Ferocactus flavovirens seeds grow into the yellow-green barrel cactus — a clustering barrel cactus native to the desert and dry shrubland biome of Mexico (Puebla, Oaxaca), growing on dry limestone hillsides. IUCN Endangered. The epithet flavovirens means 'yellow-green' (from Latin flavus = yellow + viridis = green), referring to the yellowish-green stems. Described by Scheidweil in 1841 as Echinocactus flavovirens. Produces clustering shoots 30–40 cm × up to 40 cm; 13 sharp ribs; 4–6 brown to grey central spines to 8 cm; 12–20 radial spines; yellow to yellowish-red funnel flowers to 3 cm; ellipsoid red fruits 2.8 cm. Cold-tolerant. Family Cactaceae.Full sun; very well-drained, limestone hill soils; drought-tolerant; cold-tolerant; Puebla–Oaxaca, Mexico at limestone hillsides. IUCN Endangered. 'Flavovirens' = yellow-green (Latin flavus+viridis; described Scheidweil 1841; IUCN Endangered); Mexico (Puebla-Oaxaca); clustering 30–40 cm; 13 ribs; yellow-red flowers; limestone hills; cold-tolerant Clustering 30–40 cm × 40 cm; 13 ribs; 4–6 central spines; yellow-red flowers to 3 cm; red fruits; Mexico (Puebla-Oaxaca); IUCN Endangered; cold-tolerant Mexico (Puebla, Oaxaca) — desert/dry shrubland biome; IUCN Endangered; yellow-green barrel; limestone hillsides; described Scheidweil 1841 Genus Ferocactus: SW USA to Mexico; Family Cactaceae; Order Caryophyllales Full sun; well-drained limestone soils; drought-tolerant; cold-tolerant; IUCN Endangered; Puebla-Oaxaca; Cactaceae Ferocactus flavovirens — the yellow-green barrel cactus — IUCN Endangered; named for the yellowish-green stems; clustering habit on limestone hillsides in Puebla and Oaxaca, Mexico.IMPORTANT: Pictures show the adult plant, which is not for sale. The offer is only for seeds.