Choosing the best plants for floating planter transforms your pond or water feature into a stunning, living display that adds beauty, color, and wildlife value to any aquatic setting. Floating planters are versatile, innovative containers that allow you to grow a wide variety of plants directly on the water’s surface, creating beautiful islands of greenery that float effortlessly.

Floating planters have become increasingly popular among pond owners, water gardeners, and landscape designers seeking creative ways to add plants to water features without the need for planting shelves or bog areas. These floating containers provide the perfect solution for adding colour, texture, and wildlife habitat to ponds, lakes, and water gardens, while also helping to improve water quality by absorbing excess nutrients.

The key to success with floating planters lies in selecting plants that thrive with their roots submerged in water, tolerate fluctuating water levels, and provide year-round interest. With proper selection, floating planters can become stunning focal points that enhance your water feature and support local wildlife.

In this guide, the 15 best plants for floating planter are carefully reviewed based on their adaptability to aquatic conditions, visual appeal, maintenance requirements, and wildlife value to help you create beautiful, thriving floating displays.

15 Best Plants For Floating Planter

1. Water Lettuce (Pistia stratiotes) – Best Floating Rosette Plant For Floating Planter

Water Lettuce is the best floating rosette plant for floating planter because it produces beautiful, velvety rosettes of pale green leaves that float gracefully on the water’s surface while providing excellent habitat for fish and wildlife. This popular floating plant is a favorite for water gardens and pond displays.

The soft, fuzzy rosettes create a stunning display while helping to improve water quality by absorbing excess nutrients. Moreover, water lettuce is remarkably easy to grow and multiplies quickly, providing excellent coverage and natural filtration. Therefore, it offers beautiful floating rosettes with exceptional water-purifying benefits.

Water lettuce is easy to grow in floating planters, ponds, and water features, with its trailing roots providing excellent shelter for fish and aquatic life. Furthermore, it is hardy in warmer months and can be overwintered indoors in cooler climates. Overall, water lettuce delivers elegant floating beauty with outstanding water-quality benefits.

Pros:

• Beautiful velvety rosettes
• Excellent water filtration
• Provides fish shelter
• Easy to grow and multiply
• Attractive floating display
• Absorbs excess nutrients
• Low maintenance

Cons:

• Not frost-hardy
• Can be invasive in some areas
• Needs full sun to partial shade

2. Water Hyacinth (Eichhornia crassipes) – Best Flowering Floating Plant For Floating Planter

Water Hyacinth is the best flowering floating plant for floating planter because it produces stunning spikes of lavender-blue flowers with yellow centres that create a spectacular display on the water’s surface. This iconic floating plant is a favorite for adding dramatic colour to water gardens and ponds.

The glossy, rounded leaves and trailing roots create a beautiful floating display while the stunning flowers provide vibrant colour throughout the growing season. Moreover, water hyacinth is remarkably easy to grow and multiplies rapidly, providing excellent coverage and natural filtration. Therefore, it offers spectacular flowers with exceptional water-purifying benefits.

Water hyacinth is easy to grow in floating planters and ponds, with its trailing roots providing excellent habitat for fish and aquatic life. Furthermore, it is a fast-growing plant that helps to improve water quality by absorbing excess nutrients. Overall, water hyacinth delivers stunning floral displays with outstanding water-quality benefits.

Pros:

• Stunning lavender-blue flowers
• Excellent water filtration
• Provides fish habitat
• Fast-growing coverage
• Dramatic floating display
• Absorbs excess nutrients
• Low maintenance

Cons:

• Can be invasive
• Not frost-hardy
• Needs full sun

3. Marsh Marigold (Caltha palustris) – Best Native Marginal Plant For Floating Planter

Marsh Marigold is the best native marginal plant for floating planter because it produces cheerful, golden-yellow buttercup flowers in early spring that bring vibrant colour to water features. This native British plant is a favorite for adding early-season colour to floating displays.

