Many sweetshrubs (Calycanthus) have little scent. The yellow-flowered 'Athens' is reliably fragrant. Enjoy the flowers regardless.

Choosing Between 'John F. Kennedy' and 'Moondance' White Roses for a Small Garden
Fading Rose Fragrance: University of Minnesota Research on Scent Variables
Why Stargazer Lilies Lose Their Fragrance: Plant Health and Environmental Factors
Of Floods and Fragrance: How Extreme Moisture Amplifies Garden Scents
Eastern Sweetshrub (Calycanthus floridus var. glaucus): Fragrant Native Shrub
Growing Calycanthus (Sweetshrub): Fragrant Native Shrub for Spring Blooms
Most Fragrant, Disease-Resistant Roses for Portland, Oregon
Best Fragrance-Free Flowering Houseplants for Sunny Windowsills
Designing a Fragrant Zone 7 Garden: Plants That Perfume the Air for Passersby
Peter Mayle Rose: Deep Pink Hybrid Tea with Old-Rose Fragrance
Royal Amethyst Rose: Lavender Hybrid Tea from Angel Face x Blue Moon
Sheila's Perfume Rose: Yellow with Pink Edging, Strong Rose and Fruit Fragrance
Daphne 'Eternal Fragrance': Long‑Blooming Blush Pink Blossoms on Compact Shrub
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