Propane: 20lbs for $13.75 or $2.95 by the Gallon

Happy Frog Fruit & Flower Fertilizer, 4-9-3 Formula, 4-Lbs.

Foxfarm

This 4-lb. fertilizer is specifically designed to supply phosphorus for fruit and flower development. Also contains nitrogen essential to support growth through the end of the growing season. Mycorrhizae and bacteria are included to help increase root efficiency and convert nutrients into a form plants can use.