Echinocactus horizonthalonius cv 'SiroToge Suiheimaru' is a cultivated variety (cultivar) of Echinocactus horizonthalonius, a species known for its striking blue-green body and pronounced ribs adorned with areoles from which spines emerge. This particular cultivar is distinguished by its unique aesthetic traits that have made it a sought-after plant among cactus enthusiasts and collectors.
Description
The 'SiroToge Suiheimaru' cultivar typically maintains the characteristic globular to slightly cylindrical shape of the Echinocactus horizonthalonius species, but with notable enhancements in color and spine development. The body of the cactus exhibits a vibrant blue-green hue that can intensify under optimal growing conditions or with increased sun exposure.
This cultivar is especially admired for its dense, white spines that provide a striking contrast against the blue-green body. The spines are arranged radially, emanating from the areoles along the pronounced ribs of the cactus. Over time, the plant can develop into a stunning specimen with a halo-like appearance due to the dense covering of white spines.
The 'SiroToge Suiheimaru' can produce yellow flowers that bloom near the crown of the plant, adding to its ornamental value. However, flowering is relatively rare and often requires the plant to be of a certain age and under specific growing conditions.
Cultivation Tips
Light: This cultivar thrives in bright, indirect light but can also tolerate direct sunlight. However, gradual acclimatization to direct sun is recommended to prevent scorching, especially in hotter climates.
Soil: A well-draining cactus mix is essential for the health of 'SiroToge Suiheimaru.' Incorporating sand, perlite, or pumice can enhance drainage and prevent root rot.
Watering: Water moderately during the growing season, allowing the soil to dry out completely between waterings. Reduce watering in the winter months to prevent overwatering and root rot.
Temperature: Echinocactus horizonthalonius cv 'SiroToge Suiheimaru' prefers warm temperatures but is relatively cold hardy. It can tolerate temperatures down to about -5°C (23°F) for short periods, provided the soil is dry.
Fertilizing: Apply a diluted, balanced fertilizer during the growing season every 4-6 weeks to support growth and health. Over-fertilizing should be avoided to maintain the plant's compact form and vibrant color.
IMPORTANT: Pictures show adult plants not for sale, the offer is for seeds
