Name: gymnocalycium ferox v. ferocior
Size: 6 cm
Age: 15 years + (maintained in a smaller form)
Country of origin: grown from own seeds in the Czech Republic
Growing method: from seed
Location: Los Llanos area, La Rioja, Argentina.
Plant color: dark green to dull
Flower color: white, outer petals are olive, inner petals in the lower half more or less tinted to deep pink.
Soil composition: peat and silica sand in a ratio of 3:1
Vegetation: Grows well in full sun and partial shade (but will form thicker spines in full sun).
Cultivation: grows up to 13 cm in diameter and 6-7 cm high
fertilization: krystalon fruit and flower
chemical treatment: Movento 100 SC
information: sent without soil and pot