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40 Flowers and Plants Suitable for Hydroponics

Hydroponically grown plants exude elegance and have strong ornamental value. They are easy to maintain and care for.

During the dry winter season, they can serve as natural humidifiers at home. Don’t worry about not being able to take care of hydroponic plants. Pruning a branch, washing the roots, changing the water… it’s easy to maintain them.

Now let’s understand which 50 flowers are suitable for hydroponics.

1. Pothos

Flower language: Passionate and cheerful

When growing hydroponically, cut the branches with aerial roots to promote quicker rooting.

Care tips:

Pothos thrive in moist environments. Regularly misting the leaves can keep them vibrant and beautiful. Make sure the indoor temperature in winter doesn’t drop below five degrees Celsius to avoid frost damage.

2. Spider Plant

Flower language: Wealth and good fortune

The Spider Plant, often referred to as the “green purifier,” can be propagated hydroponically by cutting a small plantlet with aerial roots from the parent plant’s runners. After a few days, you’ll see the plant sprouting new, tender roots.

Care tips:

Hydroponic Spider Plants should be placed in well-lit areas to promote root growth. The water should be changed daily for the first few days, and then when the water becomes dirty after rooting.

3. Moneywort

Flower language: Rolling wealth

Moneywort can also be grown hydroponically in combination with soil. By placing soil at the bottom of a clay pot and adding an appropriate amount of clear water, the rich nutrients in the soil can better assist the plant’s growth.

Care tips:

When the clear water in the pot decreases, replenish it promptly.

4. Aloe Vera

Flower language: Self-respect, non-interference, and the source of youth

Preferably choose small, healthy Aloe Vera plants. Clean and disinfect the roots, then add a substrate in the bottle to fix the roots.

Make sure the aloe root barely touches the water, and the leaves shouldn’t touch the water. After planting, the hydroponic Aloe Vera can be placed in a cool and ventilated place, avoiding direct sunlight.

Care tips:

For rapid root growth, the bottom half of the vase can be covered with black cloth. Pay attention to changing the water every 2-3 days, promptly remove rotten roots, clean the container, and ensure the water has no unpleasant smell. After new roots have sprouted, you can switch to using a foliage plant nutrient solution for long-term cultivation.

5. Alocasia

Alocasia

Flower language: Wealth and respect

The upper part of the Alocasia is relatively large, and the root system is not well developed, so when hydroponically grown, the roots need to be fixed with pumice or another substrate.

Care tips:

The leaves of Alocasia easily absorb dust, so they need to be cleaned often. When changing the water, you can add some water to its tubular structure, but be careful not to sprinkle it on the flowers.

6. Money Tree

Flower language: Fortune and prosperity

When growing a Money Tree hydroponically, clean the roots of the plant, trim the old roots, then place the plant in moist river sand to induce the growth of a new root system.

When the new roots reach about 2 centimeters, rinse and put them in a hydroponic container for hydroponic growth.

Care tips:

Hydroponic Money Trees should be placed in bright indoor light, and the temperature in winter cannot drop below five degrees Celsius.

7. Lucky Bamboo

Flower language: Prosperity and peace

Before hydroponic planting of Lucky Bamboo, cut off the leaves at the base and slant cut a part of the root, which allows the bamboo to better absorb water. Store tap water for a day before using.

When adding water to the vase, fill it to about 1/3 of the vase – too much water can affect root breathing.

Care tips:

Before rooting, change the water frequently, usually a complete change every 3-4 days. During this period, avoid moving the Lucky Bamboo in the water randomly and do not fertilize.

After rooting, replace half the water or add a small amount of water every 10 days. Don’t place it in colder spots like balconies or windows in winter, place the plant in a bright and ventilated place, and make sure the water doesn’t freeze.

8. Anthurium

Flower language: Great plans, passion

Choose an Anthurium with a beautiful shape and blooming flowers, gently tap around the pot to remove the peat moss, trim yellow leaves and damaged roots, and soak the roots in water to clean them.

