrasting red throat.
Blooming season: Spring to summer.
Origin and Habitat
Japan. Garden origin (Nursery produced cultivar)
Cultivation and Propagation
Although regarded as a choice and difficult plant in cultivation it is relatively easy to grow. It is sometime seen as a grafted plant but grows very well on its own roots too. Use mineral well permeable substratum with little organic matter (peat, humus). Water sparingly from March till October and keep perfectly dry in winter at temperatures from 5 to 15 degrees centigrade. (but it is Hardy to -7°C for short periods) In the rest period no high atmospheric humidity!!
Sun Exposure: Light shade to full sun.
Propagation: By seed or usually grafted onto column-shaped cacti.
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