The glossy, rounded leaves and bright yellow flowers create a beautiful display that attracts early pollinators like bees and hoverflies. Moreover, marsh marigold is remarkably hardy and thrives in wet conditions, making it perfect for floating planters. Therefore, it offers cheerful spring colour with exceptional adaptability to aquatic conditions.

Marsh marigold is easy to grow in floating planters and pond margins, with its compact growth habit providing attractive foliage throughout the growing season. Furthermore, it is a native British plant that supports local wildlife and adds a natural touch to water features. Overall, marsh marigold delivers cheerful spring blooms with outstanding native wildlife value.

Pros:

• Cheerful yellow spring flowers
• Native British plant
• Attracts early pollinators
• Hardy and reliable
• Compact growth habit
• Attractive glossy foliage
• Low maintenance

Cons:

• Spring flowering only
• Can be short-lived
• Prefers partial shade

4. Pickerelweed (Pontederia cordata) – Best Blue Flowering Plant For Floating Planter

Pickerelweed is the best blue flowering plant for floating planter because it produces striking spikes of violet-blue flowers that provide long-lasting colour from summer to autumn. This beautiful aquatic plant is a favorite for adding colour and vertical interest to water features.

The tall flower spikes rise above heart-shaped leaves, creating a beautiful display that attracts bees, butterflies, and other pollinators. Moreover, pickerelweed is remarkably easy to grow and provides excellent habitat for aquatic wildlife. Therefore, it offers stunning blue flowers with exceptional wildlife value.

Pickerelweed is easy to grow in floating planters and pond margins, with its attractive foliage providing interest even when not in flower. Furthermore, it is a hardy perennial that returns year after year, providing reliable colour in aquatic settings. Overall, pickerelweed delivers striking blue flowers with outstanding wildlife benefits.

Pros:

• Striking violet-blue flowers
• Long summer-to-autumn blooming
• Attracts pollinators
• Hardy perennial
• Attractive heart-shaped leaves
• Provides wildlife habitat
• Reliable performance

Cons:

• Can spread vigorously
• Needs full sun
• May need winter protection

5. Frogbit (Hydrocharis morsus-ranae) – Best Native Floating Plant For Floating Planter

Frogbit is the best native floating plant for floating planter because it produces beautiful, kidney-shaped leaves and small, delicate white flowers that create a charming display on the water’s surface. This native British plant is a favorite for adding natural beauty to water features.

The small, floating rosettes create a carpet of green that provides excellent cover for fish and aquatic life while the delicate white flowers add subtle charm. Moreover, frogbit is remarkably easy to grow and multiplies quickly, providing excellent natural filtration. Therefore, it offers delicate native beauty with exceptional wildlife benefits.

Frogbit is easy to grow in floating planters and ponds, with its compact growth habit providing attractive coverage throughout the growing season. Furthermore, it is a hardy native plant that supports local wildlife and adds a natural touch to water features. Overall, frogbit delivers charming native beauty with outstanding wildlife value.

Pros:

• Native British plant
• Delicate white flowers
• Provides fish cover
• Easy to grow
• Excellent water filtration
• Attractive kidney-shaped leaves
• Low maintenance

Cons:

• Dies back in winter
• Can spread quickly
• Needs calm water

6. Creeping Jenny (Lysimachia nummularia) – Best Trailing Plant For Floating Planter

Creeping Jenny is the best trailing plant for floating planter because it produces cascading stems of bright green or golden leaves that spill beautifully over the edges of floating containers. This versatile ground cover is a favorite for adding softness and colour to water features.

The trailing stems create a beautiful waterfall effect that softens the edges of floating planters while the bright foliage adds vibrant colour contrast. Moreover, creeping jenny is remarkably easy to grow and thrives in wet conditions, making it perfect for floating displays. Therefore, it offers cascading beauty with exceptional adaptability to aquatic conditions.

