Welcome to the forum! I would suggest that you read up on some things in a few areas of this website. First, click on the Lawn Forum and scroll through some of the previous posted questions to find helpful information like this:
Also, go back to the main page and look for links to Howard's organic printouts that give you wonderful information. You should also check out the very informative books that Howard has about organics in general, vegetables, herbs and tree for Texas and how to identify beneficial insects.
Picking the appropriate forum will help you get your specific questions answered more quickly. Let us know how we can help!