Blossfeldia cyathiformis, the smallest cactus species on the world. 50 pcs fresh seeds from year 2023, germination guaranteed. Blossfeldia seeds germinate only in the first year, after 6 months it begins to lose its ability to germinate. Sow in a small plastic container with a lid. The substrate should be mineral, half loam and half sand. Moisten, close the lid and leave closed until the seeds begin to germinate. The seeds germinate in 2-3 weeks at a temperature of 18 - 28 degrees Celsius.