Agricultural Research Center

Plant Growth Facilities

Supplies

The PGF maintains a defined inventory of growing media, fertilizer and growing supplies which are available to users requesting these goods.

The general potting mix we supply is SunShine Mix #1. Other Sunshine Mix products can be made available if requested. Also, peat pellets, bulk sand, vermiculite and perlite are available.

We also carry labels, stakes and a variety of pots. See list below.

The PGF supplies are not limited to the listed items. Please contact the PGF Manager for discussion of the possible addition of an item to the list. Also, the PGF has numerous miscellaneous items, please ask.

Potting Media

  • Potting Mix
  • Bulk Sand
  • Amendments
    • Perlite
    • Vermiculite
    • Peat Pellets

Growing Supplies

  • Pots
    • Pot washing for PGF defined pots
  • Stakes
    • Bamboo, 2',3' and 4'
  • Labels
    • White, 5/8" wide, 5" long
  • Fertilizer
    • Liquid (20-20-20)
    • Osmocote (14-14-14) where liquid feed is not available

Potting Container Supplies

Pot Container Size Volume McConkey #
Square      
  3 1/2" tech sq. 3 1/2" X 3 1/4" 500 ml JMCTS35-1
  4 1/8" square 4 1/8" X 4" 800 ml JMCS4125
  Square One 5 1/2" X 6" 2.6L JMCS55-1
Round (green)      
  R650 Azalea 6 1/2" X 5" 2.0L JMCR650UG
  R8A Azalea 8" X 6 1/2" 3.6L JMCR8A
  R1000 10 X 7 1/2" 7.1L JMCR1000
Standard Round Nursery Container (black)      
  #1 6" X 7" 3.0L NSW1PB-60
  #2 8 1/2" X 8 1/2" 6.6L NSW2
  #3 10" X 9 1/4"   NSW3
  #5 Tub 12" X 9" 15.6L JMCN129
  #7 Tub 14" X 10" 23L JMCN1410
1020 Trays and Insert      
  11 X 21 Utility Flat holes   EJPFO
  11 X 21 Utility Flat no-holes   EJPFONH
  36 X 1 36 cells   EJPA3601
  8 X 6 48 cells   EJPA806
D40 Deepot Cells Cell Tray Stuewe & Sons
  D40 cells and trays 2 1/2" X 10" 24" X 12"  
Plant Growth Facilities, P.O. Box 646003, Washington State University, Pullman WA 99164-6003, 509-335-5824, Fax: 509-335-5410, Contact Us