After drying in a cool place, you can start hydroponics. Pebbles can be placed at the bottom of the water bottle for decoration, then add clean water to submerge two-thirds of the Anthurium root system. Regularly add some nutrient solution to the water.

Care tips:

Throughout the year, spray water on the leaves several times, regularly change the water and increase the oxygen.

After the flower wilts, trim the wilted flowers, spray leaf fertilizer, so the Anthurium can grow normally.

Anthurium requires a stable water temperature, and the temperature difference should not be too large when changing the nutrient solution.

9. Spathiphyllum

Flower language: Smooth sailing, all goes well

Remove the pot from the soil-grown Spathiphyllum, clean the old soil from the roots, and wash with clean water.

Cut off the aged and rotten roots. For regular hydroponics, if you choose a narrow-mouthed bottle, you can use stones to fix it, making sure that one-third of the root is in the water.

Care tips:

Place the plant in a bright place without direct sunlight. Regularly change the water, rinse the root slime, trim the old roots, rotten roots, and clean the inner wall of the water bottle.

For daily care, spray the leaves with clean water to keep them moist, it’s best to spray leaf fertilizer once a week.

10. Hyacinth

Flower language: As long as you ignite the fire of life, you can share a rich life

After purchasing the Hyacinth bulb, wash it clean in slow-moving water, then peel off the purple skin until the white part is exposed. Then clean the roots, sterilize, and let it air dry in a cool place.

After a day, it can be planted. The bulb is generally 2-5 millimeters away from the water surface, a container with a hydroponic basket is best.

Care tips:

Hyacinth bulbs that have just been planted need to be shaded at the root. During the hydroponics process, never fill the container with water. After two months of care, place the Hyacinth in a wide-mouthed glass bottle, add a small amount of charcoal to help disinfect and prevent rot.

The water temperature for hydroponic Hyacinths should be equivalent to room temperature, it should not be too cold or too hot.

11. Cactus

Flower language: Unwavering

Remove the healthy growing cactus from the pot and wash the roots, then place the cactus in a planting basket or a heavy, stable glass vase to prevent the cactus from toppling over.

Care tips:

The cactus ball should not touch the water surface, and when changing the water, do not drop water on the cactus to prevent the cactus from rotting.

Choose the frequency of water change based on the water quality and regularly clean the container to prevent the growth of moss.

12. Orchids

Flower language: Youthful beauty

Every section of the Orchid has aerial roots. When hydroponically grown, cut branches about 20 cm long and directly insert them into the water. In about twenty days, you can see the white aquatic roots growing out.

Care tips:

Spray water on the leaves often to maintain a fresh leaf color. In winter, you can change the water every two weeks or so.

13. Ivy

Flower language: Gratitude, loyalty, eternity

Cut the branches and insert them into water. If the room temperature can reach around twenty degrees, a new root system can sprout in about three weeks.

Care tips:

During hydroponics, you can choose to grow ivy with rich leaf colors for higher ornamental value. It needs shading treatment in the summer and can be placed in a well-lit place in winter. Change the water when it gets dirty.

14. Philodendron

Philodendron

Flower language: Pure love

When hydroponically grown, cut branches with aerial roots and directly insert them into the water for growth. Roots can develop in about ten days, and it is not affected by the seasons, it can be done all year round.

Care tips:

Choose the appropriate water change time based on water quality. After the Philodendron grows new vines, you can appropriately guide them.

15. Turtle Bamboo

Flower language: Longevity

Turtle Bamboo can be grown hydroponically throughout the year. Choose a healthy Turtle Bamboo, not too large, remove it from the pot, clean the root system, and then put it in clean water for hydroponic cultivation.

Care tips:

During dry air, spray water on the leaves for moisture. Turtle Bamboo can be grown hydroponically in all seasons, but it is prone to root rot in the summer, at which time do not add nutrient solution.

