Sulcorebutia sunrise


There are not synonyms for this plant


Rebutia cv. sunrise is a popular variety obtained by hybridization, specifically between Rebutia heliosa and Rebutia pulvinosa ssp. albiflora.


Sulcorebutia sunrise is a small succulent belonging to the Cactaceae botanical family. The plant forms a clustering mound of tiny heads and can reach up to 3 cm in diameter. The stem is short, globular to spherical, dark green in color. The areoles are small, brownish to greyish, very numerous and cover all the surface of the plant. The 24-26 spines are inserted on the areoles and are short, spreading laterally, silvery-white in color covering all the surface. The roots are big, fleshy, conical and taproot. Blooming occurs in early summer and blossom are borne near the apex of the stem. This plant blooms once it reaches 2 or 3 years of age. The flowers are funnel-shaped, covered outside and inside with greyish woolly and they are made of many petals. The flowers are pink outside and pale yellow to orange inside; the stamens are yellow and are located at the center of the flower. The flowering lasts for 3-4 days.


The plant has a slow growth rate but it easy to cultivate. The best sun-exposure is in bright place but is recommended to avoid direct sun-light in the hottest periods. The minimum temperatures that the plant can withstand are 0° C, below this temperature it begins to suffer so it needs to be placed indoors in the coldest periods. The perfect soil is a well-drained soil that let the water to drain away and avoid root rot. To achieve this feature, you can mix the pumice soil, clay and soil. Remember to use a perforating pot to drain excess water. Watering can be done regularly in Spring and Summer: during the vegetative period you can water the plant (every 7 days), checking that the soil is completely dry before watering again; in winter you should stop the watering to allow the plant to enter dormancy. If you want a faster and lush growth you can fertilize the plant once a month during the growing season with the specific fertilizers for succulents; stop fertilizing throughout the winter. If the pot starts to be too small for the plant you can repot the plant in a pot 2 cm wider. Repotting should be done early in the growing season with fresh new potting soil. Be careful to red spiders and mealy bugs.


Propagation can be done by cutting or by seed. By cutting you can make the cut during the spring and then let the cutting dry; after a few days the cut surface will dry and a callus will form, then place the cutting in a mixture of sand, soil and pumice. To increase the success of propagation you can make two or more cuttings at the same time. For cuttings it is recommended temperatures around 20 °C. By seed it is very simple to propagate the plant, it is enough to sow the seed in a sandy loam soil and keep it with a high level of humidity and at temperature of 14 C°.


Sulcorebutia, along with other types of Cactaceae, has recently been aggregated into the Rebutia genus. The genus was named after Pierre Rebut (1828–1902), a French cactus nurseryman.

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