Why is my oxalis not flowering?

Asked By: Reiko Elow | Last Updated: 22nd January, 2020
Category: home and garden landscaping
4.7/5 (416 Views . 27 Votes)
The plants will start to decline after a few months, usually during the summer. “Shamrock” Oxalis species grow from small bulbs and need a rest period. Instead of throwing the pot out, allow the plants to go into dormancy. When the leaves start to die back, stop watering and allow the leaves to dry out and turn brown.

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Also asked, 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.

One may also ask, 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.

Also asked, why is my oxalis drooping?

Rather than being intrinsically linked with the soil like many other plants, Oxalis is linked to the soil by its tiny bulbs. 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.

Should I cut back my 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.

37 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.

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 do you transplant an oxalis?

Replant each oxalis in a 2-inch diameter or larger pot filled with standard potting soil or out into the garden in a partly shady to sunny spot. Set the plants so that the bulbous roots and the white base of the stem are covered with soil and the green stem section is exposed.

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.

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.

How much sun does a shamrock plant need?

The hardiness varies with different species, from hardy in zone 3 to frost tender. Tender species can be grown in containers and brought indoors to overwinter. 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.

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.

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.

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.

How do you store oxalis bulbs?

Store your shamrocks at temperatures between 40 degrees and 50 degrees. In the spring, when danger of frost has passed, put the bulbs and tubers in the ground so they are covered by only about an inch of soil. Water well and in about five weeks or six weeks, there will cute purple foliage everywhere.

Is purple oxalis edible?

Because it isn't typically considered an edible herb, purple shamrock doesn't pose much of a threat to humans, but it also shouldn't be used in livestock feed. Cooking an oxalic acid-containing plant helps to neutralize the acid, reducing its effects.

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.

Is Oxalis toxic to cats?

Toxicity to pets
The Shamrock, Sorrel or Oxalis plant has a very bitter taste, which often deters dogs and cats from consuming large quantities. However, when ingested in large enough quantities in small animals, it can result in poisoning in dogs, cats, and even humans.

What plant has butterfly shaped leaves?


papilionacea (Purple Shamrock) is a bulbous plant forming a lush foliage mound of deep burgundy, trifoliate leaves that close at night and open wide to the morning light. Each leaf has the shape of a little heart, but is triangular like butterfly wings.

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.

Can oxalis grow outside?

Frost-sensitive oxalis grow outdoors as summer annuals and overwinter inside. Many varieties, however, have a reputation for invasiveness, and all are toxic if ingested. Use the delicate, mounding plants as border edgings, rock garden additions or container accents.