19-6-12 and 11-7-7 … how to use?

You can use those on annual & perrenial herbaceous plants, woody shrubs, trees…..all the plants you mentioned. The back of bag of the fertilizer will typically provide guideline on how much to apply, and can range from a couple tablespoons for smaller plants to couple cups or more for larger, older trees and shrubs.

Here is a good university fact sheet on fertilizing landscape beds Fertilizing Tree & Shrubs