Avg Sowing Rate

20 g/m²

Mowing Height

15 - 35 mm

Poa pratensis Thermal Blue

Thermal Blue

  • Advantages
  • Growth habits and characteristics
  • Directions for Use
  • Seed Varieties
  • Perfect for sports fields and recreational turf
  • Compatible with Tall fescue and Perennial ryegrass
  • Medium textured leaves, slow growing, good in shade
  • Aggressive rhizomes, good spreading habits
  • Well uniformed, dense, medium green turf
  • Great repair from drought / machine damage
  • Disease resistant (see pdf for listing)
Growth habits and characteristics

Growth Habit and Characteristics

  • Compact, spreading growth habit with medium leaf texture
  • The spreading nature of Thermal Blue will allow turf stands to repair from drought and mechanical injury
  • Very uniform, dense turf with medium green color
  • Performs well in a wide range of well-drained soils, pH range of
    5 - 7.5

Performance Characteristics/Adaptations

  • In a low management schedule Thermal Blue performs well
  • Good resistance for summer patch disease, brown patch, stem rust,
  • Crown rust, powdery mildew and snow mold
  • In mix with Tall fescue, Thermal blue find his better expression, giving higher uniformity to the turf increase recovery potential even in hot condition, and increase the shade adaptability.


Thermal Blue is a medium textured leaf grass that is slow growing. It has aggressive rhizomes and a compact yet spreading growth habit. It delivers a highly uniformed, dense, medium green turf that even performs well in shade.

Thermal Blue has a natural spreading effect which makes for great repair from drought or machine damage. It also shows good resistance to various diseases like brown patch, stem rust and many more.

Directions for Use

Establishment and maintenance
For best turf results, seed in early fall or spring at 10 – 15 gr/m2. Make sure to keep seedbed moist throughout germination and establishment.

Germination will begin within 14 – 21 days during optimal temperatures (12° - 26°C). Full coverage will take approximately 8 – 10 weeks. Before cutting for the first time, make sure the turf has reached at least 5cm.

Established maintenance
Best results occur when fertilized at an annual rate of 15 – 20 gr/m2 of Nitrogen. Irregular irrigation patterns are recommended. In absence of rain, make sure to irrigate lightly and frequently. ICL recommends a cutting height of 12 – 50mm.

Seed Varieties
  • 100% Hybrid Kentucky Bluegrass
    Thermal Blue

Thermal Blue is a hybrid Kentucky Bluegrass and ideal for: sports fields, recreational turf or for combining with Tall fescue / Perennial ryegrass. It is part of ICL Cold, Drought, and Shade tolerance programs as well as the Visual Merit program.


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