Watering schedule

How often to water Aglaonema Cutlass (Aglaonema commutatum 'Cutlass') — the schedule

Also called Cutlass Chinese evergreen.

More about aglaonema cutlass

Watering at a glance

Base rhythm	When the top 3-5 cm of soil is dry, roughly every 7-12 days
Spring / summer	Spring and summer: water when the top of the soil is dry to roughly a knuckle deep — typically every 7-12 days.
Autumn	Autumn: growth slows, so stretch the interval and let it dry a little more between waterings.
Winter	Winter: water noticeably less — often half as often — because low light and dormancy slow water use right down.
Light	Medium indirect light (a couple of metres from a window)

About Aglaonema Cutlass

Aglaonema commutatum 'Cutlass' · also called Cutlass Chinese evergreen · tropical

Aglaonema 'Cutlass' is a Chinese evergreen with distinctive narrow, lance-shaped leaves in silvery-green feathered with darker green margins, giving an airy, fern-like look. It shares the genus's tough, low-light tolerance and drought resilience, making it a sleek, forgiving houseplant. Like all Aglaonema, it is toxic to pets via calcium oxalate crystals.

Ideal humidity: 40-60%

Watch for — Brown, crispy leaf tips: The narrow leaves show dry air, salt buildup or over-feeding readily. Raise humidity, use filtered water and flush the soil to clear salts.

The watering schedule, season by season

Aglaonema Cutlass likes a soak-then-partly-dry rhythm — let the top of the soil dry before watering again, and never leave it standing in water. The base rhythm for aglaonema cutlass is when the top 3-5 cm of soil is dry, roughly every 7-12 days, but the real interval moves with the season, the light and the pot — so treat the figures below as a starting point and always confirm with the plant itself.

Spring & summer (active growth): Spring and summer: water when the top of the soil is dry to roughly a knuckle deep — typically every 7-12 days.
Autumn (slowing down): Autumn: growth slows, so stretch the interval and let it dry a little more between waterings.
Winter (rest / dormancy): Winter: water noticeably less — often half as often — because low light and dormancy slow water use right down.

Water thoroughly once the upper third has dried, then let it drain freely. The narrow leaves lose a touch more moisture than broad-leaved types, but it still prefers slightly dry to soggy. Cut back sharply in winter and low light.

Want this turned into a live reminder that adjusts to your home and the weather? The Growli watering calculator takes your pot size, light and season and returns a starting interval for aglaonema cutlass in seconds.

How to tell aglaonema cutlass needs water

A calendar is the worst way to water aglaonema cutlass. Check the plant and the soil instead — for this species, look for these signals in order:

The top 2-3 cm of soil is dry to the touch (or a knuckle-deep finger test comes back dry).
Lifting the pot, it feels distinctly light.
Leaves droop slightly or lose a little of their gloss just before they truly need water.

The most reliable single check is the first one on that list. When two signals agree, water; when they disagree, wait a day and look again — under-watering aglaonema cutlass for a day is almost always safer than over-watering it.

Overwatering vs underwatering aglaonema cutlass

The two failure modes can look alike at a glance, so check the soil weight and wetness before you decide. For aglaonema cutlass specifically:

Signs you are overwatering

Yellowing lower leaves and a pot that stays wet and heavy for days.
Soft, brown, mushy stems or a sour soil smell — root rot.
Fungus gnats breeding in permanently damp soil.

Signs you are underwatering

Drooping, curling leaves with crispy brown edges that perk up after watering.
The rootball shrinks away from the pot and water runs straight down the sides.
Slow growth and a generally tired, washed-out look.

Watering aglaonema cutlass on a fixed weekly calendar regardless of season is the most common mistake — in dim winter light the same routine drowns it. Check the soil, not the date.

Water quality notes

Tap water is generally fine for aglaonema cutlass. If your water is very hard and you see brown leaf tips, switch to filtered or rainwater.

Seasonal and environmental adjusters

Every figure above shifts with the conditions in your home. For aglaonema cutlass, the levers that matter most are:

More light and warmth speed drying; the brighter the spot, the shorter the real interval.
Pot size and material matter — small terracotta pots dry far faster than large glazed or plastic ones.
Lifting the pot to feel its weight is more reliable than any calendar for judging when to water.

Pot choice is part of this too — work out the right size with the pot size calculator, since a pot that is too big stays wet long enough to rot the roots of aglaonema cutlass.

Aglaonema Cutlass watering — frequently asked questions

How often should I water aglaonema cutlass?

Water aglaonema cutlass when the top 3-5 cm of soil is dry, roughly every 7-12 days. Spring and summer: water when the top of the soil is dry to roughly a knuckle deep — typically every 7-12 days. Winter: water noticeably less — often half as often — because low light and dormancy slow water use right down.

How do I know when aglaonema cutlass needs water?

The top 2-3 cm of soil is dry to the touch (or a knuckle-deep finger test comes back dry). Lifting the pot, it feels distinctly light. Leaves droop slightly or lose a little of their gloss just before they truly need water. The single most reliable test for aglaonema cutlass is the first signal on that list — checking the soil or the plant directly always beats watering by the calendar.

What does an overwatered aglaonema cutlass look like?

Yellowing lower leaves and a pot that stays wet and heavy for days. Soft, brown, mushy stems or a sour soil smell — root rot. Fungus gnats breeding in permanently damp soil. Watering aglaonema cutlass on a fixed weekly calendar regardless of season is the most common mistake — in dim winter light the same routine drowns it. Check the soil, not the date.

What are the signs of an underwatered aglaonema cutlass?

Drooping, curling leaves with crispy brown edges that perk up after watering. The rootball shrinks away from the pot and water runs straight down the sides. Slow growth and a generally tired, washed-out look.

Can I use tap water on aglaonema cutlass?