In winter, place it in a sunny place. If you find root rot, disinfect it with potassium permanganate, then rinse with clean water and continue hydroponic cultivation.

16. Hydroponic Potatoes

Do not throw away sprouting potatoes, they can be grown hydroponically as a whole, or you can cut them into pieces and then cultivate them hydroponically.

When dividing the potato, pay attention to the direction of the buds, try to point upwards to facilitate plant growth.

Care tips:

The water level should just be above the potato stem, place it in a well-lit area and timely replenish water.

17. Hydroponic Sweet Potatoes

Hydroponic sweet potatoes can be carved into various shapes, and sweet potato leaves can also be used for food.

Care tips:

Do not put the entire sweet potato into the water, change the water and add water in time, provide it with sufficient light, and try to keep the temperature not lower than 5 degrees.

18. Hydroponic Garlic

Choose fresh garlic and remove the skin to help it sprout faster. You can break the garlic into cloves, or directly start hydroponic cultivation. Add water to cover the lower part of the garlic, and it will sprout quickly.

Care tips:

Remember to expose it to the sun a lot, otherwise the garlic sprouts will grow weak.

19. Hydroponic Onions

Choose a complete, non-rotten onion, remove the skin, and then put it into the prepared hydroponic container, allowing the root system to touch the water surface.

Care tips:

Change the water frequently for hydroponically grown onions and promptly cut off the rotten root system. Try to place it in a sunny place to prevent the leaves from growing too long.

20. Money Plant

Money Plant can be regarded as an aquatic plant. We can cut the roots and leaves separately, cut the roots into sections and throw them into the water, and they will root in the water and sprout on their own.

It is a typical aquatic plant that can be grown hydroponically, in soil, or in a half-soil-half-water cultivation method.

21. Single Leaf Lotus

Single Leaf Lotus

Single Leaf Lotus has been quite popular in recent years. A single leaf will grow roots at the end, which will absorb nutrients from the water and grow a stem. Then it will grow another leaf. It grows very fast and is simple to cultivate in water.

However, remember to let the leaves grow bigger before cutting them, otherwise, they may rot during later cultivation.

We need to ensure the cleanliness of the water, and the water temperature should not be too low, nor should it exceed 30 degrees, otherwise, it will be difficult to grow.

22. Water Hyacinth

Water Hyacinth

Also known as Eichhornia crassipes, it has a thick stem with a hollow cavity inside. Although its leaves don’t hold much ornamental value, it does bloom, producing beautiful clusters of purple flowers.

It is a typical aquatic plant that, with the right large container at home, can grow rapidly. However, ensure that there are nutrients in the water and the plant receives sufficient light.

23. Lotus

Lotus

Bowl lotus and water lilies are all types of lotus. They have a kind of tuber at the bottom, especially when it comes to seeds, they can quickly grow roots using the hydroponic method.

They can also be grown hydroponically at home, but you need to add some soil underneath, cover the rhizomes, and then place them in a place with plenty of light. This way, they will bloom normally.

If placed in a dark place in the water, they can still grow, but it will result in no blooming. They are also typical aquatic plants.

24. Gardenia

Hydroponically grown Gardenia, glossy green leaves, flowers bloom brightly.

The gardenia, prone to yellowing leaves and dropping buds, thrives hydroponically. Its leaves are vibrant green, it blooms magnificently, and buds are plentiful. Everyone who has tried it praises it!

Hydroponics tips:

  • For hydroponically grown gardenias, it is best to use tap water that has been left to stand for a few days to lower its alkalinity;
  • Place a few rusty nails or pieces of iron in the hydroponics jar to supplement iron for the gardenia, reducing leaf yellowing.

25. Succulents

Plant succulents in water and they bounce back to plumpness instantly.

Damaged succulents in summer can recover beautifully when put in a yogurt jar filled with water for hydroponics. They quickly become full and juicy, even more beautiful than when in a flower pot!