Creeping jenny is easy to grow in floating planters and pond margins, with its spreading habit providing attractive coverage and softening hard edges. Furthermore, it is a hardy perennial that returns year after year, providing reliable colour in aquatic settings. Overall, creeping jenny delivers cascading beauty with outstanding versatility.

Pros:

• Cascading trailing habit
• Bright green or golden foliage
• Softens floating planter edges
• Thrives in wet conditions
• Hardy perennial
• Fast-growing coverage
• Low maintenance

Cons:

• Can become invasive
• May need containment
• Can be damaged by drought

7. Iris (Iris laevigata, Iris pseudacorus) – Best Vertical Accent For Floating Planter

Iris is the best vertical accent for floating planter because it produces tall, elegant flower spikes in shades of blue, purple, yellow, and white that add dramatic height and colour to water features. These beautiful aquatic irises are a favorite for adding structure and elegance to floating displays.

The tall, sword-like foliage creates a dramatic vertical accent while the exquisite flowers provide stunning colour throughout late spring and early summer. Moreover, aquatic irises are remarkably hardy and thrive in wet conditions, making them perfect for floating planters. Therefore, they offer dramatic height with exceptional adaptability to aquatic conditions.

Aquatic irises are easy to grow in floating planters and pond margins, with their attractive foliage providing interest even when not in flower. Furthermore, they are reliable perennials that return year after year, providing structure and colour in water features. Overall, irises deliver dramatic vertical accents with outstanding aquatic performance.

Pros:

• Tall elegant flower spikes
• Dramatic vertical accent
• Beautiful flower colours
• Hardy perennial
• Sword-like architectural foliage
• Thrives in wet conditions
• Reliable performance

Cons:

• Can spread vigorously
• Needs full sun
• May need division

8. Lobelia (Lobelia siphilitica, Lobelia cardinalis) – Best Red Flowering Plant For Floating Planter

Lobelia is the best red flowering plant for floating planter because it produces stunning spikes of brilliant red, blue, or white flowers that provide dramatic colour and attract hummingbirds and pollinators. This beautiful aquatic plant is a favorite for adding vibrant colour to water features.

The tall, colourful flower spikes create a stunning vertical display that adds drama and visual interest to floating planters while providing nectar for pollinators. Moreover, lobelia is remarkably easy to grow and thrives in wet conditions, making it perfect for aquatic displays. Therefore, it offers vibrant colour with exceptional wildlife value.

Lobelia is easy to grow in floating planters and pond margins, with its attractive foliage providing interest throughout the growing season. Furthermore, it is a hardy perennial in milder areas and provides reliable colour year after year. Overall, lobelia delivers vibrant red blooms with outstanding pollinator benefits.

Pros:

• Brilliant red, blue, or white flowers
• Tall dramatic flower spikes
• Attracts hummingbirds
• Thrives in wet conditions
• Long blooming season
• Vibrant colour display
• Low maintenance

Cons:

• Can be short-lived
• Needs protection in cold areas
• May need winter care

9. Mint (Mentha aquatica) – Best Aromatic Plant For Floating Planter

Mint is the best aromatic plant for floating planter because it produces fragrant leaves that release a refreshing scent when brushed and thrive in wet conditions. This versatile aquatic herb is a favorite for adding fragrance and culinary value to water features.

The fragrant, rounded leaves create a beautiful green display while providing fresh mint for teas, drinks, and cooking. Moreover, water mint is remarkably easy to grow and spreads to fill containers quickly, providing excellent coverage. Therefore, it offers aromatic foliage with exceptional versatility and fragrance.

Water mint is easy to grow in floating planters and pond margins, with its spreading habit providing attractive coverage and pleasant fragrance. Furthermore, it is a hardy perennial that returns year after year, providing reliable aromatic foliage. Overall, water mint delivers fragrant beauty with outstanding culinary and wildlife value.

