How to Fertilize foxtail agave?
Weak low-nitrogen succulent feed once monthly in warm growing months

foxtail agave · Agave attenuata
Frost tender, so in most locations, this perennial can only be grown outdoors in summer. Use a free-draining compost. Grow under glass in cactus compost in full light. Water less in autumn and keep dry in winter. See houseplant cacti and succulent cultivation for more advice
Weak low-nitrogen succulent feed once monthly in warm growing months