Botanical Name: Leucanthemum × superbum ‘Amazing Daisies® Marshmallow’

Common Name: Shasta Daisy

Hardiness Zone: Perennial in Most Climates (USDA Zones 4–9)

Size: 18–24" Tall × 18–24" Spread

Growth Habit: Upright, Clump-Forming, Well-Branched Habit

Sunlight: Full Sun (Best Flowering)

Soil: Well-Drained Soil; Adapts to Average Garden Conditions

Water Needs: Moderate; Drought Tolerant Once Established

Bloom Season: Late Spring through Summer (Excellent Rebloom)

Fertilizer: Light Feeding in Spring

Features: Fully Double, Soft White “Marshmallow” Blooms, Strong Stems, Long Bloom Season, Excellent Cut Flower

Uses: Perennial Borders, Cottage Gardens, Cut Flower Gardens, Pollinator Gardens, Mass Plantings

Patent: ✔ Patented

Propagation: ❌ Propagation Prohibited Without License

See our complete Leucanthemum Plant Guide for full care details.

More About Leucanthemum ‘Amazing Daisies® Marshmallow’

Leucanthemum ‘Amazing Daisies® Marshmallow’ is one of those plants that immediately catches the eye when it begins to bloom. The flowers are fully double and fluffy, forming soft white pom-pom shaped blooms that really do resemble little marshmallows sitting on top of sturdy stems. Compared to traditional Shasta Daisies, the blooms are noticeably larger and fuller, which gives the plant a lush and almost cloudlike appearance in the garden. I have always loved daisies for their cheerful simplicity, and this variety keeps that classic charm while adding a more elegant and refined flower form. When planted in groups, the plants create a beautiful blanket of white that brightens the garden during the warmer months. 

Another feature that makes ‘Amazing Daisies® Marshmallow’ stand out is the way it was bred for improved garden performance. Older double daisies often had a tendency to flop once the flowers became heavy, but this variety has much stronger stems that hold the blooms upright. That strength keeps the flowers visible and clean even after a summer rainstorm. The flowering period is also longer than many traditional Shasta Daisy varieties, which means you can enjoy those fluffy white blooms well into Summer. As the plant matures, it forms a tidy clump of deep green foliage that looks attractive even when it is not in bloom. I appreciate plants that maintain good structure in the landscape, and this one does exactly that. It feels like a modern improvement on a garden classic.

Why We Like It (Our Trials)

In our trials here at the garden center, ‘Amazing Daisies® Marshmallow’ has consistently impressed me with its strength and reliability. One of the first things I noticed was how well the stems held the flowers upright, even after wind or heavy rain. Many daisies can begin to lean or collapse as the blooms mature, but this variety keeps its shape beautifully. With a little simple deadheading, the plants continue to push out fresh flowers throughout Summer. The reblooming habit helps keep the display looking fresh for weeks rather than just a short burst of color. I also appreciate how the plant maintains a compact clump without spreading aggressively. That tidy habit makes it easy to fit into many different garden designs.

Another reason we like growing this variety is how versatile it is in the landscape. It works wonderfully as a focal point in perennial borders where those bright white flowers immediately draw attention. At the same time, it blends effortlessly into cottage style gardens alongside plants like Salvia, Gaura, and Nepeta. I have also found that it performs extremely well as a cut flower, producing strong stems that hold up beautifully in bouquets. When we bring stems indoors, the flowers tend to last a long time in a vase, which is always a bonus. Customers often comment on how cheerful the blooms look both in the garden and inside the home. It is one of those dependable perennials that gives you beauty, structure, and long lasting flowers all in one plant.

Amazing Daisies® Marshmallow vs. Other Shasta Daisies

Amazing Daisies® Marshmallow stands apart from other Shasta Daisies with its extra-large, soft white blooms and refined, high-end appearance. Compared to Leucanthemum Flower Power and REALFLOR® Real Sunbeam, Marshmallow leans more ornamental and less bold, prioritizing elegance over color saturation or sheer flower volume. In the garden, it tends to look more intentional and designed, which makes it especially appealing for structured perennial beds and formal cottage style plantings.

It offers fuller blooms than both Sweet Daisy® Izabel and Sweet Daisy® Jane making it an excellent choice when you want a premium, statement daisy rather than a classic meadow look. Marshmallow keeps flowers upright and clean, giving it a more polished presence than many traditional Shasta daisies. The combination of strong stems and refined flowers gives the plant a noticeably higher-end look compared to many traditional Shasta Daisy selections.