Spiller Plants for Containers

A spiller plant is the trailing element in a container. It cascades over the edge of the pot and adds softness, movement, and a finished look to any planting. In the thriller-spiller-filler formula, spillers work alongside taller thrillers and mounding fillers to create a full, layered container design. Because they trail naturally, they soften hard pot edges. That gives your containers that lush, overflowing look that catches everyone's eye.

The number of spiller plants you need depends on your pot size. A 12-inch pot does well with one spiller, while a 14-inch pot benefits from two. For an 18-inch pot, use three plants to get full coverage around the edges. Larger containers of 20 inches or more look best with four to five plants. That level of coverage creates a truly lush, cascading effect.

Grey pot with tall purple grass, purple blooms, and white flowers cascading over the side in a garden setting
Supercal® Premium French Vanilla Petchoa displays pale yellow flowers with reddish-orange veins radiating from the centers, creating a vibrant and colorful pattern among green foliage - Photo Courtesy of Ball Horticulture, Inc.

Supercal® Premium French Vanilla Petchoa

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Close-up of Supercal® Premium Purple Dawn Petchoa, a petunia-calibrachoa hybrid, showcasing vibrant pink blooms with dark veins and green foliage - Photo Courtesy of Ball Horticulture, Inc.A close-up of Supercal® Premium Purple Dawn Petchoa, its vibrant blooms held gently between two fingers, with more sun-loving flowers and lush green leaves in the background - Photo Property of Garden Crossings LLC.

Supercal® Premium Purple Dawn Petchoa

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$10.99

A lush cluster of Supercal® Premium Rose Pink Petchoa blooms with green leaves, flowering closely together in a garden setting - Photo Courtesy of Ball Horticulture, Inc.

Supercal® Premium Rose Pink Petchoa

$10.99
$10.99
Close-up of vibrant Supercal® Premium Sunray Pink Petchoa blooms, featuring yellow and red centers, surrounded by lush green leaves with more flowers visible in the background - Photo Property of Garden Crossings LLC.Close-up of vibrant Supercal® Premium Sunray Pink Petchoa blooms with yellow and dark-centered veins, set among lush green leaves and hints of other colorful flowers in the - Photo Property of Garden Crossings LLC.background.

Supercal® Premium Sunray Pink Petchoa

$10.99
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A cluster of Supertunia Mini Vista® Midnight Petunia blooms features deep purple velvety petals with dark centers and green leaves in the background. The flowers are densely packed, creating a striking display - Photo Courtesy of Proven Winners, Inc.

Supertunia Mini Vista® Midnight Petunia

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A cluster of Supertunia® Mini Vista® Pink Star Petunia displays bi-color blooms with white petals edged in vibrant pink and dark pink centers, set against lush green foliage for a stunning, colorful effect - Photo Property of Garden Crossings LLC.A cluster of Supertunia® Mini Vista® Pink Star Petunia blooms shows vibrant bi-color flowers with dark centers, pink and white striped petals, and lush green leaves. Partially opened buds enhance the lively display - Photo Property of Garden Crossings LLC.

Supertunia Mini Vista® Pink Star Petunia

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A cluster of vibrant Supertunia Mini Vista® Ultramarine™ Petunia blooms with dark centers and delicate deep purple petals fills the frame - Photo Courtesy of Proven Winners, Inc.Three vibrant Supertunia Mini Vista® Ultramarine™ Petunias bloom among green leaves and a few white petunias, creating a colorful display - Photo Property of Garden Crossings LLC.

Supertunia Mini Vista® Ultramarine Petunia

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$10.99

Supertunia® Mini Vista® Violet Star Petunia displays clusters of blooms with white and purple petals, vivid purple centers and veins, plus lush green leaves - Photo Property of Garden Crossings LLC.Close-up of Supertunia® Mini Vista® Violet Star Petunia, featuring vivid white petals with purple star patterns set among lush green leaves and additional purple-patterned blooms in the background - Photo Property of Garden Crossings LLC.

