If you love houseplants but struggle with soil, you have a fantastic option. Growing a peace lily in water is a simple and beautiful way to enjoy this classic plant. It eliminates the mess of dirt and can make care much easier. This method showcases the plant’s elegant roots and glossy leaves in a whole new way. Let’s look at how you can succeed with this aquatic approach.
Peace Lily In Water
You might be surprised to learn that peace lilies adapt well to life in water. They are not true lilies but are from the Araceae family, which includes many plants that thrive in moist conditions. This hydroculture method means you skip potting mix entirely. Instead, the plant’s roots live directly in water, getting nutrients from a liquid solution. It creates a clean, modern look that’s perfect for any room.
Why Choose a Water-Based Peace Lily?
There are several great reasons to try this. First, it’s incredibly tidy—no more soil spills on your furniture or floor. It also removes the guesswork from watering. You’ll never overwater or underwater in the traditional sense. Pests like fungus gnats, which breed in soil, are no longer a problem. Plus, the visible root system becomes a living part of the display. It’s a fascinating and low-maintenance way to grow plants.
What You’ll Need to Get Started
Gathering the right supplies from the begining sets you up for success. You don’t need anything too fancy. Here’s a basic list:
- A healthy peace lily plant (or a division from an existing one)
- A clean glass vase, jar, or other transparent container
- Purified, distilled, or rainwater (tap water can work if left to sit out for 24 hours)
- Liquid hydroponic fertilizer
- Decorative stones, glass beads, or leca (clay pebbles) for support (optional)
- A small brush or cloth for cleaning
Step-by-Step: Converting Your Peace Lily to Water
Follow these steps to carefully transition your plant. Rushing this process can shock the plant, so take your time.
- Remove the Plant: Gently take the peace lily out of its pot. Be careful not to damage the main root ball.
- Clean the Roots: This is the most important step. Slowly and patiently wash all the soil away from the roots under lukewarm running water. You might need to soak the rootball first to loosen hard soil.
- Prune if Needed: Use clean scissors to trim any roots that are black, mushy, or excessively long. Also remove any leaves that are yellowing or damaged.
- Choose Your Container: Select a vase that comfortably fits the roots. The neck should be narrow enough to support the plant’s base, keeping the leaves above the rim.
- Add Support (Optional): Place a layer of clean stones or leca at the bottom of the vase. This helps stabilize the plant and allows for better air circulation around the roots.
- Position the Plant: Set your peace lily into the container. Gently spread out the clean, white roots.
- Add Water: Pour in your prepared water. Only submerge the roots—the base of the stems and all leaves must remain completely dry and above the water line to prevent rot.
Choosing the Best Water
Peace lilies can be sensitive to chemicals in tap water, like chlorine and fluoride. These can cause brown leaf tips. For best results, use filtered, distilled, or collected rainwater. If you use tap water, fill your container and let it sit uncovered for at least 24 hours. This allows some of the chemicals to dissipate before you add your plant.
Ongoing Care and Maintenance
Caring for a peace lily in water is straightforward once you know the routine. The key tasks are refreshing the water and providing nutrients.
- Water Changes: Replace the water completely every two to three weeks. This prevents the buildup of algae and bacteria. When you change the water, rinse the roots gently and clean the inside of the vase to keep it clear.
- Fertilizing: Since there’s no soil, you must add nutrients. Use a balanced, water-soluble hydroponic fertilizer. Add it at half the recommended strength every time you change the water, or as directed on the bottle. Over-fertilizing is a common mistake.
- Light: Provide bright, indirect light. A north or east-facing window is ideal. Direct afternoon sun will scorch the leaves and can overheat the water in the vase.
- Leaf Care: Wipe the leaves with a damp cloth every so often to remove dust. This helps the plant breathe and photosynthesize efficiently. Trim any brown leaf tips with clean scissors, cutting at an angle to follow the leaf’s natural shape.
Troubleshooting Common Issues
Even with easy care, you might encounter a few problems. Here’s how to fix them.
Yellowing Leaves
This can have a couple causes. Old leaves will naturally yellow and die off—just prune them. If many leaves are yellowing, it’s often due to too much fertilizer. Do a water change with plain, clean water and hold off on fertilizer for a month. It could also be a sign of too much direct light.
Brown Leaf Tips
This is almost always related to water quality. It indicates a reaction to chemicals or salts in the water. Switch to distilled or rainwater for a while, and consistently trim the brown tips. The new growth should come in green.
Algae Growth
Algae appears as a green film on the vase or roots. It’s not usually harmful but is unsightly. To prevent it, use an opaque container or keep your clear vase out of direct sunlight. Clean the vase thoroughly during each water change. A few decorative stones can also help shade the roots.
Root Rot
If roots become soft, slimy, and brown or black, they are rotting. This happens if the crown (base) of the plant is submerged. Immediately remove the plant, cut away all affected roots with sterile tools, and place it in fresh water. Ensure only the roots are underwater.
Propagating Your Water Peace Lily
The easiest way to get more plants is by division. When your peace lily gets too large for its vase, you can split it. Carefully remove the plant and gently seperate the root clump into smaller sections, each with several leaves and healthy roots. You can then pot each new division into its own water vase. It’s a great way to share plants with friends.
FAQ About Peace Lilies in Water
Can any peace lily live in water?
Most varieties can adapt, but it’s easiest to start with a young plant or a division. Mature, soil-grown plants require very thorough root cleaning.
How often should I add fertilizer?
A little goes a long way. Add a diluted liquid hydroponic fertilizer every 2-4 weeks during the growing season (spring and summer). Reduce or stop in fall and winter when the plant isn’t actively growing.
Why isn’t my peace lily flowering?
Peace lilies need sufficient light to produce their white blooms (which are actually a specialized leaf called a spathe). If it’s in low light, it will grow leaves but may not flower. Also, ensure you are providing a small amount of fertilizer. Be patient, as it may take time for a newly converted plant to bloom.
Can I use a completely opaque container?
Yes, you can. While clear glass is popular for showing off the roots, an opaque vase will help prevent algae growth. Just be sure to check root health during your regular water changes.
What’s the biggest mistake people make?
The two biggest errors are using full-strength fertilizer, which burns the roots, and submerging too much of the plant’s stem. Always keep the base and leaves high and dry.
Growing a peace lily in water is a rewarding project that simplifies plant care. With clean roots, regular water changes, and modest feeding, your aquatic peace lily can thrive for years. It offers a unique, soil-free way to enjoy the clean air and serene beauty these plants are known for. Give it a try and see how straightforward it can be.