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You can grow calla lily in water, and it’s a surprisingly elegant and low-maintenance way to enjoy these stunning flowers indoors.
Growing calla lily in water means skipping the soil entirely and letting the roots thrive in a clean, shallow container filled with fresh water.
If you’ve been wondering how to grow calla lily in water successfully, you’re in the right place because this method works beautifully with the right setup.
In this post, we’ll walk you through exactly how to grow calla lily in water, from picking the right bulbs to keeping the water fresh and preventing common issues.
Let’s dive into the world of water-grown calla lilies and get your blooms thriving.
Why You Can Grow Calla Lily In Water
Calla lilies are naturally semi-aquatic plants in the wild, which means they’re already adapted to damp, marshy conditions.
This makes them perfect candidates for water culture, especially if you don’t have the patience for messy potting soil.
When you grow calla lily in water, you mimic their native habitat, and the roots easily adapt to absorbing moisture and nutrients straight from the liquid.
Here’s a closer look at why this method works so well and how to make it a success.
1. The Rhizome Is Built For Moisture
Calla lilies grow from rhizomes, which are thick, fleshy roots that store water and energy.
These rhizomes naturally seek out moisture, so placing them in water feels like a homecoming for the plant.
When you grow calla lily in water, the rhizome stays hydrated and pushes out healthy roots much faster than in dry soil.
That’s why many gardeners switch to water when they want quicker growth and bigger blooms.
2. You Skip The Risk Of Overwatering
Ironically, the biggest problem with calla lilies in soil is overwatering, which causes rot.
But when you grow calla lily in water, you control the exact moisture level, and there’s no chance of drowning the roots.
The water delivers oxygen and hydration evenly, so the plant stays balanced without the guesswork.
This is especially helpful for beginners who tend to water too often or too little.
3. It’s A Clean And Modern Display
Growing calla lily in water also looks stunning because you can see the white, tangled roots through the glass.
A clear vase or jar turns your plant into a living piece of art, and it’s a conversation starter for any room.
Plus, there’s no soil dust, bugs, or mess, just clean water and gorgeous foliage.
How To Grow Calla Lily In Water: Step-By-Step
Now that you know the why, let’s get into the how, because growing calla lily in water isn’t complicated, but it does follow a few simple rules.
Follow these steps, and you’ll have healthy, blooming calla lilies in no time.
Step 1: Choose The Right Rhizome
Start with a healthy, firm calla lily rhizome from a nursery or online store.
Look for ones that aren’t shriveled, mushy, or showing signs of mold.
The bigger the rhizome, the more energy it has to produce roots and flowers when you grow calla lily in water.
So pick plump, heavy rhizomes for the best results.
Step 2: Pick A Suitable Container
Grab a glass vase, a mason jar, or any shallow container that’s about 6–8 inches deep.
The opening should be wide enough to hold the rhizome without it falling in entirely.
You want the bottom half of the rhizome submerged in water, but the top half should stay above the waterline to prevent rot.
A clear container is best so you can monitor root growth and water levels easily.
Step 3: Use Fresh, Clean Water
Fill your container with room-temperature tap water that’s been left out for 24 hours to let chlorine evaporate.
Alternatively, use filtered or rainwater, which is even gentler on the plant.
When you grow calla lily in water, the water quality directly affects root health, so always start with fresh, clean liquid.
Change the water every 5–7 days to prevent bacteria and algae from building up.
Step 4: Position The Rhizome Properly
Place the rhizome in the container with the pointed side facing up and the flat side down.
Allow the bottom inch to touch the water, and as roots grow, they’ll naturally reach down deeper.
Keep the water level low at first, and only add more as roots develop.
This prevents the top of the rhizome from sitting in water, which causes rot.
Step 5: Provide Bright, Indirect Light
Calla lilies love light, but direct sun can heat the water and cook the roots.
Place your container near a bright window with filtered sunlight or a few feet away from a sunny spot.
If you grow calla lily in water indoors, a north or east-facing window works great.
Rotate the container every few days so the plant grows straight and even.
Step 6: Add Liquid Fertilizer Sparingly
Water alone doesn’t have enough nutrients to keep calla lilies blooming for months.
Once roots are established (about 2–3 weeks), add a few drops of balanced liquid fertilizer to the water.
Use a 10-10-10 fertilizer diluted to half strength, and only feed every 4–6 weeks.
Too much fertilizer in water can burn the roots, so less is always more when you grow calla lily in water.
Common Mistakes When You Grow Calla Lily In Water
Even with the best intentions, a few errors can stop your calla lily from thriving in water.
Here’s what to avoid so your plant stays happy and healthy.
1. Submerging The Entire Rhizome
If you completely dunk the rhizome under water, it will suffocate and rot within days.
Remember, only the roots and the very bottom of the rhizome should touch water.
The top needs to breathe air, so always keep that balance when you grow calla lily in water.
2. Using Cold Or Chlorinated Water
Cold water shocks the rhizome, and chlorinated water kills beneficial microbes.
Always use lukewarm or room-temperature water, and let it sit out overnight before adding it.
This small step makes a huge difference in root development.
3. Letting Algae Take Over
Algae grows quickly in sunny spots, turning your water green and stealing oxygen from the roots.
To prevent this, change the water regularly and keep the container out of direct sunlight.
You can also use an opaque vase, but then you lose the beauty of seeing the roots.
So just stay on top of water changes, and you’re fine.
4. Skipping The Dormancy Period
After blooming, calla lilies need a rest period, even in water.
Once the flowers fade and leaves yellow, stop fertilizing and reduce water levels.
Let the plant die back naturally, then store the rhizome dry for 8–10 weeks.
After that, you can start the process again and grow calla lily in water for another round of blooms.
So, How To Grow Calla Lily In Water Successfully?
You can definitely grow calla lily in water, and it’s a rewarding, soil-free way to enjoy these elegant flowers.
The key is to keep the rhizome half-submerged, change the water weekly, and provide bright, indirect light.
Add a little fertilizer every few weeks, watch for algae, and give your plant a dormancy break after blooming.
As long as you respect the plant’s natural rhythm, you’ll have stunning calla lilies growing right in a glass vase.
So go ahead, grab a rhizome, find a nice jar, and start your water-growing adventure today.
Hope this guide helps you grow calla lily in water with confidence and joy.