Supertunia Mini Vista® Violet Star Petunia

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Top down view of a large planter showcases cascading Supertunia Mini Vista® Yellow Petunia beneath a mound of deep red and green coleus, set on a concrete path bordered by manicured grass and vibrant flower beds - Photo Property of Garden Crossings LLC. Decorative pot not included.A stone wall borders a lush garden with yellow, pink, and purple flowers. Supertunia Mini Vista® Yellow Petunia spills from hanging baskets, while greenhouses appear in the background under a clear blue sky - Photo Property of Garden Crossings LLC.

Supertunia Mini Vista® Yellow Petunia

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A close-up of a Supertunia® Giant Pink Petunia displays its vivid pink bloom with a pale center, framed by green leaves and touches of purple - Photo Property of Garden Crossings LLC.Close-up of vibrant Supertunia® Giant Pink Petunia blooms with delicate petals and pale centers, overlapping to fill the frame - Photo Courtesy of Proven Winners, Inc.

Supertunia® Giant Pink Petunia

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Supertunia® Hoopla™ Vivid Orchid™ Petunia features bright magenta, bi-color blooms with white edges and a dark center, funnel-shaped flowers, and lush green leaves - Photo Property of Garden Crossings LLC.A close-up of Supertunia® Hoopla™ Vivid Orchid™ Petunia, a striking bi-color petunia with white-edged petals, surrounded by green foliage and other purple blooms - Photo Property of Garden Crossings LLC.

Supertunia® Hoopla® Vivid Orchid™ Petunia

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A cluster of Supertunia® Latte™ Petunia blooms with creamy petals and rich purple veins, nestled among deep red petunias and green foliage, creating a colorful and vibrant ground cover in full bloom - Photo Property of Garden Crossings LLC.Close-up of Supertunia® Latte™ Petunia ground cover—white blooms with dark purple veins, surrounded by small orange and yellow flowers and lush green leaves - Photo Property of Garden Crossings LLC.

Supertunia® Latte™ Petunia

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$10.99

A cluster of Supertunia® Lovie Dovie™ Petunias in full bloom displays striking bicolor striped petals with dark centers, set against lush green foliage - Photo Property of Garden Crossings LLC.Close-up of Supertunia® Lovie Dovie™ Petunia, a vivid bicolor bloom with white petals and bold magenta streaks. Green leaves and nearby flowers, including a small magenta bloom with a yellow center, surround this trailing petunia - Photo Property of Garden Crossings LLC.

Supertunia® Lovie Dovie™ Petunia

$10.99
$10.99
A cluster of vibrant Supertunia® Picasso In Purple® Petunia flowers displays green-tipped petals with dark purple veins, closely packed together and filling the entire frame - Photo Courtesy of Proven Winners, Inc.A white ceramic pot displays Supertunia® Picasso In Purple® Petunia, a bi-color variety with purple petals, dark centers, and green-edged ruffled leaves, set against a plain white background - Photo Courtesy of Proven Winners, Inc. Decorative pot not included.

Supertunia® Picasso In Purple® Petunia

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Supertunia® Royal Velvet® Petunia produces vivid purple blooms that contrast beautifully with pale lavender flowers and green foliage - Photo Property of Garden Crossings LLC.Supertunia® Royal Velvet® Petunia bursts from a blue pot, its vibrant purple blooms glowing in sunlight amid lush green foliage - Photo Property of Garden Crossings LLC. Decorative pot not included.

Supertunia® Royal Velvet® Petunia

$10.99
$10.99

A cluster of Supertunia® Saffron Finch™ Petunia flowers features pale yellow petals with darker centers, surrounded by green leaves - Photo Property of Garden Crossings LLC.Three Supertunia® Saffron Finch™ Petunias with yellow blooms edged in white and dark veined petals show a mounding habit among green and purple leaves, all displayed in a textured blue and tan pot - Photo Property of Garden Crossings LLC. Decorative pot not included.

