Perennials

Platycodon grandiflorus 'Sentimental Blue'

Sentimental Blue balloon flower

Platycodon grandiflorus 'Sentimental Blue' Photo courtesy of Walters Gardens, Inc.

Puffy buds open into blue, starry bells above a low mound. A compact choice for edging, rock gardens and containers. Remove faded flowers to prolong bloom. Avoid unnecessary division or transplanting; the fleshy roots are fragile.

At a glance

Sun: Full sun to part shade
Mature size: 6–8 in. tall × 12 in. wide
Water: Low to moderate; well drained
Hardiness: USDA zones 3–8
Bloom: Blue; midsummer.

Sizes & prices

#1$14.99

Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.

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Resistance & tolerances

Deer: Resistant, not browse-proof.
Drought: Low water needs once established.
Wet soil: Avoid excessive moisture, especially in winter.

Resistance is not a guarantee; deer and rabbits may browse any plant.

Pollinators & wildlife

Attracts: Bees

Growing & care

Spring: Emerges late; mark its spot before spring gardening.
Cleanup: Cut old stems back after the first hard frost.
Soil: Adaptable provided drainage is good.

Sources & photo credits

Walters Gardens

NC State Extension

Photo: Photo courtesy of Walters Gardens, Inc. · Authorized promotional use

Reviewed September 19, 2026. Growing conditions vary by location.