27 Vibrant Rainbow Flowers to Plant for a Garden that Celebrates All Colors

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Planting rainbow flowers in your landscape goes beyond gardening, it creates an immersive outdoor experience. They offer an explosion of color every time you stroll through your space.

The Top 27 Most Intriguing Rainbow Flowers to Plant for a Rejuvenating Outdoor Space

Rainbow Flowers

Because rainbows are different for everyone, begin by defining what a rainbow means to you. Is it a collection of all colors or an arch that includes red, orange, yellow, green, blue, indigo, and violet? Do not worry if you are not sure what kind of rainbow you would like to bring to life. Experimenting with different types of rainbow flowers can be a fun and exciting way to learn more about your botanical style.

1. Petunia (Petunia)

Petunia

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  • 🔮 Symbolism: Soothing calm, furious resentment, hopefulness
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Average soils with good drainage
  • 🌍 Growing zones: 10 to 11
  • ☀️ Light needs: Full sun to part shade
  • 🌱 Blooming season: May until frost

Even though petunias are easy to grow, they offer bright bursts of color. Floppy petals and velvety foliage come together to soften your landscape. Because they are available in any color except brown or black, they are the perfect addition to a rainbow-themed space. Petunias are also available in attractive bicolor patterns.

2. Tulip (Tulipa)

Tulip

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  • 🔮 Symbolism: Perfect love, harmonious marriage, a charitable nature
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Fertile soil with good drainage
  • 🌍 Growing zones: 3 to 8
  • ☀️ Light needs: Full sun
  • 🌱 Blooming season: April to May

In springtime, tulips reign supreme and, except for true blue, can be found in any color. Because each type of tulip holds a unique meaning, you can use a rainbow of tulip colors to spell different messages. To make sure that message comes across, you will want to plant tulip bulbs in groups.

3. Daffodil (Narcissus ‘Southern Hospitality’)

Daffodil

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  • 🔮 Symbolism: Graceful beauty, youthful joy, unrequited love
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Average soils with good drainage
  • 🌍 Growing zones: 3 to 8
  • ☀️ Light needs: Full sun to part shade
  • 🌱 Blooming season: March to April

Famous for their early springtime bloom, daffodils offer low-maintenance yellow flowers. You can choose whether to display a single hue or showcase yellows and oranges. As shown in these images of rainbow flowers, double daffodils offer a fancy twist to a timeless classic. This variety uses elegant multicolored ruffles to channel orange and yellow.

4. Bells of Ireland (Moluccella Laevis)

Bells of Ireland

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  • 🔮 Symbolism: Good luck
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Loose-textured fertile soil with good drainage
  • 🌍 Growing zones: 2 to 11
  • ☀️ Light needs: Full sun
  • 🌱 Blooming season: July to September

Because green flowers are rarer than their colorful counterparts, one of the greatest challenges of creating a rainbow-themed garden is incorporating green. Bells of Ireland brings impressive green inflorescences to the botanical party through the summer into the fall. Perhaps you will also reap some of the good luck they are rumored to bring.

5. Tufted Pansy (Viola Cornuta)

Tufted Pansy

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  • 🔮 Symbolism: Open-mindedness, remembrance, laughter
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Humus-type fertile soils with good drainage
  • 🌍 Growing zones: 6 to 11
  • ☀️ Light needs: Full sun to part shade
  • 🌱 Blooming season: April to June

With a wide range of colors and patterns, tufted pansies make it easy to cultivate a rainbow-themed space. You can choose to plant single colors in patterns or all mixed as shown in these pictures of rainbow flowers. Because tufted pansies are annuals, you can have fun switching them up every year.

6. False Indigo (Baptisia ‘Blueberry Sundae’)

False Indigo

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  • 🔮 Symbolism: Clarity, soothing, change
  • 💧 Water needs: Dry to medium
  • 🪴 Soil needs: Average soil with good drainage
  • 🌍 Growing zones: 4 to 9
  • ☀️ Light needs: Full sun to part shade
  • 🌱 Blooming season: May to June

If planning a rainbow-colored garden is your goal, false indigo’s intense blooms are a staple. These flowers are reasonably hardy and can survive a wide variety of growing conditions meaning that they can go wherever you have room. ‘Blueberry Sundae’ is a compact variety that showcases a more intense indigo hue than the species.

7. Spring Crocus (Crocus vernus ‘Purpureus Grandiflorus’)

Spring Crocus

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  • 🔮 Symbolism: Cheerfulness, youthful happiness, childlike joy
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Gritty soils with good drainage, Tolerates clay soil
  • 🌍 Growing zones: 3 to 8
  • ☀️ Light needs: Full sun to part shade
  • 🌱 Blooming season: April

As winter fades, seeing the first spring crocuses emerge feels like waking. With an intense purple hue and velvety petals, this variety of spring crocus is everything you could wish to channel the purple stripe in the rainbow. Cheerful yellow stamen provide a pleasing contrast. Spring crocuses can also be found in a bright yellow-orange color.

