Transitional zone workhorse (zones 4–8). More heat and drought tolerant than Kentucky Bluegrass; stays green longer into summer. Dormancy: may go semi-dormant in extreme heat (>35°C) or drought. Recovery: good — deeper root system than bluegrass. Overseeding window: fall (soil 50–65°F) or early spring. Mow at 3–4 in; taller in heat. Clump-forming (not rhizomatous) — must overseed bare patches. Brown patch is the primary disease threat in hot, humid summers: avoid evening watering, excess nitrogen in summer. Fertilize: fall-heavy program; avoid heavy nitrogen in summer heat.

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