Cottage Garden Plant List for Zone 4‑5 Iowa: Season‑Long Color, Fragrance, Low Fuss

Designing a Loose, Random, Fragrant Cottage Garden

Southern Iowa gardener (Zone 4‑5) has peonies, iris, phlox. Wants to add plants for full season of blue/pink/purple with red/yellow accents, full to part sun, some shade under oak. Loves scent, okay with weeding/watering.

Spring Bloomers

• Columbine (many colors)
• Small asters
• Delphinium (blue)
• Silver Mound (texture)
• Iris
• Bellflower (white/purple)
• Anemones

Summer Bloomers

• Roses (hybrid & miniature – not too fussy)
• Tall phlox
• Poppies
• Pincushion flower
• Clustered bellflower
• Gladiolus (annual but often return)
• Coreopsis
• Hardy geranium (mounding purple)
• Asters (cut back until July 4)
• Sedum (tall and groundcover types)
• Carnations
• Oriental lilies (Stargazer – fragrant)
• Campanula

Resources

Spring Hill Nursery for seasonal/color search: springhillnursery.com.

Weed Prevention

Apply Preen in spring (no weeds present) and mid‑June for weed‑free beds.

Philosophy

Plant, then edit for 2‑3 years until it feels right. Enjoy the process.