Hydroponic flowers are rare among gardeners. However, they are great for plant lovers who want to grow flowers without hard work.

Hydroponic Flowers for Water Garden

What are the options for hydroponic gardening, the specific needs of these flowers, and which seasons are best for their optimal growth? Find answers to all your questions in this article.

A Variety of Flowers To Grow Hydroponically

Hydroponically grown flowers are fascinating because their growing environment can be controlled. You can adjust temperature, pH level, and specific nutrients. Additionally, it protects plants from bacteria and insects. Hydroponic growing technique varies with the type of flowers – consider this list for growing hydroponic plants to create a hydroponic garden.

1. Orchids

Growing season
  • Spring
  • Summer 
Distinguishing characteristics
  • Perennials
  • Symmetrical and fragrant
  • Adaptable and versatile
Specific needs
  • Direct and intense sunlight and high humidity levels 
  • Cannot withstand excessive moisture and cannot sit in a water-logged pot
  • Overwatering can be fatal to orchids 
Common pests
  • Mealybugs
  • Aphids
  • Scale insects and thrips

Orchids are members of the Orchidaceae family. The orchid blossom is brightly colored and fragrant. They range in size from tiny plants (Platystele) to long vines (vanilla) to enormous plants (Grammatophullum).

Exquisite Orchids

There is an outer whorl made up of three sepal-like segments. Another whorl of three segments known as the petals is contained within the sepals. Orchids are renowned for being incredibly hardy and convenient plants to grow. Growing orchids hydroponically are extremely convenient because they require minimum care.

The beauty and versatility of orchids have these flowers have made them a popular choice for ornamental gardening and floristry. They are used in various settings, including homes, gardens, parks, and conservatories, and can also be found in many botanical gardens and greenhouses worldwide.

2. Peace Lily

Growing season
  • Fall
  • Dormant in winter
Distinguishing characteristics
  • Air-purifying, spathe-flowered and evergreen
  • Shade-loving
  • Enjoy low-light 
Specific needs
  • Moist soil and bright indirect light
  • High humidity and regular watering
  • Good drainage and warm temperatures
Common pests
  • Spider Mites, mealybugs, thrips
  • Aphids
  • Scale insects

Peace lilies are a popular choice for houseplants known for their air-purifying qualities and elegant white flowers. They belong to the Araceae family and are native to tropical regions of the Americas. They are known for being low-maintenance, easy-care plants that can thrive in low light and high humidity.

Elegant Peace Lily

These tropical flowers, a member of the Spathiphyllum genus, are distinguished by their white blossoms and dark green leaves. Growing a lily as an indoor plant is convenient if the right conditions are provided. These can be grown hydroponically. However, they prefer not to be overwatered. They may be more tolerant of underwatering than excessive exposure to water.

In hydroponic techniques, peace lilies are frequently modified varieties that send out tiny roots to absorb water. These species are also included in the list of indoor hydroponic plants.

Trim the leaves as needed to maintain a neat appearance, and re-pot if they become too large for their current container. Peace lilies can bring peace and beauty to any space with a little care.

3. Dahlias

Growing season
  • Late Spring
  • Dormant in fall
Distinguishing characteristics
  • Daisy-like, summer-blooming, and hardy
  • Versatile in shapes
  • Used in cut-flower arrangements
Specific needs
  • Full sun and rich, well-draining soil
  • Fertilization and staking for support
  • Deadheading for rebloom, winter protection and division for rejuvenation.
Common pests
  • Spider mites
  • Root maggots, powdery mildew
  • Botrytis blight

Dahlia belongs to the Asteraceae family of plants. This genus includes sunflower daisy, daisy, chrysanthemum, zinnia, and aster. Dahlias have eight sets of homologous chromosomes, making them octoploids.

Vibrant Dahlias Blossoms

Dahlias are popular summer-blooming perennials known for their showy and colorful flowers. They are native to Mexico and Central America. Dahlias are grown for their attractive blooms, which can be different in color from white to pink, red, orange, yellow, and purple. 

The blooms can be single or double, and their shape can vary from daisy-like to pompoms, cactus, or decorative. Growing dahlias flowers hydroponically is convenient; however, you must ensure they have enough space. This does need to be at least 12 inches deep because you are planting in a container.

With their wide range of colors and forms, Dahlias can add a striking touch of summer to any garden, bringing joy and beauty to all who see them.

