Plant Volcano® Lilac Splash Garden Phlox in well-drained soil with full sun exposure. Space plants 18-24 inches apart. Water regularly, keeping soil consistently moist but not waterlogged. Fertilize with a balanced, slow-release fertilizer in early spring. Deadhead spent blooms to encourage continuous flowering. Prune back in late fall or early spring to promote healthy growth. Protect from extreme heat and ensure good air circulation to prevent mildew.