Hornworms are hard to spot because they blend in with your garden like a soldier decked out in camo gear. Fortunately for us they are also luminescent when a black light is shined on them. Black lights are super cheap and can be found anywhere online. By investing in this handy device you'll be doing both your garden and your local vintage 60's accessory store a favor.
For more about the devilish tomato hornworm, visit