Kaolin Clay (Surround)
Quick Facts
- Type
- Mineral / Physical barrier
- Source
- Refined kaolin (aluminum silicate) clay processed into particle film
- OMRI Listed
- Yes ✓
- Bee Safe
- Yes
- Pet Safe
- Yes
- Residual
- Lasts until washed off by rain; reapply after heavy rainfall
- Best For
- Fruit tree protection during pest flight season. Preventive barrier before pest arrival.
What Is Kaolin Clay (Surround)?
Creates a white particle film on plant surfaces that irritates insects, interferes with feeding and egg-laying, and makes the plant unrecognizable as a host. Does not kill — deters and repels through physical discomfort and host confusion.
Source: Refined kaolin (aluminum silicate) clay processed into particle film
What Pests Does Kaolin Clay (Surround) Kill?
Kaolin Clay (Surround) is effective against the following pests:
How to Apply Kaolin Clay (Surround)
Best for: Fruit tree protection during pest flight season. Preventive barrier before pest arrival.
Avoid for: Active heavy infestations (barrier only, does not kill). Crops where white residue is unacceptable at harvest.
Residual activity: Lasts until washed off by rain; reapply after heavy rainfall
Safety Profile
| Category | Rating |
|---|---|
| Bee Safety | 🟢 Safe for bees |
| Pet Safety | 🟢 Safe for pets |
| Overall Rating | Safe — Safe for kids, pets, and bees when used as directed |
Why Isn't Kaolin Clay (Surround) Working?
If Kaolin Clay (Surround) isn't delivering results, check these common failure modes:
Rain washes it off — must reapply after significant rainfall
Coverage gaps — every surface must be coated; pests find bare spots
Cosmetic impact — leaves white residue on fruit and foliage
Does not kill — only deters; high-pressure infestations overwhelm it
Best Kaolin Clay (Surround) Products
Surround WP
Wettable powderThe original kaolin particle film — OMRI-listed