4. Rose

Growing season
  • Spring
  • Dormant in winter
Distinguishing characteristics
  • Fragrant, colorful, thorny, and deciduous
  • Shrubby, widely-cultivated
  • Long-lasting
Specific Needs
  • Full sun
  • Well-draining soil
  • Fertilization and pruning
  • Good air circulation and disease prevention
Common pests
  • Rose sawflies
  • Rose midges
  • Rose chafers and mealybugs

The Rose plant belongs to the Rosaceae family and is cultivated for its beautiful flowers. Due to the distinctive deep red color and tight connotation to passion, roses are the queen of all flowers.

Romantic Rose

Roses come in a range of colors, including red, pink, yellow, orange, and white, and they are available in many different forms, including hybrid teas, floribundas, climbers, and shrubs. The blooms can be single or double and range from small to large.

Despite the perception that roses are delicate and frail, these plants are highly resilient and can endure harsh weather conditions. One of the most commonly grown hydroponic flora is the rose. Hydroponic roses can be easily grown using a nutrient film technique system.

Roses are also used in perfumes, skincare products, and herbal remedies. They grow best in full sun and well-draining soil and prefer consistent moisture. Adequate fertilization, pruning, and pest control can help ensure healthy growth, and good air circulation can prevent disease. To protect against frost, roses may need winter protection, especially in colder climates.

5. Lavender

Growing season
  • Summer
  • Dormant in winter
Distinguishing characteristics
  • Aromatic, gray-green leaves with purple or blue flowers
  • Upright growth habit with a long blooming period
  • Drought-tolerant and versatile
Specific needs
  • Full sun, well-draining soil and little to no irrigation is required
  • Good air circulation, proper pruning, winter protection, and good drainage is a must
  • Low-nitrogen fertilizer
Common pests
  • Lavender beetles
  • Lavender lace bugs
  • Mealybugs and powdery mildew

Lavender is a common flowering plant belonging to the mint family. It is known for its refreshing aroma and health benefits. Lavender is perfect for making informal hedges because of its compact shrub-like structure, upright flower spikes, and silvery-green foliage.

Soothing Lavender

Whether grown for its ornamental value, fragrance, or essential oils, lavender is an easy-to-care-for plant that can bring beauty and scent to any garden or landscape.

It can also be harvested for potpourri, sachets, and aromatic floral arrangements. Lavender is grown hydroponically in much the same way as any other plant. Planting seeds, allowing them to germinate, and then moving the plants into a hydroponic apparatus or using the deep water culture technique is the same as always.

6. Chrysanthemum

Growing season
  • Early Spring
  • Dormant in winter
Distinguishing characteristics
  • Multiple blooms because of long blooming period
  • Shaggy appearance, hardiness, diverse growth habits and edible petals
  • Symbol of longevity and popular in gardens and as cut flowers
Specific Needs
  • Well-draining soil, full sun to partial shade and regular watering
  • Ample humidity, adequate nutrients and support needed for tall stems
  • Proper pruning, proper deadheading, good air circulation and frost protection in winter is essential
Common pests
  • Root rot, botrytis
  • Chrysanthemum gall midge, leaf miners
  • Japanese beetles

Chrysanthemums are herbaceous plants that can be annual or perennial and are used in cooking or as decorations. Since there are so many different cultivars and kinds of this plant, each chrysanthemum is different from the others. While chrysanthemum flowers appear to have many petals, each one is only a tiny floret.

Colorful Chrysanthemum

They are known for their shaggy appearance and hardiness, making them a popular choice for gardens and as cut flowers. With diverse growth habits, they can be grown as a border plant, as a cut flower, or in containers. With their bright colors and long blooming period, they are sure to add beauty and interest to any garden or landscape.

7. Hydrangea

Growing season
  • Fall and early spring
  • Dormant in winter
Distinguishing Characteristics
  • Shrub-like growth habit, deciduous or evergreen with different flower forms
  • Woodland or shrub border plant with  a spectacular fall foliage
  • Long vase life as cut flowers
Specific Needs
  • Acidic soil, adequate moisture, partial to full shade
  • Protection from wind, proper pruning, good air circulation, humus-rich soil
  • Fertilization and support for large blooms 
Common pests
  • Botrytis
  • Bacterial wilt
  • Leaf spot and canker

Another popular flower is the hydrangea, which has huge blooms and a 50-year lifespan. The hydrangea’s most appealing feature is its vast spectrum of colors, ranging from pink to blue or vivid to pastel. One of the unique characteristics of Hydrangea is its ability to acclimatize itself to different lighting conditions, making it suitable for a range of gardens. They prefer partial shade to full shade and thrive in moist, acidic soil that is rich in organic matter. 

