Greenhouse, Florist, and Nursery Tests

Baskets of hanging flowers in a greenhouse.

​​​​​Tests for Greenhouses, Florists, and Nurseries

Soil/Media

Standard Test: $25/sample (Spurway or Saturated Media Extract)

  • pH
  • soluble salts (electrical conductivity)
  • nitrate, ammonia
  • phosphorus, potassium, calcium, magnesium
  • sodium, iron, manganese, zinc, copper
  • molybdenum, boron

Optional Test: $10/sample

  • pH and soluble salts ONLY

 

Water (used for irrigation, NOT drinking water)

If fertilizer has been added there may be an extra charge to cover the additional work required. You may wish to contact the Laboratory before sending in such a sample. 

Standard Test: $30/sample

  • pH
  • alkalinity
  • soluble salts (electrical conductivity)
  • nitrate, ammonia
  • phosphorus, potassium, calcium, magnesium
  • sodium, iron, manganese, zinc, copper
  • molybdenum, boron

Optional Test: $10/sample

  • pH and alkalinity ONLY

 

Plant Samples for Greenhouses and Nurseries

Plant analysis (nutrients) is available for commercial customers.

 

Florist/Greenhouse Testing Service Form (PDF)

Diagnostic Plant Analysis Request Form (PDF)

Instructions for sample collection