Healthier Turf and Improved Efficiency

See healthier results, faster.

Douglas Plant Health agronomic expertise and biological products help improve plant development and plant health at every stage. Our solutions provide turf managers, golf course superintendents, and ornamental and nursery operations the tools needed to be more efficient and more profitable.

Turf & Ornamental Solutions

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pH Reducer

Lower pH the natural way. pH Reducer is a proven food-grade citric acid to neutralize or acidify soils and improve micronutrient uptake in bedding plants, perennials, cut flowers, plugs, woody ornamentals, nursery crops, trees, foliage plants and container-grown plants.

  • No mixing or agitation and will not settle out of solution

  • Ideal for any type of fertigation systems for application ease

  • Compatible with other technical chemicals, including fungicides and insecticides

Application Crops:
All types of ornamentals, trees, shrubs and flowering plants, including but not limited to: annuals, perennials, cut flowers, foliage plants, woody ornamentals, deciduous trees and shrubs, evergreen trees and shrubs, tropicals, palms, container-grown plants, ornamental grasses, containerized and field-grown crops; all row and field crops, commodity crops, and specialty fruits and vegetables

ph Reducer Spec Sheet

ph Reducer SDS

Essential® Plus 1-0-1

Boost the impact and efficacy of your biofertilizer. Essential® Plus 1-0-1 extends microbial activity of your soil inoculant and enhances soil conditions for optimal root growth and plant performance.

  • Enhances beneficial microbe populations

  • Provides microbes with a necessary food source

  • Improves root growth

Application Crops:
Turf grass, lawn care, hydroseeding, golf courses, sports turf, trees, shrubs, and all types of ornamentals and flowering plants, including but not limited to: annuals, perennials, cut flowers, foliage plants, woody ornamentals, deciduous trees and shrubs, evergreen trees and shrubs, tropicals, palms, container-grown plants, ornamental grasses, and containerized and field-grown crops

Essential Plus Spec Sheet

Essential Plus SDS

Companion® Maxx 2-0-1

Improve plant health and performance. Companion® Maxx 2-0-1 is a trusted soil inoculant and biofertilizer for all turf and ornamental applications. From propagation to transplanting to plant maintenance, it helps improve nutrient uptake and overall health of your turf grass, trees and ornamentals.

  • Liquid formulation with Bacillus subtilis
  • Enhances nutrient uptake

Application Crops:
Turf grass, lawn care, hydroseeding, golf courses, sports turf, trees, shrubs, and all types of ornamentals and flowering plants, including but not limited to: annuals, perennials, cut flowers, foliage plants, woody ornamentals, deciduous trees and shrubs, evergreen trees and shrubs, tropicals, palms, container-grown plants, ornamental grasses, and containerized and field-grown crops

For Non-Food Use

Companion Maxx Spec Sheet

Companion Maxx SDS

Micrel Total 5-0-0

5% urea nitrogen, 0.5% water soluble magnesium (Mg), 4% sulfur (S) combined, 0.02% boron (B), 0.5% chelated copper (Cu), 6% chelated iron (Fe), 0.5% chelated manganese (Mn) and 0.5% chelated zinc (Zn)

Remedy chlorosis and rapidly improve deeper greening of leaves. Micrel Total 5-0-0 is a proven solution for regular maintenance programs and features six micronutrients for trees, ornamentals and bedding plants, and turf ― including tees, greens, fairways, and commercial and residential lawns.

  • Can be applied throughout the growing season with no concern of phytotoxicity

  • Can be sprayed along with herbicide applications to reduce yellowing

  • Completely miscible in water and tank-mix compatibility with other technical materials

Application Crops:
Turf grass, lawn care, hydroseeding, golf courses, sports turf, trees, shrubs, and all types of ornamentals and flowering plants, including but not limited to: annuals, perennials, cut flowers, foliage plants, woody ornamentals, deciduous trees and shrubs, evergreen trees and shrubs, tropicals, palms, container-grown plants, ornamental grasses, and containerized and field-grown crops

Micrel Total Specification Sheet

Micrel Total SDS

BioNutrients™ 8-0-9

Improve soil quality and strengthen rooting. BioNutrients™ 8-0-9 features four species of beneficial bacteria plus humic acid and a wetting agent for professionals* managing fairways, sports turf, lawns, trees and ornamentals.

*For professional use only. For non-food use only.

Application Crops:
Turf grass, lawn care, hydroseeding, golf courses, sports turf, trees, shrubs, and all types of ornamentals and flowering plants, including but not limited to: annuals, perennials, cut flowers, foliage plants, woody ornamentals, deciduous trees and shrubs, evergreen trees and shrubs, tropicals, palms, container-grown plants, ornamental grasses, and containerized and field-grown crops

For Non-Food Use

BioNutrients Spec Sheet

BioNutrients SDS

BioNutrients™ Total-Pak 1-0-4

Restore beneficial soil bacteria and improve vigor in plants. BioNutrients™ Total-Pak (1-0-4) is a proprietary micronutrient solution and features the top-performing endo and ecto mycorrhizae; four beneficial rhizosphere bacteria; micronutrients; soil conditioners; and a wetting agent for trees, large ornamentals and other landscape materials.

