Plant Heaven Scent Jacob's Ladder in well-drained, fertile soil with partial to full shade. Space plants about 12-18 inches apart. Water regularly to keep the soil consistently moist but not waterlogged. Fertilize in early spring with a balanced, slow-release fertilizer. Deadhead spent flowers to encourage more blooms. Divide clumps every 3-4 years in early spring or fall to maintain vigor. Protect from harsh afternoon sun to prevent leaf scorch.