From the miracle grow web site.

INDOOR PLANTS

Mix 1 teaspoon (not tablespoon) per gallon of water. Apply every 2 weeks. We do not recommend foliar (leaf) feeding for houseplants.
When to Apply
Feed plants this special formulation every 7 to 14 days before and during bud-set and bloom. Switch to the All Purpose Plant Food after plants bloom. Perfect for all flowering annuals and perennials


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Fertilizer Analysis: 10-52-10 with micronutrients