GrowSabz
🌸 Houseplant · Flowering-Foliage

How to grow peace lily in pots

Also called Spathiphyllum, White Sails, Spathe flower, spath · Spathiphyllum wallisii

پیس للی

☀️ Sunlight
2–2hours daily
💧 Water
0.3 Levery 7 days, 5 L pot
🌡️ Ideal temp
18–29°C
🪴 Min pot
5 L15 cm deep
🧺 Harvest
365days from sowing

Peace Lily is a long game. From seed it takes 1-2 years (for flowering) before you see a harvest, which is why most growers start from a nursery plant. Container growing is entirely possible, but the container has to be sized for a plant that will live in it for years.

Short answer

Grow peace lily in a 5 litre container at least 15 cm deep, watering about 500 ml per 10 litres of soil every 7 days, and keep temperatures between 18 and 29 °C. First harvest comes 365 days after sowing.

Where to plant it

What size pot does peace lily need?

5 litres and 15 cm deep is the realistic minimum for a single plant. Pick a container below to see what changes.

Pick your container
Minimum size
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Minimum depth
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Water each time
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Expected yield
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Calculate how much water peace lily needs in your potYour container size and today's weather, answered in millilitres
Minimum container sizes for peace lily
ContainerMinimum sizeDepthNotes
Pot 5 L 15 cm Ensure good drainage
Grow bag 5 L 15 cm Good for aeration
Open ground — — Not suitable for outdoor ground planting in most climates
Raised bed — — Not typically grown in raised beds

Watering

How often should you water peace lily?

Every 7 days through the growing season, at about 500 ml per 10 litres of soil — every 4 days in hot weather, every 10 days when it turns cool. Water at morning. Bottom watering or top watering until drainage works best.

Too little water

  • drooping leaves
  • yellowing leaves
  • brown leaf tips

Too much water

  • yellowing leaves
  • mushy stem
  • root rot
  • stunted growth

Avoid: standing water; completely dry soil; direct water on flowers.

Climate

Can you grow peace lily where you live?

No hardiness zone needed — compare your actual temperatures against the plant's own limits.

Peace Lily temperature thresholds
Ideal range18 – 29 °C
Survives10 – 32 °C
Germinates above20 °C — best at 25 °C, about 30 days
Flowers dropabove 30 °C, or below 15 °C
FrostHighly sensitive — will not survive it

The flower-drop thresholds matter more than the survival ones. A plant can be perfectly alive at 32 °C and still give you nothing.

How cold is too cold for peace lily? Check your temperaturesEnter your night low and day high — see if it survives, and if it will crop

Timeline

Peace Lily growing stages, day by day

Click any stage to see what's happening. Durations shift with temperature — a warm season runs roughly a quarter faster than a cool one.

Day 0 · sowing
🌱

Feeding

Fertiliser schedule for peace lily

Feed on the interval below, changing what you give as the plant shifts from making leaves to making fruit.

StageWhat to usePer 10 LEvery
How to prepare each feed

Common mistakes

Why peace lily fails, and how to avoid it

  1. A container that is too small

    Below 5 litres the root run is too shallow. The plant grows, flowers late, and drops whatever it sets because it cannot support the crop.

  2. Watering too lightly

    A daily splash wets the top few centimetres and nothing else. Peace Lily wants about 500 ml per 10 litres of soil — one deep soak beats three shallow ones.

  3. Ignoring the flower-drop threshold

    Above 30 °C, or below 15 °C, flowers fall before setting. The plant can look perfectly healthy and still give you nothing — shade it through the hottest hours.

  4. Harvesting too late

    Left too long the colour changes, seeds harden and the flavour sharpens. Pick on the signs listed below, not on the calendar.

  5. Planting it beside Cactus Succulents

    Require very different care: high light, low humidity, and infrequent watering, which are opposite to Peace Lily's needs.

  6. Leaving it out through a cold snap

    Peace Lily is highly frost-sensitive. One night below 10 °C can end the plant outright — bring containers in or cover them.