8. Rose (Rosa ‘Ausdir’ Tradescant)

Rose

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  • 🔮 Symbolism: Desire, passionate love, good luck
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Slightly acidic loam-type soils with good drainage
  • 🌍 Growing zones: 5 to 9
  • ☀️ Light needs: Full sun
  • 🌱 Blooming season: May until frost

As a classic landscape element, roses should be in every landscape designer’s arsenal. This variety of English shrub rose produces rich, wine-red roses, but the color options are nearly limitless. If a red shrub rose does not fit your landscape, you can choose any rose type or color to fill in your rainbow-themed landscape.

9. Azalea (Rhododendron ‘Gibraltar’)

Azalea

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  • 🔮 Symbolism: Womanhood, fragility, self-care
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Acidic humus-rich soil with good drainage
  • 🌍 Growing zones: 5 to 8
  • ☀️ Light needs: Part shade
  • 🌱 Blooming season: April to May

With an azalea, you can soak in radiant blooms throughout spring. Often, these flowers are white, pink, or red. However, as you can see in pictures of these rainbow flowers, this variety offers a luminous orange. As you pursue a rainbow-colored landscape, springtime orange flowers can make your color-loving dreams come true.

10. Sunflower (Helianthus Annuus)

Sunflower

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  • 🔮 Symbolism: Protection from illness, adoration, constant devotion
  • 💧 Water needs: Dry to medium, tolerates drought
  • 🪴 Soil needs: Average soil with good drainage, tolerates poor soil
  • 🌍 Growing zones: 2 to 11
  • ☀️ Light needs: Full sun
  • 🌱 Blooming season: July to August

Because of their immense height, sunflowers are like the skyscrapers of the landscape. When planted as a rear border, friendly yellow flowers stand above your other rainbow-hued flowers. If the yellow petals with a brown disk are not right for your space, these types of rainbow flowers can be found with red petals and purple centers.

11. Coneflower (Echinacea Purpurea ‘Green Jewel’)

Coneflower

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  • 🔮 Symbolism: Good health, soothing from pain, a clear voice
  • 💧 Water needs: Dry to medium
  • 🪴 Soil needs: Average soils with good drainage
  • 🌍 Growing zones: 3 to 8
  • ☀️ Light needs: Full sun to part shade
  • 🌱 Blooming season: May to August

As you can see in images of these rainbow flowers, this variety of coneflower is the perfect way to add a pop of green to your landscape. Cool green rays contrast gracefully with a dark green cone. Because coneflowers are native wildflowers, they can adapt to a wide variety of gardens.

12. Clematis (Clematis ‘The President’)

Clematis

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  • 🔮 Symbolism: Cleverness, vitality, resourcefulness
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Fertile soil with good drainage
  • 🌍 Growing zones: 4 to 8
  • ☀️ Light needs: Full sun to part shade
  • 🌱 Blooming season: May to September

In shades ranging from purple to blue, clematis flowers provide a chic indigo element to any rainbow-themed garden. These climbing flowers can fill any blank spaces to ensure your landscape is carpeted in color. This clematis cultivar contributes flashy purple-blue flowers so reliably that it holds a Royal Horticultural Society Award of Garden Merit.

13. Polyanthus Primrose (Primula Veris x Primula Vulgaris)

Polyanthus Primrose

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  • 🔮 Symbolism: Proud riches, reluctance, youthful love
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Slightly acidic fertile soil with good drainage
  • 🌍 Growing zones: 5 to 7
  • ☀️ Light needs: Part shade to full shade
  • 🌱 Blooming season: April to May

If you live in a cool climate, polyanthus primrose might be the perfect rainbow flower to plant. Because they can be found in any color except green, polyanthus primrose can bring the rainbow into your garden. During its springtime bloom, this flower will happily fill shady areas with color.

14. Bearded Iris (Iris Germanica)

Bearded Iris

Photo from depositphotos.com
  • 🔮 Symbolism: Good luck, fiery strength, good news from friends
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Fertile humus-rich soil with good drainage
  • 🌍 Growing zones: 3 to 10
  • ☀️ Light needs: Full sun
  • 🌱 Blooming season: May

Named after an ancient Greek rainbow goddess, bearded irises are a mainstay of the rainbow-themed garden. With their cascade of ruffled velvety petals, bearded irises can be found in whichever colors fit your approach to a rainbow flower garden. To add a sense of drama to your garden’s design, include a border of ostentatious irises.

