Communities in Bloom seminars will be held by the Master Gardener program of Cornell Cooperative Extension of Erie County on Saturday, Feb. 18 and repeated on Feb. 25. The topics for each daylong seminar are: Soil, Soil pH and Composting Winter Sowing & Seed Starting Pruning For each topic, there will be a talk and a hands-on component. The same three topics will be presented on Feb. 18 and again on Feb. 25. Registration is at 8:30 a.m. and classes…