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Oxalis Triangularis (False Shamrock/ Love Plant): Care Guide, Tips & Propagation

Pretty, unique, and fairly easy to care for, Oxalis Triangularis is growing increasingly popular with indoor gardening enthusiasts. Also referred to as False Shamrock on account of its triangular leaves, in some parts of the world, this plant is considered a weed. With this being said, the plant makes a great addition to any interior plant collection. Here’s an Oxalis Triangularis care guide, including how to water Burgundy Shamrock and how to propagate this pretty plant (which is also sometimes referred to as the Love Plant).

Oxalis Triangularis (False Shamrock/ Love Plant): Care Guide, Tips & Propagation

Given the right conditions, the perennial plant will happily grow for at least several years in your home. Native to South America, unlike some indoor plants, it’s also fairly easy to get False Shamrock to flower. The plant is characterised by its three-piece purple/ burgundy leaves and small lilac flowers.

Perhaps most interestingly, much like prayer plants, the leaves change position throughout the day. During daylight hours, the plant will extend its leaves so as to absorb the most amount of light possible. During the night, the leaves will close in on themselves, making for a cool timelapse video. This phenomenon means that the plant is known as photophilic. If you’re short on space but want a show-stopping plant, then Oxalis Triangularis is a great option thanks to the fact that it only tends to grow from 15 – 30 cm in height.

Oxalis Triangularis (False Shamrock/ Love Plant): Care Guide, Tips & Propagation

Oxalis Triangularis Care Guide

Part of the wood sorrel family, the beautiful stems, leaves, and flowers grow from a tuberous rhizome (bulb). If the plant is not cared for correctly (i.e. it is not watered enough or the plant gets too cold), then though the leaves will die back, the plant tends to survive thanks to its bulb.

Every few years, the plant can also dieback spontaneously during the summer months (which is odd as this tends to be the plant growing season). If this happens, don’t panic and don’t throw the plant away. Instead, hang on to the False Shamrock as it will likely re-grow.

Though it’s fairly hard to burn the leaves of Oxalis Trinagularis, placing the plant too close to the window can lead to the leaves growing towards the light source and sticking to the window. As such, the best position for the love plant is in indirect, bright light, such as on an east facing window.

The plant needs much more water than many other varieties of houseplants, though root rot can become a problem for the bulbs if watered too often. Typically, you’ll need to water your plant every couple of weeks, and probably even less during the winter months. As such, False Shamrock should be grown in a well-draining potting mix with a drainage hole to the base of the pot.

Oxalis Triangularis (False Shamrock/ Love Plant): Care Guide, Tips & Propagation

How to Propagate False Shamrock

If you’re indoor gardening and have your plants close to one another, then you might well discover why Oxalis Triangularis is often referred to as a weed. After all, the plant spreads through corms (bulbo-tuber) which spread fairly easily.

The easiest way to propagate the Love Plant is by replanting the corms during the growing season (spring and summer) into well-draining potting soil and waiting for new stems and flowers to grow. Alternatively, the plant can also be propagated via division, which means separating the plant at the roots during repotting.

Oxalis Triangularis dormancy (and dormancy care)

You should note that at least every year or so, your Oxalis triangularis plant will go into a period of dormancy. During this time, the plant will stop producing new stems and flowers and all of the current ones will die back.

Don’t be alarmed as this dormancy period is completely normal for the plant! You should also not assume that your oxalis has died as it has likely just gone into a rest period. The first sign that your plant is about to enter its dormancy period is that the plant will stop flowering and those leaves which remain will start to look sad and droopy.

If you choose not to do anything, the plant will die back naturally, and you can remove the dried up leaves. Alternatively, you can cut the plant back. Once your plant appears as if it has reached its dormancy period, you should stop watering immediately, so as to prevent root rot.

The plant will then lie dormant for a period of a few weeks to a few months before starting to grow back. Typically, Oxalis Triangularis will grow quickly during the summer, before slowing down in the autumn, and entering a period of dormancy during the winter.

However, this is not always the case, and my mum’s plant actually experienced a dormancy period over the summer! Once the plant has sprouted new leaves, you can resume the plant’s usual watering schedule.

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Oxalis Triangularis (False Shamrock/ Love Plant): Care Guide, Tips & Propagation

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