Hydroponics tips:

  • When hydroponically growing, don’t let the water level get too high. It should be about 1-2 cm from the succulent leaves, as leaves soaked in water can easily rot;
  • Place your hydroponics in a well-lit area, giving them plenty of sun to prevent etiolation.

26. Zinnia

Zinnia

Even Zinnias can be grown hydroponically, and it’s never too late to start.

Zinnias are easy to grow, but they can suddenly succumb to black rot and are prone to elongate growth. Why not cut them and put them in a water bottle for hydroponics? They root quickly, and you won’t have to worry about black rot again.

Hydroponics tips:

  • Choose a narrow-mouthed bottle and change the water once a week;
  • Before and during the blooming period, spray some monopotassium phosphate on the leaves once every half a month for worry-free flowering.

27. Peace Lily

Peace Lily

After growing Peace Lily hydroponically, the flowers bloom more reliably.

Many people find Peace Lilies to be delicate, but in reality, they’re not difficult to grow hydroponically at all. Their leaves shine brightly, and they bloom even more successfully.

Hydroponics tips:

  • Place the Peace Lily in a spot with diffuse light at home when growing it hydroponically. If the leaves are large, it’s best to put some small stones in the bottle for balance;
  • No need to change the water too frequently. Once every 1-2 weeks is sufficient. Be careful to clean the root system when changing the water.

28. Dendrobium

Dendrobium

For those who like Dendrobiums but don’t know how to care for them, just place them in a water basin. There’s no need to worry about daily misting for moisture. Even the laziest person can grow a pot full of flowers.

Hydroponics tips:

  • The water in the bottle needs to be sufficient, it’s best to keep it above 2/3;
  • Hydroponics should be placed in a cool place. Dendrobiums prefer shade, they can’t handle strong light.

29. Clivia

Clivia can also be grown hydroponically, no longer need to worry about root rot. Look at those large white roots, truly irresistible!

Hydroponics tips:

  • Use a bottle with a big belly for hydroponics, if it’s too small, it could damage the root system;
  • Don’t change the water too frequently, once every 1-2 weeks is enough. When changing the water, clean the root system to maintain hygiene.

30. Mint

Mint tends to look ugly in the fall. You can cut it and grow it hydroponically, it’ll sprout new leaves within a week, rejuvenated!

Hydroponics tips:

  • Place the hydroponics in a well-lit area of your home to avoid elongated growth;
  • If you encounter a crooked branch, you can trim it off. It will sprout again. The more you prune, the more lush it will grow.

31. Fortune Plant

Fortune Plant

Most commonly, Fortune Plants are grown in pots, but they can also be grown in water bottles. Give it a try, it’s definitely more beautiful than when grown in soil!

Hydroponics tips:

  • It’s best to choose a short, fat pot for growing, which allows the leaves to spread outward. You can put some stones in the pot to stabilize it;
  • Fortune Plants have a long flowering period and require nutrient replenishment. You can raise a few small fish in the bottle, which will continually provide organic nutrients.

32. Cactus

Actually, it’s easiest to grow a cactus hydroponically. Just a little bit of water is enough, as it can survive on “water vapor”!

Cactus

Hydroponics tips:

  • You don’t need too much water, be sure not to soak the cactus;
  • Expose it to plenty of sunshine to avoid elongated growth, and avoid getting it wet to prevent black rot.

33. Begonia

Begonias can easily get overwatered too. For those who find it troublesome, you can try hydroponics, it will still bloom without much care.

Hydroponics tips:

  • Change the water every 5-7 days and clean the container when you do;
  • Add nutrient solution once a month to ensure normal blooming.

34. Tulip

Tulip

Bulbous flowers like tulips, which resemble “garlic”, can all be grown hydroponically. You don’t even need a flower pot, and the flowering period is much longer.

Hydroponics tips:

  • The water should be left out for a few days before use, and changed every 1-2 weeks after soaking;
  • Add a little nutrient solution one month after planting, which can help with blooming.

