Greenhouse, Florist, and Nursery Tests

Baskets of hanging flowers in a greenhouse.

Tests for Greenhouses, Florists, and Nurseries

Testing is conducted weekly on Wednesday and Thursday. Samples received by noon on Wednesday will be analyzed with reports issued by the close of business on Thursday. Samples arriving after the cut-off will be placed in cold storage and tested the following week. Please contact the lab for more information or holiday schedule adjustments.

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 (Irrigation water, NOT drinking water)

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 tissue analysis is available for commercial customers. Please contact the lab for more information.

 

Samples are held for about six weeks after reports are issued. After that, samples are discarded.