Our Facilities. Etera® is committed to green roof initiatives and the companies who support them.

As proof of our commitment we have over 40 acres dedicated to sedum varieties alone. No other company comes close, or has even tried to dedicate product, establish national shipping methods and provide reliable customer support to the green roof industry at the level Etera® delivers.


  • Over 1,000,000 sq. feet of greenhouse production
  • 90 Acres of perennial stock production
  • 40 Acres of Sedum stock for Bulk Cutting needs
  • Facilities are located in two climatic locations for maximum diversity of product offerings

Mt. Vernon

Mt Vernon Facility

  • 24 acres of Greenhouse production including 12 acres of new ground to ground temperature controlled greenhouses
  • 2.5 Acre, 30 station loading area covered by high-roof gutter connect greenhouse for additional temperature controlled production and loading


Mabton Facility

  • 13 Acre Greenhouse, 7 acres of high-tech propagation and 6 acres of controlled greenhouse for cool temperature vernalization of critical varieties
  • 40 acres of Sedum stock for 8 month bulk availability



Etera® is a registered trademark of Northwest Horticulture LLC