Oxalis Species, Pink Wood Sorrel, Strawberry Oxalis 'Rosea'

I inherited this neat plant growing in our yard when we moved here to North Texas. It us a lovely little clump of green with pink flowers...Read More when it blooms. It stays green all year but is effected by heat & cold. It apparently is spread by seeds because I’ve found it in some of my pots. Once I figure out how to capture the seeds I’ll have them for exchange. I have successfully divided the clumps & moved them to various light sun/shade spots in our beds. I’m hoping they're not invasive but would welcome them for my yard is a huge & drab right now. I’m still learning about them.

I planted this lovely plant last fall and it is not coming back up this year. Any suggestions.

I have battled the spreading white oxalis for years. A friend offered me this and I refused it, even though she insisted it was well-beha...Read Moreved. I watched it in her garden for several years and finally took a start. I LOVE, LOVE, LOVE this plant. It forms a thick clump that is almost perfectly rounded and flowers all summer. In my area, it dies back some in harsher winters, but is mostly evergreen. I have since repeated this plant in various parts of my garden.

Commonly called "strawberry oxalis" or "pink-sorrel". There are many species of pink wood sorrel.

A beautiful plant that ...Read Moreproduces an abundance of clear pink flowers in shade continuously from early summer till frost! There are forms in a range of colors from white through pale pink to mid-pink. In the southeastern US, this is a common pass-along plant.

In many hot-summer climates, it goes summer dormant, re-growing its leaves and flowering when the cooler weather of fall arrives. In Boston, it continues in leaf and flower from spring to frost. The attractive foliage resists light frosts and is only reluctantly deciduous here. In milder climates, it can be evergreen.

I find it's tough and adaptable. I have not found it to be either aggressive or miffy. I lost it one exceptionally cold winter when day temps didn't rise above the single digits (F) for over six weeks. This isn't hard to find by mail-order. I can't recommend this plant highly enough.

This plant forms a tidy round clump for me about 8" high and a foot wide. I have never seen it set seed or self-sow, and growth of the finger-like rhizome is moderate. Identifying oxalis species can be a challenge, and some species can be nasty weeds, but not this one.

This species originally comes from Argentina, Uruguay, and Brazil. In US nurseries, it is most commonly listed as Oxalis crassipes. Technically, it seems that the currently accepted botanical name of the plant under consideration is Oxalis articulata ssp. rubra f. crassipes, although you will find this plant listed under a dozen or more different names. These might include Oxalis rubra 'Rosea', Oxalis rubra 'Pink', Oxalis crassipes, Oxalis crassipes 'Rosea', Oxalis articulata 'Rosea', Oxalis articulata 'Pink', and many others.

Update: Tried this more recently in a garden on the Z5b/6a border. It didn't survive the first winter, which was colder than usual.

Some writers claim this species is hardy to Z5, and others say it's only hardy to Z7. I'm wondering if, in order to have it overwinter reliably, I'll have to lift the rhizome and store it over the winter inside. This is one of the few plants I'd be willing to do this for.

All parts of the plant are mildly toxic by ingestion, due to the presence of soluble oxalates.