Bonide Thuricide BT Concentrate 8 oz Review

An 8 ounce ready-to-mix BT concentrate for caterpillar, moth, and worm control in lawn and garden plant-care routines.

Seller pricing varies Updated May 22, 2026

Bottom line

Bonide Thuricide BT Concentrate 8 oz gives small plant-care shelves a compact ready-to-mix bottle for caterpillar, moth, and worm checks.

Bonide Thuricide BT Concentrate 8 ounce bottle

What this review covers

The useful details are the 8 ounce size, ready-to-mix concentrate format, BT identity, and focused role for caterpillar, moth, and worm control.

The upside

  • The 8 ounce bottle gives small gardens a compact BT concentrate for occasional spray rounds.
  • The product page names caterpillar, moth, and worm control, which gives the bottle a clear use case.
  • Ready-to-mix format pairs neatly with a hand sprayer, measuring tool, and rinse station.

The tradeoffs

  • The small bottle should be tracked with notes so refill timing stays clear during active pest weeks.
  • Mixed spray work needs careful labels, leaf coverage, and post-use cleanup.

Fit and feel

Good match:

This bottle suits gardeners who want a small BT concentrate for occasional caterpillar, moth, and worm-control spray rounds.

What to know:

Use a dedicated measuring tool, keep route notes, and check leaves again after the next watering or growth flush.

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Full review

A small ready-to-mix BT bottle

Bonide Thuricide BT Concentrate in the 8 ounce size gives gardeners a compact bottle for caterpillar, moth, and worm control routines. The small format fits a shelf where space is shared with gloves, sprayer labels, measuring tools, and rinse supplies.

It suits a focused leaf-check route where a gardener wants BT on hand for vegetables, ornamentals, and garden edges listed on the label.

Clear role for leaf-feeding checks

The product page names caterpillar, moth, and worm control, which keeps the bottle’s role easy to understand. Use it when the garden walk shows leaf chewing, caterpillar presence, or listed pest pressure that matches the label.

A notebook entry helps connect the product to the observed spot. Write down the plant, date, route, and weather so follow-up checks stay calm.

Keep the mixing station tidy

Ready-to-mix concentrate still needs a measured process. Label the sprayer, mix with care, spray according to the label, and rinse the sprayer parts when the route is complete.

Store the bottle upright and keep the label readable.

Good match

This bottle suits gardeners who want a small BT concentrate for occasional caterpillar, moth, and worm-control spray rounds.

What to know

Use a dedicated measuring tool, keep route notes, and check leaves again after the next watering or growth flush.