Sunmark Seeds International, Inc. was founded in 1989 and quickly became one of the leading suppliers of hard to find native grass, wildflower and woody plant seeds. We also carry a full line of premium turfgrass seed, erosion control seed and we can custom blend any type of seed for your individual project. We work with many companies to combine the best principles of production agriculture with the science of ecology to produce high quality native seed and plants.

Bridge and Highway Realignment Project

Erosion Control and Environmental Impacts are significant concerns with an earthmoving project of this magnitude. Challenging site logi...


Streambank Restoration Project

Flashy storm events have caused repeated flooding of this urban creek leading to erosion of the streambank, settling of storm sewers and increased sedimentation buildup in Lake Washington.


Streambank Stabilization Project

Gerber Legendary Blades in Portland, Oregon had some major streambank erosion problems. Sunmark Environmental was chosen to install the Envirolok Vegetated Retaining Wall system.


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Sunmark Seeds New Website!


Sunmark Seeds gets a new website with improved functionality.


Sunmark Seeds Moves!


Sunmark Seeds has acquired a new place of business with a much improved warehouse.