Watering schedule

How often to water Flat-Leaved Crassula (Crassula platyphylla) — the schedule

Also called Burgundy Crassula, Flattened Jade, Red Pancake Crassula.

More about flat-leaved crassula

Watering at a glance

Base rhythm	When the top 3-5 cm of soil is dry, approximately every 10-14 days in summer
Spring / summer	Spring and summer: soak fully, then leave it alone until the soil is dry all the way down — usually around every 10-14 days.
Autumn	Autumn: ease off as growth slows; stretch the gap noticeably longer than the summer rhythm.
Winter	Winter: water sparingly, roughly once a month or even less in a cool room. The thick leaves carry it through.
Light	Bright indirect light (just back from a sunny window)

About Flat-Leaved Crassula

Crassula platyphylla · also called Burgundy Crassula, Flattened Jade · houseplant

Crassula platyphylla is a low-growing South African succulent with broad, flat fleshy leaves that flush deep burgundy-red in bright light. It stays compact and tolerates neglect well. Like other Crassula species, it is listed by ASPCA as toxic to cats and dogs and should be kept away from pets.

Ideal humidity: 30-50%

Watch for — Root rot: Soggy soil quickly rots the shallow root system. Ensure the container has drainage holes and allow the soil to dry fully between waterings.

The watering schedule, season by season

Flat-Leaved Crassula stores water in its thick leaves and stems, so when in doubt, wait — it survives drought far better than soggy soil. The base rhythm for flat-leaved crassula is when the top 3-5 cm of soil is dry, approximately every 10-14 days in summer, 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: soak fully, then leave it alone until the soil is dry all the way down — usually around every 10-14 days.
Autumn (slowing down): Autumn: ease off as growth slows; stretch the gap noticeably longer than the summer rhythm.
Winter (rest / dormancy): Winter: water sparingly, roughly once a month or even less in a cool room. The thick leaves carry it through.

Water thoroughly then allow to dry down before watering again. Reduce to every 3-4 weeks in winter. Avoid overwatering, which is the primary cause of plant loss.

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 flat-leaved crassula in seconds.

How to tell flat-leaved crassula needs water

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

The lower or oldest leaves feel slightly soft or look a touch wrinkled.
The pot is noticeably light when lifted.
Soil is dry several centimetres down, not just at the surface.

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 flat-leaved crassula for a day is almost always safer than over-watering it.

Overwatering vs underwatering flat-leaved crassula

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

Signs you are overwatering

Leaves turn translucent, yellow, soft and mushy — classic overwatering.
Lower stem darkens or goes squishy at soil level.
Whole rosettes or sections drop at the lightest touch.

Signs you are underwatering

Leaves pucker, wrinkle or curl inward — a harmless thirst signal that reverses fast after a soak.
Older leaves dry crisp from the tips first.

Overwatering is the number-one killer of flat-leaved crassula. The thick leaves are a water tank — a slightly thirsty plant recovers in a day; a waterlogged one rots from the roots up.

Water quality notes

Tap water is generally fine for flat-leaved crassula; the soak-and-dry rhythm matters far more than water type.

Seasonal and environmental adjusters

Every figure above shifts with the conditions in your home. For flat-leaved crassula, the levers that matter most are:

A gritty, free-draining mix is essential — ordinary potting soil holds too much water for this plant.
Terracotta dries faster and is more forgiving than plastic or glazed ceramic.
More light and warmth speed drying, so the interval shortens in peak summer — always check, never assume.

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 flat-leaved crassula.

Flat-Leaved Crassula watering — frequently asked questions

How often should I water flat-leaved crassula?

Water flat-leaved crassula when the top 3-5 cm of soil is dry, approximately every 10-14 days in summer. Spring and summer: soak fully, then leave it alone until the soil is dry all the way down — usually around every 10-14 days. Winter: water sparingly, roughly once a month or even less in a cool room. The thick leaves carry it through.

How do I know when flat-leaved crassula needs water?

The lower or oldest leaves feel slightly soft or look a touch wrinkled. The pot is noticeably light when lifted. Soil is dry several centimetres down, not just at the surface. The single most reliable test for flat-leaved crassula is the first signal on that list — checking the soil or the plant directly always beats watering by the calendar.

What does an overwatered flat-leaved crassula look like?

Leaves turn translucent, yellow, soft and mushy — classic overwatering. Lower stem darkens or goes squishy at soil level. Whole rosettes or sections drop at the lightest touch. Overwatering is the number-one killer of flat-leaved crassula. The thick leaves are a water tank — a slightly thirsty plant recovers in a day; a waterlogged one rots from the roots up.

What are the signs of an underwatered flat-leaved crassula?

Leaves pucker, wrinkle or curl inward — a harmless thirst signal that reverses fast after a soak. Older leaves dry crisp from the tips first.

Can I use tap water on flat-leaved crassula?