Plant Sum and Substance Hosta in partial to full shade. Ensure well-draining, rich soil. Space plants 3-4 feet apart. Water regularly to keep soil consistently moist but not waterlogged. Fertilize in spring with a balanced, slow-release fertilizer. Remove spent leaves and flowers to encourage growth. Protect from slugs and snails. Divide clumps every 3-5 years in early spring or fall to maintain vigor.