Light
Bright, indirect
Ideal spot
Spathiphyllum 'Mauna Loa' · Aroid
Bright, indirect
Ideal spot
about weekly
In the growing season
Easy
Moderate grower
Toxic
Cats & dogs
Mauna Loa Peace Lily (Spathiphyllum 'Mauna Loa') belongs to the Araceae family and is a easy houseplant to look after. This moderate grower plant is happiest in bright, indirect and reaches 40–100 cm indoors.
For watering, the rule is simple: let the top dry out. In the growing season it needs water roughly every 6 days, dropping to every 12 days in winter. Use the watering calculator below to tune that rhythm to your pot size, light and household humidity.
Important: Mauna Loa Peace Lily is toxic to pets — keep it out of reach of cats, dogs and children.
Set your pot size, light and humidity — the calculator tunes the watering rhythm to your home.
Light at the spot
Humidity
Season
Water Mauna Loa Peace Lily
every 6 days
≈ about weekly · 5× per month
Let the top 2–3 cm dry and finger-check before watering again.
Mauna Loa Peace Lily prefers bright, indirect but will cope with low light. Harsh midday sun can scorch sensitive leaves, while too little light leads to leggy, sparse growth.
Keep Mauna Loa Peace Lily between 18–27 °C and aim for around 55% humidity (40% minimum). Below 12 °C it risks cold damage — keep it away from draughty windows and radiators.
18–27 °C
Not below 12 °C
55%
40% minimum
Let the top dry out
Soil between waterings
Pot Mauna Loa Peace Lily in chunky, airy aroid mix (bark, perlite, coco coir). A drainage hole is essential — soggy, airless soil is the single most common way houseplants die.
Contains insoluble calcium oxalate crystals. Chewing causes intense oral burning, drooling and swelling in cats, dogs and people. Keep out of reach.
The best ways to propagate Mauna Loa Peace Lily are stem cuttings, water-rooting nodes, division and air layering. Late spring and summer are ideal, when the plant is growing most actively.
A peace lily dramatically wilts when thirsty and bounces back within hours of watering — a built-in reminder that makes it forgiving for beginners.
In the growing season Mauna Loa Peace Lily needs watering about weekly (about every 6 days in a 16 cm pot at medium light), and much less in winter — roughly every 12 days. Use the watering calculator above to get the exact interval for your conditions.
Mauna Loa Peace Lily thrives in bright, indirect. A spot near a bright window out of harsh midday sun is ideal; give it a little more light in winter.
Mauna Loa Peace Lily is toxic to pets. Contains insoluble calcium oxalate crystals. Chewing causes intense oral burning, drooling and swelling in cats, dogs and people. Keep out of reach.
The most common problem with Mauna Loa Peace Lily is root rot from overwatering. Check your watering and drainage first — most issues trace back to too much or too little water.
The best ways to propagate Mauna Loa Peace Lily are stem cuttings, water-rooting nodes, division and air layering. Late spring and summer are ideal, when the plant is growing most actively.
Indoors Mauna Loa Peace Lily typically reaches 40–100 cm. With the right light and occasional repotting it stays compact and bushy.
Care data last verified on 15 June 2026.
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