Howard Garrett
and the
TEXAS ORGANIC RESEARCH CENTER
TORC

In general, toxic synthetic pesticides are specifically prohibited, i.e., neurotoxins including all carbamates, organophosphates, pyrethroids, organochlorines and all products containing piperonyl butoxide (PBO). Certain toxic organic pesticides such as pyrethrum are also excluded.

Acceptable Organic Soil Amendment and Fertilizer Products         

Bradfield
Coffee grounds 
Compost
Compost tea
Composted biosolids 
Corn gluten meal (60% protein or 9-0-0 analysis)       
Cornmeal products   
Cottonseed meal     
Diatomaceous earth (natural)   
Dry molasses   
Earthworm castings       
Fish hydrolysate and fish meal
Garrett Juice
Granite
Greensand
GreenSense Products
Medina Products
Hu-More Products
Bioform Products
Bradfield Products
Hou-Actinite
Humates
Humic acid products
Lava sand
Microlife products
Molasses (dry)
Molasses (liquid)
Mycorrhizal fungi projects
Native cedar products
Nature's Creation products
Nature's Guide products (except those containing urea or pyrethrum)
Seaweed products
Soil Mender products
Texas greensand
Vinegar (apple cider and other fruit-based products)
Volcanite
Wheat bran products
Zeolite

Unacceptable Fertilizer Products 

Ammonium nitrate
Ammonium sulfate
Miracle-Gro
Osmocote
Peters 20-20-20
Synthetic fertilizers
Synthetic growth regulators
Synthetic weed and feed fertilizers
Urea 

Acceptable Organic/Natural Pest Control Products  

Bactimos briquettes     
Baking soda           
Beneficial insects 
Beneficial nematodes  
Bioblast       
Biological products      
Bora-Care             
Borate products           
Boric acid               
Cedar-Cide products       
Cinnamon products      
Citrex      
Citric acid products  
Citrus products
Clove oil       
Cornmeal products
D-limonene       
Diatomaceous earth (natural)  
Eco PCO D            
Eco PCO Exempt      
Eugene oil         
Garlic tea products
Garlic pepper tea    
Glue traps
Horticultural oil   
Hydrogen peroxide   
Insecticidal soap      
Live traps           
Mosquito Dunks
Neem   
Niban (without PBO)      
Orange oil                
Pepper products (red and black)
Plant Wash    
Spinosad         
Tim-Bor
Vinegar (from grain alcohol, not distilled from 99% glacial acetic acid).                                       

Unacceptable Pest Control Products

 2,4-D
Acetic acid (petroleum based)
Amdro
Atrazine
Bayleton
BHA
BHT
BR-61
Broadleaf herbicides
Clopyralid
Copper products
Daconil
Diazinon
DSMA
Dursban
Ethoxyquin
Finale
Fipronyl products
Funginex
Glyphosate products  
Grazon
Ironite
Manage
Merit
MSMA
Orthene
Orthonex
PBO
Pendimethalin
Picloram
Piperonyl butoxide
Pyrethroids
Pyrethrum
Pyrethrins
Rapid Gro
Rotenone
Round Up
Sabadilla
Silica gel
SU herbicides
Synthetic fungicides