What color is Thuricide? Does it change color over time?

Thuricide is a fairly thick hunter green color and mine has never changed color. 'Course, I don't keep it any longer than the current growing season. Once you dilute it to spray, it's only active for up to 12 hours but I've never trusted that time frame so always use it within a couple of hours. Does a terrific job of wiping out the caterpillers! We haven't had a tomato hornworm in the veggie garden for 4 years and there has been no harm to anyone who eats the tomatoes! My flowers no longer look like "lace" from caterpiller damage. I highly recommend it!

How long does one application last?

Application will last until rain unless using on herb plants can use till harvest

I know it says, "safe for all plants", but I've used products with the same claim before, w/detrimental effects, on atropa belladonna. Anyone?

This is a biologic so I can't imagine it hurting anything but the caterpillars. I would trust the label and follow the directions. On the other hand, fungicides, which BT is not, can be harmful to some plants such as begonias, but as this is a bacteria that is only active for a few days it probably can't harm any plant

How effective is this product on fungus gnats?

It worked well. I sprayed twice.

Southern Ag 100520028 13021 Caterpillar Control 8 Oz

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Description

🦋 Protect your garden’s glow-up with nature’s own caterpillar nemesis!

ECO SAFE FORMULA - USDA certified organic with minimal impact on beneficial species
ECONOMICAL CONCENTRATE - Mix 2-4 teaspoons per gallon for extended use and coverage
PRECISION PEST CONTROL - Targets caterpillars & worms with proven Bt bio-insecticide
USER FRIENDLY APPLICATION - Ideal for electric sprayers, ensuring thorough leaf & soil protection
VERSATILE GARDEN GUARDIAN - Effective on vegetables, citrus, nuts, shrubs, trees & ornamentals

Southern Ag Thuricide HPC Concentrate is an 8 oz organic insecticide featuring Bacillus Thuringiensis, designed to control caterpillars and worms across a wide range of plants. Its low toxicity makes it safe for humans and pets, while its concentrated liquid form allows for efficient, customizable application. Trusted by gardeners for effective, eco-friendly pest management.

Specifications

ASIN	B004CZ2YBW
Best Sellers Rank	#18,623 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #110 in Insect & Pest Repellent Spray Concentrates
Brand	Southern Ag
Brand Name	Southern Ag
Customer Reviews	4.6 out of 5 stars 932 Reviews
Included Components	Southern AG Thuricide HPC Concentrate 8oz
Item Form	Liquid
Item Type Name	Concentrate 8oz
Item Weight	0.01 Ounces
Liquid Volume	8 Fluid Ounces
Manufacturer	Southern AG
Model Number	100520028
Part Number	100520028
Specification Met	USDA
Target Species	Insects
UPC	051538130219

Reviews

L**E

21.09.2025

M**2

16.08.2025

E**L

11.12.2025

J**3

6.01.2026

R**N

17.05.2025

R**K

7.07.2023

L**S

22.02.2026

A**R

22.08.2025

A**R

24.09.2025

B**K

4.04.2025

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