  • Can be used in a broad range of soil temperatures and conditions, including northern climates and in soil pH of 7 and above
  • Ideal for soil injection, soil drench or spray to rapidly penetrate the soil profile
  • Organic supplements to boost rooting

Application Crops:
Turf grass, lawn care, hydroseeding, golf courses, sports turf, trees, shrubs, and all types of ornamentals and flowering plants, including but not limited to: annuals, perennials, cut flowers, foliage plants, woody ornamentals, deciduous trees and shrubs, evergreen trees and shrubs, tropicals, palms, container-grown plants, ornamental grasses, and containerized and field-grown crops

For Non-Food Use

BioNutrients Total-Pak Spec Sheet

BioNutrients Total-Pak SDS

Starter Plus Bloomtastic 8-32-5

Starter Plus Bloomtastic 8-32-5 is the ideal high phosphorous solution for newly seeded areas, new p…read more

  • Provides flexibility with foliar spray, hydroseeding and soil-drench application

  • Nonclogging and nonabrasive to equipment

  • Tank-mix compatible with fungicides, herbicides and insecticides

Application Crops:
Turf grass, lawn care, hydroseeding, golf courses, sports turf, trees, shrubs, al…read more

Starter Plus Bloomtastic Spec Sheet

Starter Plus Bloomtastic SDS

X-Xtra Iron

Maintain strong root systems and correct iron deficiencies in your soil. X-Xtra Iron is a 100% soluble iron and features a unique iron/nitrogen complex that converts the iron to a soluble form and stimulates fast green-up with no surge growth on your turf, trees and ornamentals.

  • Can be foliar or root applied
  • Contains the three most essential nutrients for photosynthesis: iron, nitrogen and sulfur
  • Is amine compatible and can be tank-mixed with herbicides and insecticides as well as other nutrients from Douglas Plant Health

Application Crops:
Turf grass, lawn care, hydroseeding, golf courses, sports turf, trees, shrubs, and all types of ornamentals and flowering plants, including but not limited to: annuals, perennials, cut flowers, foliage plants, woody ornamentals, deciduous trees and shrubs, evergreen trees and shrubs, tropicals, palms, container-grown plants, ornamental grasses, and containerized and field-grown crops

X-Xtra Plus Sheet

X-Xtra Iron SDS

Cal Mag Max 7-0-3

With 4% calcium (Ca) and 2% magnesium (Mg)
Protect against the threat of interveinal chlorosis. Cal Mag Max 7-0-3 is an exceptional blend of essential nutrients and it mitigates calcium and magnesium deficiencies in the soil to improve the health of turf, trees and ornamentals.

Application Crops:
Turf grass; lawn care; hydroseeding; golf courses; sports turf; trees; shrubs; and all types of ornamentals and flowering plants, including but not limited to: annuals, perennials, cut flowers, foliage plants, woody ornamentals, deciduous trees and shrubs, evergreen trees and shrubs, tropicals, palms, container-grown plants, ornamental grasses, and containerized and field-grown crops
Cal Mag Max SDS

Cal Mag Max SDS

Micrel TE

Micrel TE is a uniquely formulated, nitrogen-free micronutrient package designed to support turf and ornamental development with out the use of nitrogen.

Micrel TE is designed for applications where no nitrogen is wanted or needed. Micrel TE is designed to complement your nitrogen input where desired. Micrel TE contains 6 complexed micronutrients and one macronutrient.

Application Crops:
Turf grass, lawn care, hydroseeding, golf courses, sports turf, trees, shrubs, and all types of ornamentals and flowering plants, including but not limited to: annuals, perennials, cut flowers, foliage plants, woody ornamentals, deciduous trees and shrubs, evergreen trees and shrubs, tropicals, palms, container-grown plants, ornamental grasses, and containerized and field-grown crops

Micrel TE Specification Sheet


Residuce WS T&O

Residuce® WS T&O is a diverse blend of naturally-occurring, nutrient-cycling microorganisms plus a food source. These organisms were specially chosen to help break down plant residue such as grass clippings, leaves, and thatch.

· Faster breakdown of grass clippings, leaves, and thatch

· Increases soil nutrient availability

Application Crops:
Turf grass, lawn care, hydroseeding, golf courses, sports turf, trees, shrubs, and all types of ornamentals and flowering plants, including but not limited to: annuals, perennials, cut flowers, foliage plants, woody ornamentals, deciduous trees and shrubs, evergreen trees and shrubs, tropicals, palms, container-grown plants, ornamental grasses, and containerized and field-grown crops

Residuce WS T&O Specification Sheet