Supertunia® Saffron Finch™ Petunia

$10.99
$10.99

A close-up of overlapping Sweet Caroline Bewitched After Midnight™ Ipomoea leaves, highlighting their pointed, lobed shape and deep purple-black color - Photo Courtesy of Proven Winners, Inc.

Sweet Caroline Bewitched After Midnight™ Ipomoea

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Trailing among green foliage and small yellow blooms, the purple, pointed and lobed leaves of Sweet Caroline Raven™ Ornamental Sweet Potato Vine (Ipomoea) - Photo Property of Garden Crossings LLC.Close-up of rich, dark purple leaves on Sweet Caroline Raven™ Ornamental Sweet Potato Vine (Ipomoea), featuring star-shaped, textured foliage with pointed lobes that overlap to create a dense, striking trailing plant - Photo Courtesy of Proven Winners, Inc.

Sweet Caroline Raven™ Ornamental Sweet Potato Vine (Ipomoea)

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Sweet Caroline Red Hawk™ Ornamental Sweet Potato Vine (Ipomoea) features pointed, lobed leaves in purples and pinks, forming dense ground cover. Some leaves may show light green or brown hues and minor holes from slight damage - Photo Property of Garden Crossings LLC.Sweet Caroline Red Hawk™ Ornamental Sweet Potato Vine (Ipomoea) features overlapping dark red leaves, framed by green foliage in the upper left and small, bright pink flowers with yellow centers at the bottom right, all highlighted by sunlight - Photo Property of Garden Crossings LLC.

Sweet Caroline Red Hawk™ Ornamental Sweet Potato Vine (Ipomoea)

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Close-up of overlapping Sweet Caroline Sweetheart Shadowstorm™ Ornamental Sweet Potato Vine (Ipomoea) leaves, displaying dark purple and bright green heart-shaped foliage with irregular green patches and distinct veins - Photo Courtesy of Proven Winners, Inc.Sweet Caroline Sweetheart Shadowstorm™ Ornamental Sweet Potato Vine (Ipomoea) features dense, heart-shaped dark purple and green variegated leaves in a simple dark ceramic pot, beautifully displayed against a white background - Photo Courtesy of Proven Winners, Inc. Decorative pot not included.

Sweet Caroline Sweetheart Shadowstorm™ Ornamental Sweet Potato Vine (Ipomoea)

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$10.99

The Sweet Caroline Upside® Black Coffee™ Ornamental Sweet Potato Vine, with long, pointed dark purple leaves, grows by a white fence amid colorful flowers in a vibrant garden - Photo Property of Garden Crossings LLC.A bush of Sweet Caroline Upside® Black Coffee™ Ornamental Sweet Potato Vine (Ipomoea) with dark purple, slender leaves grows before a white picket fence, surrounded by green grass and yellow-green plants. Thin vine stems hint at its climbing nature - Photo Property of Garden Crossings LLC.

Sweet Caroline Upside™ Black Coffee Ornamental Sweet Potato Vine (Ipomoea)

$10.99
$10.99
The Sweet Caroline Upside® Key Lime Ornamental Sweet Potato Vine (Ipomoea) climbs a wooden pergola with heart-shaped leaves and clusters of dark purple flowers, plus one yellow bloom, set against blue sky and vibrant garden flowers - Photo Property of Garden Crossings LLC.Close-up of the vibrant, deeply lobed leaves of Sweet Caroline Upside® Key Lime Ornamental Sweet Potato Vine (Ipomoea), highlighting its bright yellow-green color and distinctive shape - Photo Courtesy of Proven Winners, Inc.

Sweet Caroline Upside™ Key Lime Ornamental Sweet Potato Vine (Ipomoea)

$10.99
$10.99
Close-up of Swingtime Trailing Fuchsia, showcasing white and pink petals among green leaves and buds - Photo Property of Garden Crossings LLC.A hand gently holds a blooming Swingtime Trailing Fuchsia, its pink and white petals surrounded by green leaves and buds set against a glass greenhouse backdrop - Photo Property of Garden Crossings LLC.

Swingtime Trailing Fuchsia

$10.99
$10.99