Mature size & growth rate

How big does Ric Rac Cactus (Disocactus anguliger) get?

Also called Ric rac cactus, Fishbone cactus, Zigzag cactus, Fishbone orchid cactus, St Anthony's rik-rak.

More about ric rac cactus

About Ric Rac Cactus

Disocactus anguliger · also called Ric rac cactus, Fishbone cactus · houseplant

The ric rac cactus is an epiphytic jungle cactus from the cloud forests of Chiapas, Mexico, prized for its flat, deeply notched zigzag stems that trail like fishbones. Unlike desert cacti, its defining need is bright but indirect light with a freely draining yet moisture-retentive mix that is watered when the top few centimetres dry out.

Mature size: Stems trail to around 90-100 cm (3 ft) over several years, with individual stems typically 1-3 cm wide; the plant stays relatively compact in height but spreads and cascades widely.

Watch for — Leggy, scorched or wrinkled stems: Thin, stretched growth signals too little light; bleached or brown patches mean too much direct sun. Limp, wrinkled stems usually indicate underwatering or, paradoxically, rotted roots that can no longer take up water, so check the roots before simply adding more.

Indoor size vs how big it gets in the wild

Ric Rac Cactus does not get tall — it gets long. Size here is about stem length and how you train or cut it, not how much floor it claims. Indoors and in a pot, expect stems trail to around 90-100 cm (3 ft) over several years, with individual stems typically 1-3 cm wide. In the ground with no restriction it is a completely different plant — the plant stays relatively compact in height but spreads and cascades widely. — which is why the pot, the light and the pruning matter so much for the size you actually end up with.

Growth shows up as lengthening stems that trail down or climb up a support; the plant can be kept tiny or grown metres long from the exact same root system.

Growth rate and years to mature

Ric Rac Cactus is a moderate grower. Realistically, expect three to six years to reach mature indoor size, gaining a steady amount each growing season. Its feeding profile backs this up: feed lightly during the growing season only. a balanced houseplant or cactus feed diluted and applied roughly every fourth watering through spring and summer is plenty; some growers feed as little as once a year in spring. stop feeding in autumn and winter. over-feeding produces soft, weak growth and discourages the autumn flower buds.

Want this turned into the right next pot at the right moment? The pot size calculator and the ric rac cactus repotting guide cover when and how much to size up — pot size is one of the biggest levers on how fast ric rac cactus grows.

How to keep ric rac cactus smaller

You are not stuck with the maximum size. For ric rac cactus specifically, these are the levers, in order of impact:

Trim the longest vines back to the length you want — ric rac cactus takes hard cutting well and bushes out from the cut.
Cut just above a leaf node; each trimmed stem usually branches into two, so pruning makes it fuller, not sparser.
The cuttings root easily in water or mix, so "keeping it smaller" doubles as free new plants.
A trim once or twice a season is usually enough to hold its length.

The keep-it-smaller method, step by step

Decide the length you want. Pick the point each vine of ric rac cactus should stop — you can be aggressive; it regrows readily.
Cut just above a node. Snip about 0.5 cm above a leaf node so the stem branches there instead of dying back.
Root the cuttings. Drop the trimmed pieces in water or mix — they root in 2-4 weeks and can fill the same pot for a bushier look.
Repeat as it runs. Re-trim whenever it overshoots; regular light pruning keeps it both smaller and fuller.

How to grow ric rac cactus bigger or faster

If you want it to fill the space sooner, push the conditions rather than hoping — for ric rac cactus the accelerators are:

Good light plus a moss pole or trellis triggers the longest, fastest, largest-leaved growth.
Give it something to climb — many vines grow far faster and bigger up a support than trailing.
Feed through spring and summer and keep it consistently watered while it is actively running.

Light is almost always the ceiling. The ric rac cactus light requirements page covers exactly how bright a spot it needs to grow at its potential instead of stalling.

When ric rac cactus outgrows the room (or the pot)

"Too big" usually arrives as one of these signs for ric rac cactus:

Vines pooling on the floor or wrapping past where you want them — purely a trimming cue, not a repot one.
Bare, leggy stems with leaves only at the tips (usually a light problem, not a size one).
A tangled mass that has outrun its support and needs cutting back and re-training.

If it is the pot rather than the room, it is a repotting job, not a goodbye — see the ric rac cactus repotting guide. If you want more of this plant instead of a bigger one, the ric rac cactus propagation guide turns prunings into new plants.

Ric Rac Cactus size — frequently asked questions

How big does ric rac cactus get?

Ric Rac Cactus reaches stems trail to around 90-100 cm (3 ft) over several years, with individual stems typically 1-3 cm wide when grown indoors, and far larger where it grows unrestricted (the plant stays relatively compact in height but spreads and cascades widely.). Growth shows up as lengthening stems that trail down or climb up a support; the plant can be kept tiny or grown metres long from the exact same root system.

Is ric rac cactus slow or fast growing?

Ric Rac Cactus is a moderate grower. Expect three to six years to reach mature indoor size, gaining a steady amount each growing season. Ric Rac Cactus does not get tall — it gets long. Size here is about stem length and how you train or cut it, not how much floor it claims.

How long does ric rac cactus take to reach full size?

Roughly three to six years to reach mature indoor size, gaining a steady amount each growing season. Light, pot size and feeding move that timeline more than anything else.

How do I keep ric rac cactus smaller?

Trim the longest vines back to the length you want — ric rac cactus takes hard cutting well and bushes out from the cut. Cut just above a leaf node; each trimmed stem usually branches into two, so pruning makes it fuller, not sparser. The cuttings root easily in water or mix, so "keeping it smaller" doubles as free new plants. A trim once or twice a season is usually enough to hold its length.

How can I make ric rac cactus grow bigger or faster?

Good light plus a moss pole or trellis triggers the longest, fastest, largest-leaved growth. Give it something to climb — many vines grow far faster and bigger up a support than trailing. Feed through spring and summer and keep it consistently watered while it is actively running.