Modern Bees
Est. Dryden · Columbia Valley
Pollinator Protection · 2026 modernbees.farm/spray Washington Tree Fruit
Field Reference · Before You Spray

Check before
you spray.

If hives are in or near the block, this is the reference. Four categories — from do-not-apply to any-time safe. Covers 78 products used in Washington tree fruit. Search by trade name or active ingredient.

78 products4 toxicity categories
Washington Tree FruitApple, cherry, pear
WSU 2026Current-season guide
Dennis ChidesterDryden, WA · WA25-304
Cat. I
Do not apply during bloom
Highly toxic · No exceptions
22 products
Cat. II
Late evening only
6 pm – midnight
6 products
Cat. III
Evening or morning
6 pm – 7 am
16 products
Cat. IV
Safe at any time
During bloom · No restrictions
34 products
Trade name or a.i.
No products match that search.
Category I

Do not apply to blooming plants

Highly toxic · No application window during bloom
Actarathiamethoxam
Admire Proimidacloprid
Asana XLesfenvalerate
Belayclothianidin
Captan 50WPcaptan
Closer SCsulfoxaflor
Danitol 2.4ECfenpropathrin
Diazinon 50Wdiazinon
Diazinon AG500diazinon
Envidor 2SCspirodiclofen
Exirel Insect Controlcyantraniliprole
Imidan 70Wphosmet
Malathion ULVmalathion
Movento 2Lspirotetramat
Proclaimemamectin benzoate
Rimon 0.83ECnovaluron
Rovral 4Fiprodione
Sevin XLR Pluscarbaryl
Ultorspirotetramat
Warrior IIlambda-cyhalothrin
Ziram 76DF Fungicideziram
Ziram Granuflo 76WDGziram
Category II

Late evening application only

6 pm – midnight
Agri-Mek SCabamectin
Assail 70WPacetamiprid
Carzol 92SPformetanate hydrochloride
Confirm 2Ftebufenozide
TriStar 8.5 SLacetamiprid
Vydate 2Loxamyl
Category III

Evening or morning application

6 pm – 7 am
Acramite 50WSbifenazate
Avaunt Insecticideindoxacarb
Aza-Directazadirachtin
Delegate WGspinetoram
Entrustspinosad
Entrust SCspinosad
GF-120 NF Naturalytespinosad
Lannate LV 2.4Lmethomyl
Lannate SPmethomyl
Neemix 4.5%Lazadirachtin
Nexter SCpyridaben
Omni Supreme Spraypetroleum oil (dormant)
PyGanic 1.4ECpyrethrins
PyGanic 5ECpyrethrins
Successspinosad
TriTekpetroleum oil (summer)
Category IV

May be applied at any time

Safe during bloom · No timing restrictions
Actigard 50WGacibenzolar-s-methyl
Altacor eVochlorantraniliprole
Ammonium thiosulfate12%N, 25%S liquid
Apollo 4SCclofentezine
Beleaf 50 SGflonicamid
Cabriopyraclostrobin
Centaur WDGbuprofezin
Cuevacopper octanoate
Cyd-X HPCM granulosis virus strain M
Dimilin 2Ldiflubenzuron
DiPel DFBacillus thuringiensis subsp. kurstaki
Double Nickel LCBacillus amyloliquefaciens strain D747
Esteem 35WPpyriproxyfen
Fontelispenthiopyrad
FujiMite SCfenpyroximate
Intrepid 2Fmethoxyfenozide
K-Salt Fruit Fix 800NAA
Kanemite 15 SCacequinocyl
Kasumin 2Lkasugamycin
Luna Privilegefluopyram
Luna Sensationfluopyram + trifloxystrobin
M-Pedepotassium salts of fatty acids
Micronized Wettable Sulfur WDGmicronized sulfur 80%
Nealtacyflumetofen
NovaSource Lime Sulfurcalcium polysulfide (blossom thinner)
Omite 30WSpropargite
Onager / Savey 50DFhexythiazox
OSO 5% SC / Ph-Dpolyoxin D zinc salt
Previstocopper hydroxide
Pristine Fungicidepyraclostrobin + boscalid
Rally 40WSPmyclobutanil
Rex Lime Sulfurcalcium polysulfide
Serenade Max / OptiBacillus subtilis strain QST 713
Surround WPkaolin clay
Vivandometrafenone
Zeal Miticide 72WSPetoxazole

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The OSU app — 150 products, all of the West.

The Oregon State University app covers California, Idaho, Oregon, and Washington. Searchable by trade name or active ingredient, with the same color-coded system. Free on iOS.

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Sources WSU 2026 Crop Protection Guide for Tree Fruits in Washington OSU Extension PNW-591 — How to Reduce Bee Poisoning from Pesticides FieldWatch BeeCheck