Non-Invasive Perennials That Spread on Their Own 1. Coneflowers Echinacea Self-seeds moderately but not aggressive Easy to manage by removing seedlings 2. Black-Eyed Susan Rudbeckia Spreads by reseeding, but seedlings are easy to pull Not invasive 3. Daylilies Hemerocallis Clump-forming, expands gradually Easy to divide and control 4. Coreopsis Spreads gently by seed and clumping Not known as invasive 5. Sedum Stonecrop Spreads slowly and predictably Perfect for filling gaps without taking over 6. Perennial Geraniums Cranesbill types Spread in clumps but dont smother other plants 7. Lambs Ear Stachys byzantina Can cover ground, but is shallow-rooted and easy to pull back 8. Catmint Nepeta Grows outward but is easily trimmed and not invasive 9. Yarrow Achillea Note: spreads by rhizomes, so give space Not officially invasive but can be vigorousbest for large beds or contained areas Plants to Use Caution or Avoid Invasive Tendencies: Bee Balm Monarda spreads aggressively by rhizomes Creeping Jenny Lysimachia very fast spreader Ajuga can overtake beds Some Hostas multiply rapidly but are usually easy to control Lungwort can self-seed heavily in damp shade Tip: Even non-invasive spreaders can crowd neighbors over several seasons, so regular dividing and thinning keeps them tidy.