Majestic Hydrangea Blooms

Wind protection and good air circulation are also important for the health of a hydrangea. In addition, they require proper pruning to maintain their shape and promote new growth.

Despite their delicate appearance, hydrangea are actually quite hardy plants that can adapt to a range of weather conditions. However, they are susceptible to pests such as aphids, Japanese beetles, and powdery mildew, as well as root rot and leaf spot diseases. 

The ideal technique for growing hydrangea using a hydroponic flower kit is to select robust, healthy branches rather than thin ones. Hydroponic culture makes it challenging to root frail branches. The rooting pace is fairly quick when using freshly cut branches. The length of the cuttings should be divided into segments of around 10 cm, with one or two bud points.

8. Phlox

Growing season
  • Spring or fall
  • Dormant in winter
Distinguishing characteristics
  • Hardy plant with abundant blooms
  • Summer flowering
  • Colors (pink, purple, red, white, blue)
Specific Needs
  • Full sun to medium shade and well-drained soil
  • Prefers soil rich in organic matter and slightly acidic
  • Regular watering and mulching
Common pests
  • Powdery mildew
  • Aphids
  • Leaf spot, root rot

Phlox is a popular blooming plant that is known for its abundant clusters of blooms in shades of pink, purple, red, white, and blue. These blooms appear in the summer and can last for several weeks, making Phlox a great choice for adding color and interest to a garden or landscape.

Fragrant Phlox Flower

It is a relatively low-maintenance plant, but is susceptible to some common pests like powdery mildew and aphids as well as leaf spot and root rot diseases. 

Phlox is a versatile plant that can be used in a variety of garden settings, including borders, rock gardens, and cottage gardens. With its attractive foliage and abundant blooms, Phlox adds beauty and interest to any landscape.

Phlox plants are annuals and perennials and are frequently used to make tea and other therapeutic concoctions. They produce bundles of practically colorless flowers as they grow.

These plants have a profusion of brilliant, star-shaped flowers when in bloom. You may find a phlox for practically any garden because there are so many variations and sorts.

Phlox thrives in the ideal humidity that hydroponics systems offer. Choose your seeds wisely. Some types are little and delicious, but others can grow to heights of over five feet, making them too tall for most hydroponic kits.

9. Gerbera

Growing season
  • Spring
  • Dormant in winter 
Distinguishing characteristics
  • Large, showy blooms
  • Wide range of colors (pink, orange, yellow, red, white)
  • Ideal for cut flower arrangements and adds vibrant touch to garden/landscape
Specific needs
  • Bright, indirect light, well-drained soil rich in organic matter
  • Regular watering and sensitive to high humidity
  • Good air circulation and low-maintenance
Common pests
  • Thrips
  • Aphids
  • Spider mites

Gerbera is a popular flowering plant that is known for its large, bright blooms in a wide range of colors, including pink, orange, yellow, red, and white. These blooms can measure up to 5 inches in diameter and sit atop long stems, making them ideal for use in cut flower arrangements.

Cheerful Gerbera

They prefer bright, indirect light and well-drained soil that is rich in organic matter. They are comparatively easy to care for and do well with regular watering, but can be sensitive to high humidity and require good air circulation to prevent fungal diseases.

This tropical plant from all over the world offers a magnificent array of hues, from white to deep purple, to yellow, pink, orange, and red. You can also select flowers in two colors if you enjoy the contrast.

When growing in hydroponics, keep the growing media wet but not waterlogged. Maintain germination temperature above 70 degrees Fahrenheit with around eight hours or more of bright sunshine daily.


Growing plants in hydroponics is a relatively convenient way for those who don’t want to spend hours maintaining their gardens yet want a floral, refreshing garden. Hydroponic gardening has several benefits, as you can control the environment and tailor the plants’ needs. Here’s what you should know about these plants:

  • If you want hydroponic flowers indoors, the best options are lavenders, chrysanthemums, lilies, or orchids.
  • The best plants that suit hydroponic flower farms are roses because they have several varieties, are always in demand, and have minimal care requirements.
  • Hydroponic systems require adequate light, water, space, nutrients, and heat to grow flowers or plants indoors.

We hope you now know which plants grow in hydroponic cultures so you can go make a beautiful feature!

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