Delivering products that perform for your business.
That’s our goal!

Pro-Pell-It Organics


Growers needing organic solutions can rely on Marion Ag for quality, certified (WSDA, OMRI and CDFA) products from our Pro-Pell-It line. We offer organic meals, sulfates, poultry litter and amendments. Many of these products can be custom blended to meet your growing goals.

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Site Pro Fertilizers

Turf Fertilizers

SitePro fertilizers are precision formulated utilizing 4R Nutrient Stewardship. SitePro makes getting the right nutritional source applied at the right rate, time and place easy as 1,2,3,4!

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Harrell's Horticultural


POLYON by Harrell’s has been the trusted name in controlled-release fertilizers for over 20 years. POLYON’s special polymer coating controls the rate of fertilizer being released over a particular timeframe. By calculating the needs of your plants, our Horticultural Specialists can select the proper POLYON product for any application.

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St Paul Brand Growers


St. Paul Brand has been providing growers throughout the Pacific Northwest with fundamental nutritional products for over twenty years. Our business is rooted in the idea that growers in our community should have easy access to commonly used agronomic staples, like 16-16-16 and Premix 2000.

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Tessenderlo Kerley Crop Vitality Liquid Nutritionals

Liquid Nutritionals

Tesserlendo Kerley’s Crop Vitality liquid fertilizers are adaptive across all growing scenarios.

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