Rodentiophila

Family. Cactaceae.

Origin. Chile.

Description. Rodentiophila is a small cactus with a spherical green stem, which is currently classified in the genus Eriosica. With age, the stems may take on a cylindrical shape. The ribs are clearly defined, arranged vertically or in a spiral. The spines are long and very thick, often curved along the body of the cactus, and can completely hide the stem of the plant. The flowers are large, appear near the top of the stem, yellow or red, up to 3 cm in diameter.

Height. Grows very slowly and reaches a height of 30 cm. 

Care at home

Temperature conditions

Heat-loving cactus, the ideal temperature is in the range of 22 - 30 ° C, in winter not lower than 5 ° C. 

Lighting

It is suitable for sunny window sills, but tolerates light shade in the summer. Lack of light leads to stunted growth and distortion of shape.

Care

Easy to cultivate, drought-resistant cactus, very susceptible to excessive watering. Loves well-ventilated areas and grows slowly. In the warm season, take rodentiophila outside - this promotes flowering.

Substrate

Tolerates poor soil with a high content of coarse sand. Requires good drainage and sufficiently deep pots. The content of drainage material in the soil should reach 70 - 80 percent, and the pH of the soil should not exceed 5.8.

Feeding

Once a month with liquid fertilizer for cacti and succulents (high potassium and low nitrogen), diluted to half the recommended dosage. 

Purpose

This species is very rarely found in collections and is suitable for lovers of curiosities.

Flowering time

Spring.

Air humidity

Needs constant good air movement, especially when weather conditions are cool or humid.  

Soil moisture

Water moderately and keep completely dry in winter. Adults easily rot and die, so be extremely careful with watering. Store in a dry place in winter.

Transfer

Repot in spring when roots become crowded, usually every 2 years, to provide fresh soil. After transplanting, do not water for a week or more. 

Reproduction

Rodentiophila is propagated by seeds, in spring or summer. Sow seeds in well-drained sandy soil and cover with a thin layer of sand. Keep under a plastic cap for 1 - 2 to maintain high humidity. Germination is difficult and takes about 1 month. Grafting on less demanding rootstocks. Stem cuttings.

Pests and diseases

These cacti attract red spider mites, mealybugs and aphids. Excess fertilizer leads to rapid growth, but also leads to fungal diseases.