15. Bee Balm (Monarda ‘Gardenview Scarlet’)

Bee Balm

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  • 🔮 Symbolism: Good digestion, Soothing away pain, Banishing unpleasantness
  • 💧 Water needs: Medium to wet
  • 🪴 Soil needs: Average soils that retain moisture
  • 🌍 Growing zones: 4 to 9
  • ☀️ Light needs: Full sun to part shade
  • 🌱 Blooming season: June to August

Bee balm might grace your garden with an impressive display of scarlet flowers, but it still only gives you one of the colors of the rainbow. However, these spiky flowers attract golden-striped honeybees and an iridescent rainbow of hummingbirds. To increase the number of colorful hummingbirds visitors to your garden, plant bee balm in groups.

16. French Marigold (Tagetes Patula)

French Marigold

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  • 🔮 Symbolism: Dutiful obedience, sorrowful grief, jealousy
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Average soils with good drainage, tolerates clay soil
  • 🌍 Growing zones: 2 to 11
  • ☀️ Light needs: Full sun
  • 🌱 Blooming season: June until frost

French marigold can fill your space with hues of vivacious yellow, golden orange, and rich burgundy. With a long flowering season and little required maintenance, French marigolds are one of the easiest rainbow flowers to plant for a colorful space. Deadhead spent flowers to encourage the profusion of ruffled flowers to continue.

17. Black-Eyed Susan (Rudbeckia ‘American Gold Rush’)

Black-Eyed Susan

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  • 🔮 Symbolism: Friendliness, good hearing, healing wounds
  • 💧 Water needs: Dry to medium
  • 🪴 Soil needs: Average soil with good drainage
  • 🌍 Growing zones: 3 to 9
  • ☀️ Light needs: Full sun
  • 🌱 Blooming season: July to September

Black-eyed Susan flowers are a great way to invite bright yellows into your garden. Like many native types of rainbow flowers, black-eyed Susans thrive in a wide range of environments while producing lavish clouds of color. Although these flowers only channel a single shade of yellow, they also attract birds and butterflies to your garden.

18. Prickly-Pear (Opuntia Humifusa)

Prickly-Pear

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  • 🔮 Symbolism: Humor, endurance, a breath of fresh air
  • 💧 Water needs: Dry, tolerates drought
  • 🪴 Soil needs: Sandy soils with excellent drainage
  • 🌍 Growing zones: 4 to 9
  • ☀️ Light needs: Full sun
  • 🌱 Blooming season: June to July

While prickly-pear flowers are an optimistic shade of yellow, this plant introduces a unique green element to your rainbow space. When seen among lush plants, cactus pads help the color green to shine. Of course, in the summer, your garden will benefit from the ruffled golden petals shown in these pictures of rainbow flowers.

19. Blue Lotus (Nymphaea Caerulea)

Blue Lotus

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  • 🔮 Symbolism: Spiritual awakening, the beauty found in purity, life
  • 💧 Water needs: Wet
  • 🪴 Soil needs: Aquatic
  • 🌍 Growing zones: 10 to 12
  • ☀️ Light needs: Full sun
  • 🌱 Blooming season: July to September

Blue lotus can fill your water features with delicate blue petals, yellow stamen, and resplendent green lilypads. Because they prefer aquatic conditions, these types of rainbow flowers can bring bright colors to ponds and water gardens. To enjoy a sweet fragrance, plant these flowers near a walkway or seating area.

20. Hydrangea (Hydrangea Macrophylla)

Hydrangea

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  • 🔮 Symbolism: Self-satisfaction, prideful beauty, understandings
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Fertile soil with good drainage, soil chemistry determines flower color
  • 🌍 Growing zones: 6 to 9
  • ☀️ Light needs: Part shade
  • 🌱 Blooming season: July to August

A single hydrangea plant can offer flower clusters in true blue, lilac purple, and lively pink. Along with its amiable green foliage, this ability makes the hydrangea a great addition to a rainbow-themed space. Pair a hydrangea with red, orange, and yellow flowers to achieve a landscape that features all the colors of the rainbow.

21. American Wisteria (Wisteria Frutescens)

American Wisteria

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  • 🔮 Symbolism: Hospitable welcome, Summertime poetry, Youthfulness
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Slightly acidic fertile soil with good drainage
  • 🌍 Growing zones: 5 to 9
  • ☀️ Light needs: Full sun
  • 🌱 Blooming season: April to May

American wisteria makes it possible to enjoy a lilac-blue waterfall of flowers without having to worry about the aggressive habits of invasive Asian wisteria. As a wisteria, it will need a structure to climb. Because American wisteria still does require pruning, it is best suited to gardeners who enjoy pruning as a relaxing activity.

