How to Fertilize geranium 'Miss Stapleton'?
High potash feed regularly during flowering season

geranium 'Miss Stapleton' · Pelargonium 'Miss Stapleton'
Grow in well-drained, sandy loam in a sunny spot. Grow under glass, or in containers and overwinter indoors. Plants are drought tolerant once established, keep almost dry during the dormant period.
High potash feed regularly during flowering season