Watering schedule

How often to water Fishtail Parlour Palm (Chamaedorea ernesti-augusti) — the schedule

Also called Fishtail Parlour Palm, Ernest August's Palm, Xate Palm, Broad-leaf Lady Palm.

More about fishtail parlour palm

Watering at a glance

Base rhythm	Every 7–10 days in spring and summer; every 14–21 days in autumn and winter
Spring / summer	Spring and summer: keep evenly moist, watering when the top 2-3 cm is dry — typically every 7–10 days.
Autumn	Autumn: let the top third dry between waterings as growth slows.
Winter	Winter: water less and check deeper before pouring; cold wet roots invite rot.
Light	Low light (north window or shaded room)

About Fishtail Parlour Palm

Chamaedorea ernesti-augusti · also called Fishtail Parlour Palm, Ernest August's Palm · houseplant

A distinctive, slow-growing understorey palm from the tropical forests of Mexico, Belize, and Guatemala, notable for its unusual simple, undivided leaves (rather than feathery fronds) that are deeply notched at the tip, giving them a two-lobed fishtail shape. It is highly shade-tolerant and compact, making it well-suited to low-light indoor rooms and conservatories. Temperature must stay above 10°C at all times — sudden cold draughts cause irreversible frond damage. Chamaedorea ernesti-augusti is considered non-toxic to cats and dogs.

Ideal humidity: 50–70%

Watch for — Spider mites: The most common pest, especially in warm, dry conditions; look for pale yellow stippling and fine webbing on frond undersides, and treat promptly with neem oil or insecticidal soap as populations escalate quickly indoors.

The watering schedule, season by season

Fishtail Parlour Palm wants steady, even moisture — it resents both a bone-dry rootball and a swampy pot, and is sensitive to salt build-up. The base rhythm for fishtail parlour palm is every 7–10 days in spring and summer; every 14–21 days in autumn and winter, 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: keep evenly moist, watering when the top 2-3 cm is dry — typically every 7–10 days.
Autumn (slowing down): Autumn: let the top third dry between waterings as growth slows.
Winter (rest / dormancy): Winter: water less and check deeper before pouring; cold wet roots invite rot.

Allow the top 2–3 cm of compost to dry before watering; it is somewhat more drought-tolerant than Chamaedorea elegans but still susceptible to root rot if overwatered.

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 fishtail parlour palm in seconds.

How to tell fishtail parlour palm needs water

A calendar is the worst way to water fishtail parlour palm. 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.
Fronds lose a little of their arch or sheen.
The pot feels lighter than just after watering.

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 fishtail parlour palm for a day is almost always safer than over-watering it.

Overwatering vs underwatering fishtail parlour palm

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

Signs you are overwatering

Yellowing fronds with a constantly wet, heavy pot.
Mushy base and a sour soil smell.
Lower fronds collapsing in numbers.

Signs you are underwatering

Crispy brown frond tips and edges (also worsened by salty tap water).
Whole lower fronds going crispy and dry.

Both extremes punish fishtail parlour palm: a dried-out rootball browns the frond tips permanently, while a constantly wet pot rots the roots. Aim for the steady middle.

Water quality notes

Palms are salt-sensitive — use filtered or rainwater if your tap water is hard, and flush the pot occasionally to leach out mineral build-up that browns frond tips.

Seasonal and environmental adjusters

Every figure above shifts with the conditions in your home. For fishtail parlour palm, the levers that matter most are:

Higher humidity slows drying and reduces frond-tip browning.
A larger pot of mix holds moisture longer — adjust the interval to the pot, not the calendar.
Flush thoroughly every month or two to wash out accumulated salts.

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 fishtail parlour palm.

Fishtail Parlour Palm watering — frequently asked questions

How often should I water fishtail parlour palm?

Water fishtail parlour palm every 7–10 days in spring and summer; every 14–21 days in autumn and winter. Spring and summer: keep evenly moist, watering when the top 2-3 cm is dry — typically every 7–10 days. Winter: water less and check deeper before pouring; cold wet roots invite rot.

How do I know when fishtail parlour palm needs water?

The top 2-3 cm of soil is dry to the touch. Fronds lose a little of their arch or sheen. The pot feels lighter than just after watering. The single most reliable test for fishtail parlour palm is the first signal on that list — checking the soil or the plant directly always beats watering by the calendar.

What does an overwatered fishtail parlour palm look like?

Yellowing fronds with a constantly wet, heavy pot. Mushy base and a sour soil smell. Lower fronds collapsing in numbers. Both extremes punish fishtail parlour palm: a dried-out rootball browns the frond tips permanently, while a constantly wet pot rots the roots. Aim for the steady middle.

What are the signs of an underwatered fishtail parlour palm?

Crispy brown frond tips and edges (also worsened by salty tap water). Whole lower fronds going crispy and dry.

Can I use tap water on fishtail parlour palm?