22. Blanket Flower (Gaillardia Aristata ‘Bijou’)

Blanket Flower

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  • 🔮 Symbolism: Good luck, a long journey’s end, cleanliness
  • 💧 Water needs: Dry to medium, tolerates drought
  • 🪴 Soil needs: Average soils with good drainage
  • 🌍 Growing zones: 3 to 8
  • ☀️ Light needs: Full sun
  • 🌱 Blooming season: May to September

A flower that promises a carpet of color all season with very little water seems too good to be true. However, with rich reds and opulent golds, this is exactly what blanket flowers can bring to a garden design. This variety of blanket flower is shorter and more compact, making it an ideal border front.

23. Chrysanthemum (Chrysanthemum Morifolium)

Chrysanthemum

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  • 🔮 Symbolism: Long life, Joyful friendship, Optimistic eternity
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Fertile soil with good drainage
  • 🌍 Growing zones: 5 to 9
  • ☀️ Light needs: Full sun
  • 🌱 Blooming season: September until frost

As a garden’s color begins to fade in late fall, the late-blooming chrysanthemum can be a powerful force for revitalization. Images of these rainbow flowers show how beautiful they can be when arranged in colored stripes in a bed. Rainbow stripes are just one possibility. Develop dimension by using mums to depict simple shapes or designs.

24. Hyacinth (Hyacinthus Orientalis Etouffee)

Hyacinth

Photo from depositphotos.com
  • 🔮 Symbolism: Impetuousness, peace of mind
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Average soils with good drainage
  • 🌍 Growing zones: 4 to 8
  • ☀️ Light needs: Full sun to part shade
  • 🌱 Blooming season: March to April

Tight clusters of highly fragrant pastel flowers can bring rainbow vibes to spring gardens. This variety of hyacinth features flowers in multiple colors including blue, purple, and pink. To experience all the shades seen in a rainbow, interplant hyacinth bulbs with other bulb-based perennials that bloom in spring such as tulips and daffodils.

25. Columbine (Aquilegia Canadensis)

Columbine

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  • 🔮 Symbolism: Finding love, dove of peace, eccentricity
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Average soils with good drainage
  • 🌍 Growing zones: 3 to 8
  • ☀️ Light needs: Full sun to part shade
  • 🌱 Blooming season: April to May

With an origami-like shape and plenty of color options, columbine offers a perennial display that will never cease to amaze. This variety is native to the United States and features reddish pink and yellow petals. When you plant a plot of columbine, you not only get to enjoy expressive flowers but also the jewel-like hummingbirds they attract.

26. Pretty-By-Night (Mirabilis Jalapa)

Pretty-By-Night

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  • 🔮 Symbolism: Fiery love, wonderment, shyness
  • 💧 Water needs: Medium
  • 🪴 Soil needs: Average soils with good drainage
  • 🌍 Growing zones: 9 to 11
  • ☀️ Light needs: Full sun to part shade
  • 🌱 Blooming season: June until frost

Beyond this flower’s exceptional ability to produce flowers with dazzlingly unique patterns, it also stays open through the night. These flowers open in the late afternoon to close the next morning, imbuing your landscape with nocturnal color. While it is beautiful when showcased as a specimen, this flower achieves Victorian gravitas when used as a hedge.

27. Verveine (Lantana Camara)

Verveine

Photo by Pixabay from pexels.com
  • 🔮 Symbolism: Vigorous strength, wishes coming true, good fortune
  • 💧 Water needs: Medium, tolerates drought
  • 🪴 Soil needs: Average soils with good drainage
  • 🌍 Growing zones: 10 to 11
  • ☀️ Light needs: Full sun
  • 🌱 Blooming season: July until frost

Verveine is unique among the many types of rainbow flowers because each floral cluster promises a mixture of many hues. Every bunch has the potential to showcase red, orange, yellow, purple, and white. Plant these flowers next to a blue-flowering plant with green foliage, and you can bask in all the colors of the rainbow.

27 Unforgettable Rainbow Flowers to Plant in a Garden that Craves More Color

When you walk into a garden filled with rainbow flowers, it can feel like anything can happen. Just as everyone has a unique style, there are many ways to approach a rainbow-themed garden. One strategy is to interplant flowers that showcase a single vibrant color for an overall rainbow effect. Another is to choose multicolored flowers to achieve an explosion of color. Maybe the right approach for you is to combine these two strategies and plant a mixture of single-colored and multicolored flowers. Among the many types of rainbow flowers, you will also need to decide whether your garden will emphasize gentle pastel hues or energizing jewel tones.