How do I make my Oxalis bloom?

Asked By: Ebrima Zalacain | Last Updated: 22nd May, 2020
Category: home and garden landscaping
4.8/5 (28 Views . 44 Votes)
They often bloom all winter if kept in a well-lit spot. Keep the soil barely moist but never soggy and allow the top 2” of soil to dry out before watering. It's best to water a shamrock plant from the bottom so the thin fragile stems of the plant don't get water logged and the soil stays loose.

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Similarly, how do I get my oxalis to bloom?

Water two to three times a month, allowing soil to dry out between waterings. Fertilize after watering with a balanced houseplant food. Shamrock plants grow from tiny bulbs that may be planted in fall or early spring. Most often, shamrock plants are purchased when foliage is growing and sometimes when in flower.

Additionally, is Oxalis an indoor or outdoor plant? Caring For Oxalis Plants Outside: How To Grow Oxalis In The Garden. Oxalis, also known as shamrock or sorrel, is a popular indoor plant around the St. This diminutive little plant is also suitable for growing outdoors with minimal attention, although it may need a little help getting through chilly winters.

Likewise, how do you care for an oxalis plant?

This oxalis prefers light shade and moist, well-drained soil. Indoors, give it bright light and cool temperatures (60 to 70 degrees) – the brighter the light, the more vibrant the foliage and flowers – but avoid extremes. Feed it a regular houseplant fertilizer.

Why is my oxalis leggy?

Use a loose and sandy soil rather than a rich and organic soil. If your shamrock plant gets thin and leggy, cut the plant back to an inch or two above the soil line and place it in very bright indirect light. High light refers only to bright indirect light since direct sun often burns the leaves of indoor houseplants.

29 Related Question Answers Found

Does oxalis go dormant?

Oxalis grown from bulbs, and like all bulbs, requires a period of dormancy each year. Don't throw the plant in the garbage when it appears to be dying because with proper care, it will come back better than ever.

Is Oxalis the same as clover?

Oxalis is often confused for Clover, but has heart shaped leaves while clover has oval shaped leaves. There are also slight differences in seed pods but the small yellow flowers are the biggest and easiest difference to see.

How do you prune oxalis?

Cut back the foliage on potted plants to within 1 inch of the soil after the leaves begin to brown and die back during early summer. Stop watering and store the plant in a cool, dark place for two or three months.

Why does oxalis close at night?

triangularis move in response to light levels, opening in high ambient light (in the day) and closing at low light levels (at night). During this movement, the leaflets fold at the level of the central vein.

What do oxalis bulbs look like?


Oxalis triangularis bulbs look like small, immature pinecones. When planting a container for indoors, go ahead and crowd your bulbs, spacing them just an inch apart for a full look fast. Just poke the bulbs into the soil – any way up is right. Water lightly just once every couple of weeks until new growth appears.

How tall do oxalis grow?

It grows 10 inches tall and 12 inches wide. Perennial in Zones 9-11; grow as an annual or indoor plant in colder areas.

How big does a oxalis grow?

Size and Growth Habit
Oxalis is a mounding plant and grows to about 12 inches tall and wide.

Do shamrocks like sun or shade?

Shamrocks grow and bloom best in full sun, but will they will tolerate partial shade. In hot summer regions they will need protection from the afternoon sun. They should only be planted in very well drained soil.

Does oxalis need sun or shade?

Oxalis thrive in part shade, preferring well-drained soil that is kept evenly moist, but not wet. In contrast, one attractive cultivar, Oxalis vulcanicola 'Zinfandel', which has purplish-black foliage and yellow flowers, is, in fact, a sun worshipper, although it also does just fine in partial shade.

Does oxalis need full sun?


Some species are very invasive. Noteworthy CharacteristicsClover-shaped foliage. Outdoors, grow hardy woodland species in moist, fertile, humus-rich soil in full or partial shade. Other hardy Oxalis species need full sun and well-drained, organic soil of moderate fertility.

Why are my oxalis leaves turning yellow?

Too Much Water
One reason why your plant's leaves may turn yellow is because you are overwatering the plant. An oxalis plant that cannot absorb iron suffers from chlorosis, which causes its leaves to develop yellow spots. Cut back on the water, and let the soil dry until it is just barely damp between each watering.

Why is my oxalis dying?

Forget to water it, temperature drops too low or its living conditions are generally poor, everything above the surface will wilt and die back to take refuge in the bulbs below. As soon as good conditions are restored the plant comes back to life incredibly quickly.

Do shamrock plants need lots of light?

Shamrocks are bulb plants and die back after they bloom; but don't throw them out, they just need a little rest before starting to grow again. Light: Shamrocks need bright indirect light. High light refers only to bright indirect light since direct sun often burns the leaves of indoor houseplants.

Is Oxalis poisonous to humans?

While any oxalic acid-containing plant, such as Oxalis, is toxic to humans in some dosage, the U.S. National Institutes of Health note that oxalic acid is present in many foodstuffs found in the supermarket and its toxicity is generally of little or no consequence for people who eat a variety of foods.

Why do shamrock leaves close at night?


Leaves of many plants move in response to light. This can be seen in Oxalis plants in your house. For example, if you turn a bright light on over them in the night when their leaves are closed, the leaves will lift in a short time.

How do I kill oxalis weeds?

Oxalis weed control can be achieved with an herbicide. Use a formula marked for broadleaf plant control such as Dicamba, 2,4D, Clopyralid, or Tiplopyr. These are serious chemicals and you must follow all instructions and apply before the plant sets seed. An organic option is to use liquid chelated iron.

Do oxalis come back every year?

Oxalis are perennial plants but can give the appearance of annuals by going dormant in winter or during droughts. Frost-tender oxalis are sometimes treated as annuals in cold winter areas.