Mature size & growth rate

How big does Oxalis Triangularis 'Mijke' (Oxalis triangularis 'Mijke') get?

Also called green shamrock, Mijke oxalis.

More about oxalis triangularis 'mijke'

About Oxalis Triangularis 'Mijke'

Oxalis triangularis 'Mijke' · also called green shamrock, Mijke oxalis · houseplant

Oxalis triangularis 'Mijke' is the bright-green form of the false shamrock, with the same triangular trifoliate leaves that fold down each evening and reopen by day. It grows from small bulbs, flushes quickly in good light, and naturally cycles through dormancy. Easy and rewarding, it brings nyctinastic leaf movement and dainty pale blooms to a windowsill.

Mature size: Roughly 15-30 cm tall and wide as a clump.

Watch for — Leggy, floppy growth: A sign of insufficient light. Move to a brighter spot so the leaf stalks stay short and the clump dense.

Indoor size vs how big it gets in the wild

Oxalis Triangularis 'Mijke' is a naturally small plant — it stays shelf- and desk-sized for its whole life, so it never becomes a space problem. Indoors and in a pot, expect roughly 15-30 cm tall and wide as a clump.. A pot, your light levels and a little pruning are what set the final size in a home, far more than the plant's theoretical potential.

It grows mostly by adding leaves, offsets or a slightly wider rosette rather than gaining height — the footprint barely changes year to year.

Growth rate and years to mature

Oxalis Triangularis 'Mijke' 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 monthly with a balanced, diluted liquid fertiliser during active growth in spring and summer. stop feeding entirely when the plant enters dormancy and the foliage dies back, resuming only when new growth appears.

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

How to keep oxalis triangularis 'mijke' smaller

Good news — oxalis triangularis 'mijke' barely needs managing. If you do want to keep it tidy:

Divide or remove offsets when the pot looks crowded to keep oxalis triangularis 'mijke' to a single tidy clump.
Keeping it slightly pot-bound and easing back on feed naturally caps the size.
Pinch or remove the oldest, tiredest leaves so energy goes into a compact, fresh-looking plant.

How to grow oxalis triangularis 'mijke' bigger or faster

If you want it to fill the space sooner, push the conditions rather than hoping — for oxalis triangularis 'mijke' the accelerators are:

It is already in good light; consistent warmth and a balanced feed in spring and summer are the only levers.
A small step up in pot size every couple of years gives the roots a little more room without triggering a size jump.
Feed lightly through the growing season; this plant simply will not race however hard you push it.

Light is almost always the ceiling. The oxalis triangularis 'mijke' light requirements page covers exactly how bright a spot it needs to grow at its potential instead of stalling.

When oxalis triangularis 'mijke' outgrows the room (or the pot)

"Too big" usually arrives as one of these signs for oxalis triangularis 'mijke':

Roots circling the bottom or pushing out of the drainage hole — it wants a pot one size up, not a bigger room.
Offsets crowding the surface so the original plant looks squashed.
Honestly, oxalis triangularis 'mijke' rarely outgrows a room — outgrowing its pot is the only realistic limit.

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

Oxalis Triangularis 'Mijke' size — frequently asked questions

How big does oxalis triangularis 'mijke' get?

Oxalis Triangularis 'Mijke' reaches roughly 15-30 cm tall and wide as a clump. when grown indoors. It grows mostly by adding leaves, offsets or a slightly wider rosette rather than gaining height — the footprint barely changes year to year.

Is oxalis triangularis 'mijke' slow or fast growing?

Oxalis Triangularis 'Mijke' is a moderate grower. Expect three to six years to reach mature indoor size, gaining a steady amount each growing season. Oxalis Triangularis 'Mijke' is a naturally small plant — it stays shelf- and desk-sized for its whole life, so it never becomes a space problem.

How long does oxalis triangularis 'mijke' 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 oxalis triangularis 'mijke' smaller?

Divide or remove offsets when the pot looks crowded to keep oxalis triangularis 'mijke' to a single tidy clump. Keeping it slightly pot-bound and easing back on feed naturally caps the size. Pinch or remove the oldest, tiredest leaves so energy goes into a compact, fresh-looking plant.

How can I make oxalis triangularis 'mijke' grow bigger or faster?

It is already in good light; consistent warmth and a balanced feed in spring and summer are the only levers. A small step up in pot size every couple of years gives the roots a little more room without triggering a size jump. Feed lightly through the growing season; this plant simply will not race however hard you push it.