Answer: It sounds like the shade is too much for the grass variety you're seeding on the area, and with the competition from trees for nutrients and moisture, the grass doesn't stand a chance. If the soil in that area is compacted or shallow, areate the soil and add rich topsoil and/or compost before reseeding with a shade-tolerant variety of fine fescue. Also consider installing some shade-tolerant perennials to the area for interest - and ease! I hope this helps!
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