35. Amaryllis

Amaryllis

Amaryllis has an extraordinarily long flowering period. The bulbs are quite large and take up space in pots, so it’s better to grow them hydroponically, which doesn’t affect the blooming at all!

Hydroponics tips:

  • Before hydroponics, remove the shriveled root system first. Don’t add too much water, just enough to cover 1/2 of the bulb;
  • During hydroponics, change the water every 3-5 days. The water should preferably be aired out in advance. If possible, add nutrient solution once a month.

36. Daffodils

Just like “garlic”, daffodils can also be grown hydroponically. Grow a bunch in one dish and enjoy their uniform blooming~

Hydroponics tips:

  • For hydroponic daffodils, use a shallower container and place the bulbs on top. The water level should reach just half of the bulb;
  • In the cold winter, you can put some tissue paper in the container for insulation and humidity, to prevent the bulbs from freezing.

37. Victoria Amazonica

Victoria Amazonica

Victoria Amazonica is a plant of the Nymphaeaceae family. It is a famous aquatic ornamental plant with its large and unique disc-like leaves floating on the water, making it very spectacular.

It is known for its changing flower colors and strong fragrance. It blooms every summer.

38. Hornwort

Hornwort

Hornwort is a perennial submerged aquatic plant. Hornwort has no roots and the whole plant is submerged in water, so its growth is closely related to light. It can be placed in a fish tank and raised with goldfish.

Hornwort will produce a lot of oxygen, which will increase the amount of dissolved oxygen in the water when put into the fish tank, but do not put too much Hornwort.

39. Duckweed

Duckweed

Duckweed, also known as green duckweed, field duckweed, water duckweed, and waterweed, is a floating plant in the Araceae family. The leaf-like body is symmetrical, with a green surface, a light yellow or green-white or often purple back, and a whole edge.

It has 3 inconspicuous leaf veins; a white thread-like root is borne on the back; the leaf-like body has a sac on the back, and a new leaf-like body forms and floats out in the sac, which is connected to the mother body by a short handle and then falls off; the female flower has 1 ovule; the fruit is nearly top-shaped; the seed has a protruding endosperm and has longitudinal ribs.

40. Giant Salvinia

Giant Salvinia

Giant Salvinia, also known as big water fern, big leaf lotus, and water floating lotus, can grow very lush in the water, which is much easier for beginners to grow flowers.

The leaves of the Giant Salvinia are huge, and there is a layer of fluffy white hair on the surface of the leaf, which is highly ornamental.

Key Points for Maintaining Hydroponically Grown Plants:

  1. It’s best to remove the soil and wash the roots of the plants before starting the hydroponic growth. This can prevent the spread of pests and diseases.
  2. When caring for hydroponic plants, it’s important to change the water frequently. Initially, the plants are not used to the water and will produce a lot of mucus, which affects the water quality, so the water should be changed daily. Once the water no longer appears cloudy, you can change it about once a week, or you can simply add water to it.
  3. Hydroponically grown bulb plants should always be kept in cool, ventilated areas.
  4. If you’ve purchased special hydroponic nutrient solutions, be sure to use them appropriately, ensuring that the concentration is correct.

Advantages of Hydroponic Plants:

  1. Hydroponic plants are able to absorb harmful gases and attach dust to the surface of their leaves. Especially the root system of hydroponic plants has a stronger ability to absorb harmful gases.
  2. Due to their plant characteristics and ability to bind with minerals, hydroponic plants have a good filtering effect on improving indoor air quality.
  3. In the dry air of winter, keeping a few hydroponic plants can achieve both humidification and decoration at the same time.
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Peggie

Peggie

Founder of FlowersLib

Peggie was once a high school mathematics teacher, but she set aside her chalkboard and textbooks to follow her lifelong passion for flowers. After years of dedication and learning, she not only established a thriving flower shop but also founded this blog, “Flowers Library”. If you have any questions or wish to learn more about flowers, feel free to contact Peggie.

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