Pros:

• Fragrant aromatic leaves
• Culinary herb value
• Thrives in wet conditions
• Fast-growing coverage
• Hardy perennial
• Attracts pollinators
• Low maintenance

Cons:

• Can spread aggressively
• Needs containment in planters
• Can become invasive

10. Cattail (Typha minima) – Best Dwarf Grass For Floating Planter

Cattail is the best dwarf grass for floating planter because it produces attractive, slender foliage and characteristic cylindrical brown flower spikes that add texture and architectural interest to water features. This dwarf variety is a favorite for adding vertical interest to floating displays.

The slender, grass-like leaves create a beautiful vertical accent while the distinctive brown flower spikes provide texture and winter interest. Moreover, dwarf cattails are remarkably hardy and thrive in wet conditions, making them perfect for floating planters. Therefore, they offer architectural interest with exceptional adaptability to aquatic conditions.

Dwarf cattails are easy to grow in floating planters and pond margins, with their attractive foliage providing year-round interest. Furthermore, they are reliable perennials that return year after year, providing structure and texture in water features. Overall, dwarf cattails deliver architectural beauty with outstanding aquatic performance.

Pros:

• Architectural slender foliage
• Distinctive brown flower spikes
• Winter interest
• Hardy perennial
• Thrives in wet conditions
• Adds vertical texture
• Low maintenance

Cons:

• Can spread vigorously
• Needs full sun
• May need containment

11. Forget-Me-Not (Myosotis scorpioides) – Best Blue-Flowering Marginal For Floating Planter

Forget-Me-Not is the best blue-flowering marginal for floating planter because it produces masses of charming sky-blue flowers with yellow centres that create a beautiful display from spring to early summer. This classic aquatic plant is a favorite for adding delicate colour to water features.

The delicate, sky-blue flowers create a carpet of colour that attracts bees and butterflies while the attractive foliage provides a lush green backdrop. Moreover, forget-me-nots are remarkably easy to grow and thrive in wet conditions, making them perfect for floating planters. Therefore, they offer charming blue flowers with exceptional wildlife value.

Forget-me-nots are easy to grow in floating planters and pond margins, with their low-growing habit providing attractive ground cover and delicate colour. Furthermore, they are reliable perennials that self-seed readily, providing years of charming blooms. Overall, forget-me-nots deliver delicate blue beauty with outstanding wildlife benefits.

Pros:

• Charming sky-blue flowers
• Masses of spring blooms
• Attracts bees and butterflies
• Self-seeds readily
• Thrives in wet conditions
• Delicate woodland charm
• Low maintenance

Cons:

• Short flowering season
• Can self-seed excessively
• May need cutting back

12. Cyperus (Cyperus prolifer) – Best Umbrella Plant For Floating Planter

Cyperus is the best umbrella plant for floating planter because it produces striking, umbrella-like whorls of slender leaves that add dramatic architectural interest to water features. This unusual plant is a favorite for creating bold, tropical-style floating displays.

The distinctive umbrella-shaped leaf whorls create a dramatic, architectural display that adds height and texture to floating planters while thriving in wet conditions. Moreover, cyperus is remarkably easy to grow and provides year-round interest with its unique form. Therefore, it offers architectural drama with exceptional adaptability to aquatic conditions.

Cyperus is easy to grow in floating planters and pond margins, with its tall stems and umbrella-like leaves providing striking visual impact. Furthermore, it is a reliable perennial in milder areas and can be protected in colder climates. Overall, cyperus delivers bold architectural beauty with outstanding aquatic performance.

Pros:

• Dramatic umbrella leaf whorls
• Architectural interest
• Year-round visual appeal
• Thrives in wet conditions
• Unique tropical appearance
• Adds height to displays
• Low maintenance

Cons:

• Can be frost-tender
• Needs winter protection
• Can spread slowly

13. Rush (Juncus effusus) – Best Vertical Grass For Floating Planter

Rush is the best vertical grass for floating planter because it produces tall, upright stems that add dramatic vertical interest and texture to water features. This versatile aquatic plant is a favorite for adding structure and movement to floating displays.

