After losing many plants (moves, pests) I am starting over growing tropical hibiscus. I made my purchase at HVH and I wanted to purchase their fertilizer, but the shipping is $17+! Under any circumstances, that is expensive, plus I have only 1 plant! I can get dyna grow foliage-pro 9-3-6 on Amazon with free shipping. Will the dyna gro make vigorous plants with many blooms like the HVH would? Thank you!