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ered the most shade tolerant of the cool-season grasses. Creeping red fescue, sheep fescue, and hard fescue all have shown promise in heavily shaded areas. Some varieties of Kentucky bluegrass and fine-bladed, tall fescue have performed well in moderate shade.
Shade tolerant warm-season grasses include centipedegrass, Sr. Augustine grass, and Zoysiagrass.
Fall Is Best Time To
Plant New Seeds
Sow seed in shaded areas in the fall. Fall seeding generally are more successful than spring seedings because they go into the first summer more mature with a better root system and more stored food reserves. Frequent, fall leaf raking is essential to establishment of grasses in shaded areas. Leaves left on the lawn shade the young seedlings and slow their development.
Turfgrass growing in shade generally requires less total nitrogen than grass in full sunlight because of the reduced rates of photosynthetic activity. Overapplication of nitrogen on shaded grasses reduces stored food reserves and produces thin cell walls which can cause disease on the turfgrass plant.
Late fall fertilization of cool-season grasses is extremely beneficial in shaded environments. This is the only time of the year when the grass plants under the trees can efficiently utilize the applied nitrogen without competition from the tree for moisture, nutrients, and light. Soluble sources of nitrogen applied November through mid-December, after lead drop, are extremely beneficial.
Maintaining a pH near 6.2 is important for tall fescue and Kentucky bluegrass. Research evidence suggests that the fine fescues do better at a pH of 5.5.
Raise the mowing height. Increased mowing height inducts larger root systems and healthier plants.
Irrigate infrequently, but heavily. An irrigation program that minimizes the amount of time shaded areas are moist is beneficial in reducing disease. Infrequent watering also tends
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