What zone does Oxalis grow in?

Commonly known as sorrels or shamrocks, more than 800 types of shamrock plants, or oxalis, (Oxalis spp.) grows as perennials in U.S. Department of Agriculture plant hardiness zones 3 through 11, depending on species.

Will Oxalis triangularis survive winter?

Hardiness varies depending on the species, and some, including purple shamrock (Oxalis triangularis), tolerate winters in USDA plant hardiness zone 6. However, most are frost-tender and won’t survive frosty weather.

Can Oxalis triangularis be planted outside?

This plant prefers a shaded spot rather than bright sun and can live happily both inside and outside in spring and summer. A note on it’s dormancy period – you will know this is approaching when the leaves stop opening up in daylight.

Is Oxalis winter hardy?

Oxalis plants grow prolifically during warm weather but are not winter hardy. That means after the first frost, it’s time to dig them and store them.

How do you overwinter Oxalis?

If you want to save oxalis year to year, be sure to dig the plant from the container before the first frost. One method of storage is to remove all the foliage, brush the soil from the tubers, wrap when dry in newspaper and overwinter in a cool, dry place.

Is purple Oxalis a perennial?

Purple oxalis (common name for Oxalis triangularis) is an herbaceous perennial plant. Also known as false shamrock or purple shamrock plant, purple oxalis has deep purple, heart-shaped leaflets that grow in clusters of three. Clumps of small pink flowers or white flowers bloom from the purple oxalis plant.

How do you winterize Oxalis triangularis?

How cold can Oxalis get?

Temperature and Humidity These plants like temperatures between 60 and 75 degrees Fahrenheit, which makes them especially suitable to grow indoors in average room temperatures. They can tolerate nighttime temperatures down to 50 degrees Fahrenheit.

Can I plant purple shamrock outside?

The purple-leaf shamrock, Oxalis triangularis, is a low-growing foliage plant for the garden that also makes for an attractive indoor plant with rich, vibrant, purple leaves. Smart gardeners have gravitated to this beautiful foliage plant to add color indoors and outdoors for several decades.

How cold can oxalis get?

Does oxalis go dormant in winter?

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.

How do you winterize an Oxalis?

Do Oxalis triangularis bulbs multiply?

Do Oxalis triangularis bulbs multiply? All of the corms that you’ve seen in this post resulted from planting one 4 inch pot of Oxalis about 2 years prior. The corms multiply like crazy and you can divide them up after a year or two, or whenever you want more plants!

Does Oxalis go dormant in winter?

How do I take care of my Oxalis in the winter?

During the autumn and winter months, water liberally (i.e. loosely, but not too infrequent) and avoid over-watering during its dormancy period. The plant will need a few months to rest after the fierce growing period, so overloading it with soggy soil will result in root rot.

Is Oxalis triangularis a perennial?

How do you winterize a shamrock plant?

During dormancy, stop watering, and place the plant in a cool, dark place. When you see new growth, move your shamrock back into bright light and resume watering, says the University of Vermont Extension.

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.

How do you make Oxalis triangularis bushy?

Move your plant to a sunnier location, with at least partial sun if you can, and it will respond by producing lusher growth and turn into a fuller plant. You should have this plant right in front of a window for best results.

Do Oxalis come back every year?

What zone does Oxalis triangularis grow in?

It can be grown in zones 7-11, but performs the best in zones 8-9. Zone 7 growers should definitely opt for full sun conditions. Where it’s very tolerant of light variables, it’s not as tolerant of temperature shifts. Oxalis triangularis cannot tolerate frost conditions or extreme heat. Hot conditions can cause the plant to weaken or to go dormant.

Is Oxalis triangularis an invasive plant?

Oxalis triangularis is a recent invasive plant in Florida and Louisiana, where the temperatures accommodate outdoor growth. If you live in a warm state, please keep this plant inside so it doesn’t escape into the wild.

How many lobes does Oxalis triangularis have?

Each leaf has three lobes which move to catch sunlight. Source: Thom Watson Q: Is oxalis triangularis poisonous to humans? A: Oxalis triangularis contains very small amounts of oxalic acid. This can be an irritant to people in large doses.

Does Oxalis triangularis have a dormancy period?

Oxalis triangularis actually grow from tubers and these plants do have a dormancy period, so if you think your plant is suddenly dying, you are probably OK and I describe what to do later in this post.