How to Fertilize Thelocactus macdowellii?
Balanced perennial feed every four weeks from spring through summer
Thelocactus macdowellii · Thelocactus macdowellii
Grow in standard cactus compost in full light with low humidity. When in growth, water moderately and apply a low-nitrogen fertiliser monthly; keep dry in winter. See houseplant cacti and succulent cultivation for further information
Balanced perennial feed every four weeks from spring through summer