---
product_id: 45342312
title: "B.t. - Biological Insecticide for Organic Gardening - 1 Gallon Concentrate - Apply Using a Sprayer Following Mix Instructions"
brand: "monterey"
price: "1016.16 DT"
currency: TND
in_stock: false
reviews_count: 8
url: https://www.desertcart.tn/products/45342312-b-t-biological-insecticide-for-organic-gardening-1-gallon-concentrate
store_origin: TN
region: Tunisia
---

# Safe for diverse plants Bee & earthworm friendly Targets caterpillars & worms B.t. - Biological Insecticide for Organic Gardening - 1 Gallon Concentrate - Apply Using a Sprayer Following Mix Instructions

**Brand:** monterey
**Price:** 1016.16 DT
**Availability:** ❌ Out of Stock

## Summary

> 🌱 Defend your garden organically—because your plants deserve the best!

## Quick Answers

- **What is this?** B.t. - Biological Insecticide for Organic Gardening - 1 Gallon Concentrate - Apply Using a Sprayer Following Mix Instructions by monterey
- **How much does it cost?** 1016.16 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/45342312-b-t-biological-insecticide-for-organic-gardening-1-gallon-concentrate)

## Best For

- monterey enthusiasts

## Why This Product

- Trusted monterey brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Organic Certified:** OMRI-listed formula ensures USDA-compliant organic gardening protection.
- • **Eco-Friendly Safety:** Harmless to beneficial insects like honeybees and earthworms when used as directed.
- • **Effortless Application:** Concentrated formula mixes instantly with water for easy use with sprayers.
- • **Precision Pest Control:** Effectively eliminates caterpillars, bagworms, and moth larvae for healthier plants.
- • **Versatile Plant Protection:** Ideal for vegetables, ornamentals, shade trees, and more—one solution for your garden.

## Overview

MontereyB.t. is a 1-gallon concentrated biological insecticide designed to target caterpillars and worm pests across a wide range of plants. OMRI-listed for organic gardening, it protects your garden without harming beneficial insects like bees or earthworms. Easy to mix and apply with sprayers, it offers an eco-friendly, effective solution for professional and home gardeners alike.

## Description

Full description not available

## Features

- INSECT KILLER - This pest control is designed for use on caterpillars and worm type insects, such as cabbage looper, bagworm, gypsy moth, fall cankerworm, elm spanworm and many more.
- FOLIAGE PROTECTOR - This insecticide is designed for use on a variety of plants including broccoli, celery, cabbage, turnip greens, mustard greens, cauliflower, melons, lettuce, tomatoes, shade trees, ornamentals and many more.
- SAFE FOR EARTHWORMS & BEES - When used as directed, Monterey B.t. has no effect on birds, earthworms, or beneficial insects such as honeybees or ladybugs.
- FOR ORGANIC GARDENING - OMRI Listed for Organic Gardening. Organic Material Review Institute reviews products to ensure a product complies with all organic standards under the USDA’s National Organic Program (NOP).
- EASY TO APPLY - Product instantly mixes with water and should be applied using either a trigger spray bottle or pressure tank sprayer. Carefully read and use according to label directions.

## Product Details

- **Item Form:** Liquid
- **Item Weight:** 8.6 Pounds
- **Liquid Volume:** 128 Fluid Ounces
- **Brand:** Monterey
- **Target Species:** Insects

## Images

![B.t. - Biological Insecticide for Organic Gardening - 1 Gallon Concentrate - Apply Using a Sprayer Following Mix Instructions - Image 1](https://m.media-amazon.com/images/I/71DztLXnreL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: How many trees will this 16oz be able to treat?**
A: I sprayed 11 trees with it, 6 20 year old oaks trees, 2 50 year old pecan trees 2 11 year old Riverbirch and 1 Red maple and still had some left in the container.

**Q: Can i put this in the monterey bt ready to spray container?  if so, do i mix it with water or just pour 32 oz of concentrate into the ready to spray?**
A: Just pour 32 oz in the RTS sprayer and attach to hose

**Q: Still good**
A: I used it last year on a 30’ row of trees, and it did the job.

**Q: What are the mixing ratio? Concentrate to gal water**
A: 2 ounces per 3 gallons of water or 2/3 of an ounce per gallon.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Legit works, FAST.
*by J***H on July 6, 2025*

Literally saved my tomatoes this season.Had a major infestation of horn worms, and this killed them within a day.Will have this on hand for every season going forward.

### ⭐⭐⭐⭐⭐ The only spray that saved my flowers!
*by M***E on July 1, 2025*

The caterpillars love my petunias and I was sick of watching my beautiful flowers get obliterated. I tried a few other sprays and they didn’t help at all, but this one delivered on its promise. I am so happy I finally found something that saves my flowers!!!

### ⭐⭐⭐⭐⭐ IT WORKS!
*by M***. on July 22, 2025*

Bottom-line, this stuff works. Our squash is surviving because of this formula. Highly recommend!

## Frequently Bought Together

- Monterey B.t. - Biological Insecticide for Organic Gardening - 1 Gallon Concentrate - Apply Using a Sprayer Following Mix Instructions
- Monterey - Garden Spinosad Insecticide Spray - Organic Gardening Spinosad Concentrate, Control Foliage Feeding Worms - Apply with Sprayer - 1 Gallon
- Monterey Complete Disease Control - Organic Gardening Biofungicide & Bactericide for Control of Plant Disease - 1 Gallon - Foliar Spray or Soil Drench

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**Shop now:** [https://www.desertcart.tn/products/45342312-b-t-biological-insecticide-for-organic-gardening-1-gallon-concentrate](https://www.desertcart.tn/products/45342312-b-t-biological-insecticide-for-organic-gardening-1-gallon-concentrate)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-02-05*