Parodia mammulosa subs. ritteriana

This subspecies is a robust summer grower, syncing its main metabolic activity and structural growth with the warm, humid summers of the South American pampas. It is a highly reliable bloomer, pushing large, satiny, bright lemon-yellow flowers featuring a highly distinct, contrasting dark red or purple stigma right out of the apical crown in late spring and early summer. It enters a shallow winter rest as temperatures drop, during which it can handle cool, dry conditions well. In cultivation, it is far more forgiving than hyper-arid species but still requires excellent drainage to prevent root rot. It thrives in a porous, mineral-heavy substrate with a small organic component (such as 75% to 80% pumice and granite grit blended with clean loam) and appreciates regular, thorough watering once the potting medium dries out during the active summer months, followed by a dry, cool winter rest. syn. Notocactus ritterianus