Moss and algae also thrive under these conditions. Selective pruning to increase air flow should decrease pressure from these pests. Using pesticides to control moss, algae, or turfgrass diseases in shade is recommended only on high-value turf areas. Overseeding Overseeding to improve density of the turf stand is important in shady areas. Be sure to irrigate regularly to encourage germination, maintain adequate fertility, and keep falling tree leaves off newly seeded turf to maximize sunlight to the young plants.
Some turf managers prefer to seed in early spring when no tree leaves are present.
Spring-seeded turf needs extra irrigation well into the summer to help it survive the summer stresses. Though all turfgrasses perform better in full sun than in shade, some grass species perform adequately in shade. Some cultivars of Kentucky bluegrass and perennial ryegrass will also grow adequately in the shade. Cool season turfgrass species and cultivars exhibiting shade tolerance. Olympic Nugget Palmer Rebel Touchdown Regal Rebel II Victa .