Companions

What to plant with peace lily

Good neighbours

Pothos

Thrives in similar indirect light and humidity conditions, and is known for air purification.

Shares similar care requirements (indirect light, consistent moisture) and contributes to indoor air quality.

Snake Plant

Excellent air purifier, tolerates lower light, and can create a visually appealing contrast with Peace Lily's broad leaves.

Ferns

Many ferns (e.g., Boston Fern) prefer high humidity, which can benefit Peace Lilies when grouped together, creating a microclimate.

Keep apart from

Cactus Succulents

Require very different care: high light, low humidity, and infrequent watering, which are opposite to Peace Lily's needs.

High Light Plants

Plants that require direct or very bright light will not thrive in the indirect, lower light conditions preferred by Peace Lilies.

Heavy Feeders

Plants that are heavy feeders will quickly deplete nutrients in shared soil, leaving Peace Lily undernourished.

Problems

Peace Lily pests and diseases

Each lists the weather that brings it on, so you know when to start checking rather than reacting once it's established.

Spider Mites humidity <50% · temp >25

Tiny pests that cause stippling on leaves and fine webbing, especially in dry, warm conditions. Increase humidity and wipe leaves.

VegetativeFlowering
Mealybugs humidity any · temp any

White, cottony masses found in leaf axils and undersides of leaves. Dab with alcohol-soaked cotton swab.

VegetativeFlowering
Fungus Gnats humidity >70% · temp 18-24

Small, dark flying insects often seen around the soil surface, indicating overwatering. Let soil dry out between waterings.

VegetativeFlowering
Root Rot humidity any · temp any

Caused by overwatering and poor drainage. Leaves yellow, droop, and plant eventually dies. Ensure proper drainage and allow topsoil to dry slightly.

VegetativeFlowering
Leaf Tip Burn humidity <60% · temp >28

Brown tips on leaves, often due to low humidity, over-fertilization, or fluoride/chlorine in tap water. Use filtered water and increase humidity.

VegetativeFlowering
Yellowing Leaves humidity any · temp any

Lower leaves yellowing can indicate over/underwatering, nutrient deficiency, or natural aging. Assess watering habits and light.

VegetativeFlowering
Brown Spots humidity any · temp any

Can be caused by direct sunlight (sunburn), fungal infections (if humidity is too high without air circulation), or cold drafts.

VegetativeFlowering
Lack Of Flowers humidity any · temp any

Commonly due to insufficient light, inconsistent watering, or lack of proper fertilization. Ensure bright, indirect light and consistent care.

Flowering
Drooping Leaves humidity any · temp any

Most often a sign of underwatering (soil too dry), but can also be overwatering (root rot), or temperature shock. Check soil moisture first.

VegetativeFlowering

Harvest

When to harvest peace lily

How to tell it's ready

  • Spathe turns green or brown
  • Leaves turn yellow or brown

How much to expect

10L pot
0 kg
20L pot
0 kg
30L pot
0 kg
Open ground
0 kg

Storing it: Not applicable (pruning for plant health)

Questions

Peace Lily: common questions

How long does peace lily take to grow?

About 365 days from sowing to the first harvest. Warm weather pulls that forward; cool weather pushes it back.

What size pot does peace lily need?

At least 5 litres and 15 cm deep for one plant.

How often should I water peace lily?

About 500 ml per 10 litres of soil, every 7 days in normal weather — every 4 days when it is hot and every 10 days when cool. Water in the morning.

What temperature does peace lily need?

It does best between 18 °C and 29 °C and survives from 10 °C to 32 °C. Seed needs soil above 20 °C to germinate, ideally around 25 °C.

Can I grow peace lily in winter?

Not outdoors anywhere that frosts — it is highly frost-sensitive and will not survive it. In a frost-free winter it grows slowly; anywhere colder, treat it as a warm-season crop.

How do I know when peace lily is ready to harvest?

Spathe turns green or brown; Leaves turn yellow or brown. Once picked: not applicable (pruning for plant health)