After flowering, retain the leaves and apply a balanced liquid fertilizer weekly while the bulb is growing. UF/IFAS separately describes light feeding throughout flowering.
How to fertilize Hippeastrum hybrids
Feed a potted amaryllis with balanced liquid fertilizer while leaves grow. Stop in late September as the bulb enters a semi-dormant rest.
Plant coveredHippeastrum hybridsAmaryllis · indoor container
Check for active growth
When to fertilize
Stop feeding in late September and reduce watering as the bulb enters a semi-dormant rest, then restart after the rest period. Summer bulbs may be kept outdoors or in a greenhouse under the RHS regime.
Follow the product label
Fertilizer type and dose
Use a balanced liquid fertilizer for an established potted bulb. RHS uses general pot-plant feed for seedlings after their first growth period.
Inspect a stressed plant before feeding
When not to fertilize
Sources
- Royal Horticultural SocietyHow to grow Hippeastrum; Feeding, summer care and dormancy
- University of Florida Institute of Food and Agricultural Sciences ExtensionCulture and maintenance; Fertilization