25 Pa. Code § 90.152
(a) Disturbed areas shall be seeded and planted when weather and planting conditions permit, but the seeding and planting of disturbed areas shall be conducted no later than the first normal period for favorable planting after grading. The normal periods for favorable planting are:
The provisions of this § 90.152 adopted December 19, 1980, 10 Pa.B. 4789, effective July 31, 1982, 12 Pa.B. 2382; amended July 30, 1982, 12 Pa.B. 2473, effective July 31, 1982, 12 Pa.B. 2382.
This section cited in 25 Pa. Code § 90.33 (relating to reclamation plan); 25 Pa. Code § 90.100 (relating to nutrients and soil amendments); 25 Pa. Code § 90.105 (relating to stream channel diversions); 25 Pa. Code § 90.108 (relating to hydrologic balance: sedimentation ponds); 25 Pa. Code § 90.125 (relating to coal refuse disposal: construction requirements); and 25 Pa. Code § 90.150 (relating to protection of fish, wildlife and related environmental values).