The tall, upright stems create a striking vertical accent that adds drama and movement to floating planters while providing excellent habitat for wildlife. Moreover, rush is remarkably hardy and thrives in wet conditions, making it perfect for aquatic displays. Therefore, it offers vertical drama with exceptional adaptability to aquatic conditions.

Rush is easy to grow in floating planters and pond margins, with its attractive stems providing year-round interest and movement. Furthermore, it is a reliable perennial that returns year after year, providing structure and texture in water features. Overall, rush delivers vertical grass beauty with outstanding aquatic performance.

Pros:

• Tall upright stems
• Dramatic vertical accent
• Adds movement to displays
• Hardy perennial
• Thrives in wet conditions
• Provides wildlife habitat
• Low maintenance

Cons:

• Can spread vigorously
• Needs full sun
• May need containment

14. Arrowhead (Sagittaria sagittifolia) – Best Foliage Plant For Floating Planter

Arrowhead is the best foliage plant for floating planter because it produces distinctive, arrow-shaped leaves that create a beautiful, architectural display on the water’s surface. This native aquatic plant is a favorite for adding texture and natural beauty to water features.

The distinctive arrow-shaped leaves create a beautiful, architectural display that adds texture and visual interest to floating planters while providing excellent habitat for wildlife. Moreover, arrowhead is remarkably easy to grow and thrives in wet conditions, making it perfect for aquatic displays. Therefore, it offers architectural foliage with exceptional wildlife value.

Arrowhead is easy to grow in floating planters and pond margins, with its attractive leaves providing interest throughout the growing season. Furthermore, it is a hardy perennial that returns year after year, providing reliable foliage in water features. Overall, arrowhead delivers architectural foliage with outstanding aquatic performance.

Pros:

• Distinctive arrow-shaped leaves
• Architectural foliage
• Native British plant
• Hardy perennial
• Thrives in wet conditions
• Provides wildlife habitat
• Low maintenance

Cons:

• Can spread vigorously
• Needs full sun
• May need containment

15. Water Crowfoot (Ranunculus aquatilis) – Best Submerged Plant For Floating Planter

Water Crowfoot is the best submerged plant for floating planter because it produces delicate, feathery leaves and charming white buttercup flowers that float on the water’s surface. This native aquatic plant is a favorite for adding delicate beauty and oxygenation to water features.

The delicate, feathery underwater leaves provide excellent oxygenation while the charming white flowers with yellow centres float on the water’s surface. Moreover, water crowfoot is remarkably easy to grow and provides excellent habitat for aquatic wildlife. Therefore, it offers delicate beauty with exceptional oxygenation and wildlife benefits.

Water crowfoot is easy to grow in floating planters and ponds, with its submerged foliage providing essential oxygenation for aquatic life. Furthermore, it is a hardy native plant that supports local wildlife and adds a natural touch to water features. Overall, water crowfoot delivers delicate aquatic beauty with outstanding wildlife and oxygenation benefits.

Pros:

• Delicate feathery submerged leaves
• Charming white buttercup flowers
• Excellent water oxygenation
• Native British plant
• Provides wildlife habitat
• Natural aquatic beauty
• Low maintenance

Cons:

• Can be short-lived
• Needs clean, clear water
• May die back in winter

7 Essential Factors For Choosing Plants For Floating Planter

Water depth: Different plants require different water depths. Some plants like water lettuce and water hyacinth float on the surface, while others like iris and rush need their roots submerged in deeper water. Check each plant’s specific depth requirements for best results.

Sun exposure: Consider how much sunlight your floating planter receives. Most aquatic plants prefer full sun to partial shade, though some tolerate shade. Match plants to your specific light conditions for healthy growth and flowering.

Seasonal interest: Create year-round appeal by selecting plants that provide interest in different seasons. Combine spring-flowering plants like marsh marigold, summer-flowering plants like water hyacinth, and evergreen foliage plants for continuous visual interest.

