Osmo's Cedar Planter Stain Kits | 3 ColorsCedar Planter Stain Coloring Kits Osmo One Coat Only HS Plus is a semi transparent, satin exterior wood finish that colors, protects and meets the full needs of exterior wood planters with only a single coat. The colored finish enhances the natural wood grain and texture and is also microporous which leaves a breathable surface. Planter stain does not crack, peel, flake or blister, and is very durable, water repellent, moisture regulating, and is