Master Gardeners staff the Garden Hotline in Columbia County on Mondays, 9 a.m. to 1 p.m. Stop in with your questions at 702 Sawmill Road, Bloomsburg, or call 570-316-6519. Master Gardeners staff the Garden Hotline in Montour County on Mondays, 10 a.m. to 2 p.m., at 435 Front St., Danville, or call 570-284-4965. Master Gardeners can also respond to your gardening questions by