Watering schedule

How often to water Crassula Undulata (Crassula ovata 'Undulata') — the schedule

Also called ripple jade, curly jade.

More about crassula undulata

Watering at a glance

Base rhythm	When the soil is fully dry, roughly every 2-3 weeks in growth and far less in winter
Spring / summer	Spring and summer: soak fully, then leave it alone until the soil is dry all the way down — usually around every 2-3 weeks.
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	Direct sun (at least 4-6 hours)

About Crassula Undulata

Crassula ovata 'Undulata' · also called ripple jade, curly jade · houseplant

Crassula 'Undulata', the ripple or curly jade, is a jade-plant cultivar with wavy, twisting blue-green leaves often edged in red. A slow-growing succulent shrub, it stores water in fleshy leaves, wants bright sun and gritty fast-draining soil, and needs only occasional deep watering. Striking and easy-care, but toxic to cats and dogs.

Ideal humidity: 30-50%

Watch for — Overwatering and rot: Soggy soil rots roots and stems. Let the mix dry fully between waterings, use gritty compost and cut back water in winter.

The watering schedule, season by season

Crassula Undulata 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 crassula undulata is when the soil is fully dry, roughly every 2-3 weeks in growth and far less in 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: soak fully, then leave it alone until the soil is dry all the way down — usually around every 2-3 weeks.
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.

Soak the soil, then let it dry out completely before the next watering. Overwatering is the main threat to this succulent; keep it nearly dry during the winter rest period.

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 crassula undulata in seconds.

How to tell crassula undulata needs water

A calendar is the worst way to water crassula undulata. 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 crassula undulata for a day is almost always safer than over-watering it.

Overwatering vs underwatering crassula undulata

The two failure modes can look alike at a glance, so check the soil weight and wetness before you decide. For crassula undulata 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 crassula undulata. 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 crassula undulata; 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 crassula undulata, 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 crassula undulata.

Crassula Undulata watering — frequently asked questions

How often should I water crassula undulata?

Water crassula undulata when the soil is fully dry, roughly every 2-3 weeks in growth and far less in winter. Spring and summer: soak fully, then leave it alone until the soil is dry all the way down — usually around every 2-3 weeks. 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 crassula undulata 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 crassula undulata is the first signal on that list — checking the soil or the plant directly always beats watering by the calendar.

What does an overwatered crassula undulata 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 crassula undulata. 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 crassula undulata?

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 crassula undulata?