30 days before fertilization
Apply a foliar spray 30 days before fertilization at a rate of 3 pints/
Crop Info
Also known as filberts or cob nuts, hazelnuts are native in the northern temperate zones. Kelpak trials were conducted by Oregon State University from 2023 to 2025, showing significant results including:

Kelpak 3 x 3 pts/Ac
0 lb/acre - 3,420 lb/acre
| Category | Control | Kelpak |
|---|---|---|
| 2023 | 2880 lb/acre | 3420 lb/acre+19% |
Kelpak 3 x 3 pts/Ac
0 lb/acre - 3,770 lb/acre
| Category | Control | Kelpak |
|---|---|---|
| 2024 | 3310 lb/acre | 3770 lb/acre+14% |
Apply a foliar spray 30 days before fertilization at a rate of 3 pints/
Foliar spray 15 days later before fertilization at a rate of 3 pints/
Apply third foliar spray at fertilization at a rate of 3 pints/
Liquid Fertilizer
Kelpak liquid seaweed concentrate is also approved in the USA by the WSDA Organic Material Registration Program for use as an input in organic farming. In it's review, the WSDA Organic Material Registration Program uses the standards set by the USDA based on recommendations by the NOSB (National Organic Standards Board).
