Oxalis Triangularis (Purple Shamrock, False Shamrock)
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Oxalis Triangularis, also known as the Purple Shamrock or False Shamrock, is a fascinating plant that's native to the tropical rainforests of Brazil. This rhizomatous perennial belongs to the Oxalidaceae family, and is prized for its unique leaves that feature three heart-shaped leaflets arranged in a triangular shape.
In terms of care, Oxalis Triangularis prefers bright, indirect light, but can also tolerate partial shade. It should be planted in a well-draining mix that's rich in organic matter, and watered thoroughly but allowed to dry out slightly between waterings. Overwatering can cause root rot, so it's important to ensure that the plant is not sitting in standing water. Fertilizer can be applied sparingly, as Oxalis Triangularis doesn't require a lot of nutrients to thrive.
One of the most interesting features of Oxalis Triangularis is its leaves, which fold up at night and open again in the morning. This is known as nyctinasty, and is thought to be an adaptation that helps the plant conserve moisture and protect itself from nocturnal herbivores.
To style this plant, consider placing it in a decorative pot or hanging basket, where the leaves can drape over the edges. Propagation of Oxalis Triangularis is relatively easy, and can be done by dividing the plant's rhizomes. Simply separate the roots into smaller sections and plant them in fresh soil.
Overall, Oxalis Triangularis is a unique and fascinating plant that's sure to intrigue any plant enthusiast. Its easy care requirements and interesting foliage make it a great addition to any collection, and its adaptability to different light conditions and soil types makes it a versatile plant for a range of settings.
How do you take care of an Oxalis Triangularisis or Purple Shamrock?
This plant is easy to care for and suitable for beginners. Keep your Oxalis Triangularis in a filtered bright to medium light but away from direct sunlight. It is fairly hard to burn since Oxalis grows outdoors; the glass in your windows will filter out a lot of the intensity of the light. However, it will grow best when it’s away from direct sunlight.
Oxalis goes into dormancy as part of its normal growing cycle; the plants will start to decline, usually towards the end of summer but sometimes twice a year or more. The Oxalis plants grow from small bulbs, like daffodils and tulips, and they need a similar rest period to recoup and grow again.
Dont throw your plant away when the leaves start to die; stop watering and allow the leaves to die back. Water sparingly during this period until you see new growth. When you do, move the plant to a nice bright spot and watch the plant grow again.
Check out our details Oxalis care guide for more details
Where should I put Oxalis Triagularis?
This wonderful houseplant loves lots of indirect light- lots of light is needed.
How much should I water it?
As usual with tropical plants, water only when the top couple of inches of the soil is dry, don’t let it sit in water. Use a pot with a drainage hole and a Well-drained potting mix; use a standard Premium indoor potting mix.
Should I feed Oxalis Triagularis?
You can feed once a month during spring and summer - we do vegan, organic plant food!
Is it suitable if I have pets?
No, unfortunately, it can be toxic to pets.
What size is it?
W12cm x H15cm
For some great advice on general houseplant care, why not look at the video we’ve made for you? Click Here
Our plants are supplied in a plastic nursery pot