The Hosta Fertilization Mistake That Increases The Chance Of Winter Damage Amazon.com: Focefec 6 Gallon Air Pruning Containers, 6 Pack Plastic Plant Pot, Air Pots for Plants for Vegetable Fruit, Gardening, Self Planting Pots, Planters Pots with Handle & Base, Size 11.8'' x 12.5'' : Create a moss covered pot for spring blooms How to Grow Mustard Fine Gardening Get your hostas off to a great start by fertilizing as soon as they start to emerge. If rain is forecasted, use a slow release fertilizer like 10 10 10 the day before. It is Snake Plant 'Laurentii Dwarf'