Spathiphyllum wallisii Diamond care guide

In this guide you'll learn: How to care for your Spathiphyllum wallisii Diamond plant and
answers to FAQs to keep your plant happy

In this guide you'll learn: How & where to buy this variegated peace lily, how to care for your plant and answers to FAQs to keep your plant happy

About the Spathiphyllum wallisii Diamond variegated peace lily

The Spathiphyllum wallisii Diamond is an incredibly beautiful variety of variegated peace lily, with specks and stripes of white and cream over the dark green foliage, bringing the classic charm of the peace lily to the room with spectacular variegation.

A highly sought-after and incredibly rare cultivar, this superbly variegated peace lily is easier to care for than most indoor plants, requiring nothing more than typical indoor conditions away from direct sunlight.

This flowering plant will be happy with once weekly watering, typical indoor humidity and indirect, dappled light. As a variegated variety, it may need more light than a typical green peace lily, but not much more.

Perfect for beginners, this tropical plant from Colombia and Venezuela proves to be no trouble and will reward you with moderate growth for up to five years, reaching up to 50cm in height and spread, with beautiful, long-lived white flowers twice each year.

Variegated Peace Lilies in the House & Office

Placing your variegated peace lily indoors is easy, as it will be happy with most indoor conditions so long as the light isn’t too strong.

Keep your lily within five feet of north, east or west facing windows, and five or more feet from south facing windows, moving it nearer or further away depending on both how strong the light is and how your plant reacts. Burning leaves, or browned edges suggest you should move the plant further from the light. A loss of variegation suggests you should move it further towards the light.

While this plant will be happy with most indoor climates, you should try to increase the humidity to above 50% for optimal growth, but it will survive a humidity level of 40%.

Interestingly, studies from NASA on the ability of certain plants to remove contaminants from the air. Alongside other air purifying plants, they concluded that the peace lily was among the best plants to improve indoor air quality, making this an excellent option for homes and offices.

Spathiphyllum wallisii Diamond Size

Height: 50cm / 19.6in / 1.6ft

Spread: 50cm / 19.6in / 1.6ft

Spathiphyllum Diamond Care

Light: Your plant should be kept away from direct light and will enjoy bright, indirect light. Consider that this plant would see light dappled by larger plants and trees in the wild, so will usually never experience very bright and direct sunlight.

Keep your plant within 5 feet of bright windows, except for south-facing windows where it should be kept 5 feet or further away. If the leaves begin to burn, move your plant further away. Variegated peace lilies require slightly more light than normal.

Soil: A moist but well-draining potting mix should be used to ensure that your plant doesn’t develop root rot. Mixing regular potting soil with perlite, orchid bark or gravel will increase drainage.

Watering: When the top inch of soil is dry, the plant should be watered. You should be able to limit watering to once per week, but should increase watering if the plant ever begins to droop.

Humidity: While peace lilies will survive in most indoor climates, a humidity of 40% is an ideal minimum, and a humidity of 50% or more is ideal for the best and fastest growth. You can raise the humidity by misting the plant daily, grouping it together with other plants or by sitting the pot on top of pebbles and water.

Feeding: Your spathiphyllum wallisii Diamond won’t feed too heavily, so you can limit plant food to just once every 6-8 weeks during spring and summer, with a typical liquid houseplant food.

Temperature: Typical indoor temperatures of at least 18°C / 64°F are fine for your plant, but it will be happy up to 28°C / 82°F. Don’t allow the temperature to approach freezing levels as this will begin to cause damage.

Ailments: Browning leaves suggest that the humidity level is too low and / or your plant is receiving too much sunlight. If the plant receives quite bright and direct light, move it further from the window, otherwise try increasing the humidity levels. Peace lilies can also become infested with aphids or spidermites, which can be removed by spraying daily with either an oil and water solution, or a detergent and water solution.

Further care: Prompt the reader to read our full care guide for this plant to help it thrive.

Where To Buy Spathiphyllum wallisii Diamond Online

  • Ebay (UK) / (USA)
  • Etsy
  • Bloombox Club (UK) / (USA)
  • Local Facebook Groups

The Spathiphyllum wallisii Diamond variegated peace lily is exceptionally rare and you are only likely to find it available at rare plant stores online and not in garden centres or shops. 

It may be best to try sites such as Ebay and Etsy, where you can often choose the exact plant you receive.

Always make sure to check reviews and feedback, as well as return / refund policies. Always buy from a seller with positive ratings and a reliable history.

Regardless of where you buy your plant from, don’t settle for a damaged, infected or infested plant. If you are at all unhappy, you should complain and start the process to return your plant. If you do decide to keep an infected or infested plant, do not introduce it to your other plants until you are confident that it has been successfully treated.


Are variegated peace lilies rare?

These are exceptionally rare plants. The Spathiphyllum Diamond is a cultivar of the peace lily that is not found in the wild, and most garden centres, plant shops and even online sellers of rare plants do not have this plant for sale. While these are incredibly rare, there is surprisingly little demand for variegated peace lilies – likely because there is very little awareness of them – so prices are not generally too expensive (although they are still more expensive than regular peace lilies).

How do I make my peace lily variegated?

It is not possible to take a regular peace lily and variegate it. Variegation is a genetic trait and plants either are or are not variegated from the moment they sprout from the seed. If you want to increase the variegation of a variegated plant, you can provide it with more light, as this usually brings out more and stronger flecks and stripes of white and cream.

How do you take care of a variegated peace lily plant?

The only difference in plant care between this and a regular green peace lily, is that variegated peace lilies require a little more light. Humidity, soil, temperature and watering regularity are the same, but variegated plants simply require more sunlight because there is less chlorophyll in the leaves to create energy, so the parts that are green require more light to keep the plant alive.


Incredibly unique, tropical foliage with fenestrated splits and holes and a climbing nature make this a very well sought-after plant for bringing a jungle theme into the home or office. Rare even in the wild, some species can be surprisingly easy to care for if its basic needs are met. Variegated plants can be extremely valuable.

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About the Author

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Plant-lover with a life-goal to buy land across the UK to plant his own forest, James specialises in horticulture and botanical research, and has been growing and rewilding forests with trees, including endangered species, for over 15 years. He is an avid gardener, allotment owner, and aids in the running of a carbon neutral initiative in companies across the UK.

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