Growth habit: Choose plants with suitable growth habits for floating planters. Trailing plants like creeping jenny soften edges, upright plants like iris add height, and floating plants like water lettuce cover the surface. A mix creates balanced, attractive displays.

Maintenance level: Some aquatic plants like water hyacinth and water lettuce multiply rapidly and need regular thinning. Others like iris and rush are slower-growing and require less maintenance. Choose plants that fit your maintenance preferences.

Wildlife value: Many aquatic plants provide excellent habitat for wildlife. Choose plants that support pollinators, provide shelter for fish, and contribute to a healthy pond ecosystem. Native plants like frogbit and marsh marigold are particularly valuable for wildlife.

Winter hardiness: Consider your climate and whether plants can survive winter in your area. Hardy perennials like iris and rush return year after year, while tender plants like water hyacinth and water lettuce need winter protection or replacing each year.

Frequently Asked Questions About Best Plants For Floating Planter

1. What are the best plants for floating planter?

The best plants for floating planter include Water Lettuce, Water Hyacinth, Marsh Marigold, Pickerelweed, Frogbit, Creeping Jenny, Iris, Lobelia, Mint, Cattail, Forget-Me-Not, Cyperus, Rush, Arrowhead, and Water Crowfoot. Choose plants based on your specific conditions and desired style.

2. How do floating planters work?

Floating planters work by suspending plants above the water with their roots submerged. The planter floats on the water’s surface, allowing plants to absorb nutrients directly from the water while providing a stable growing platform. This design prevents plants from drifting and keeps them contained.

3. Can I use floating planters in any pond?

Floating planters can be used in most ponds, lakes, and water features, provided the water is calm enough and the planter has room to float freely. They work best in still or slow-moving water and should be positioned away from waterfalls, pumps, and strong currents.

4. What grows in a floating planter?

Floating planters can grow a wide variety of aquatic and marginal plants, including floating plants like water lettuce and water hyacinth, marginal plants like iris and rush, trailing plants like creeping jenny, and submerged plants like water crowfoot.

5. How do I maintain a floating planter?

Maintain a floating planter by regularly checking for plant growth, thinning overgrown plants, adding water when levels drop, and fertilizing occasionally with aquatic plant fertilizer. Clean the planter regularly to prevent debris buildup and algae growth.

6. Do floating planters improve water quality?

Yes, floating planters improve water quality by absorbing excess nutrients through their roots, reducing algae growth, and providing oxygenation. Plants like water hyacinth and water lettuce are particularly effective at nutrient absorption and water purification.

7. Can I grow vegetables in a floating planter?

Yes, some vegetables can be grown in floating planters, including watercress, mint, and taro. These plants thrive in wet conditions and can be harvested regularly. Ensure the planter is large enough for root development and provide adequate nutrients for healthy growth.

Conclusion

In conclusion, Water Lettuce is the best overall plant for floating planter, combining beautiful velvety rosettes with exceptional water-purifying benefits and easy maintenance. Its ability to thrive in floating planters while providing excellent habitat for fish and aquatic life makes it an essential choice for water gardens. The runner-up, Water Hyacinth, offers stunning lavender-blue flowers and rapid growth that provides excellent coverage and natural filtration, making it a close second for floating displays.

For native wildlife value, Marsh Marigold and Frogbit are excellent choices that support local ecosystems. For architectural interest, Cyperus, Rush, and Arrowhead add height and structure. For colourful displays, Pickerelweed, Lobelia, and Forget-Me-Not provide vibrant blooms throughout the seasons.

Each plant offers unique advantages, including floating beauty, vertical interest, cascading foliage, and wildlife value. Therefore, the ideal choice depends on your water feature’s conditions, your aesthetic preferences, and the wildlife you wish to support.

Start working with floating planters to transform your pond or water feature into a stunning, living display. A beautiful, low-maintenance floating garden that supports UK wildlife is achievable even in the most challenging aquatic settings.