Originally Posted by greenstar lawn
So that's why kbg doesn't green up until after spring? I have some lawns that I cut and it won't be until later May that it will green up.
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Depends on the Cultivar of KB. Some will green up sooner than others, and the KB has an Intermediate (Deeper) rooting habit and the soil is colder, as you go deeper.
Just when your other cool season grasses are beginning greenup, you could apply some Potassium Nitrate or Calcium Nitrate on KB, and that will speed up the greening process a week or two.
If you have ever seen the effect of a bad septic leach field with KB growing over it come early spring, you will see a result of Nitrate N.