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| Category: Bulb/Tuber/Rhizome etc. |
| Family: Oxalidaeceae (Wood-sorrels) |
| Origin: Mexico (North America) |
| Flower Color: Pink |
| Bloomtime: Spring/Summer |
| Synonyms: [O. tetraphylla speciosa] |
| Height: <1 foot |
| Width: <1 foot |
| Exposure: Sun or Shade |
| Irrigation (H2O Info): Medium Water Needs |
| Winter Hardiness: 10-15° F |
| May be Poisonous (More Info): Yes |
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Oxalis deppei 'Iron Cross' (Iron Cross Oxalis) - This bulb, sometimes grown for its edible tubers, is grown by most gardeners for its attractive leaves that are composed of 4 large leaflets that have a strong dark purplish band at their bases, forming a cross-like design in the center of the leaf. The leaves that stand up 6 to 12 inches tall are otherwise a bright green that contrast well with this cross and in the summer into fall appear bright pink flowers. Plant in sun or part shade and give occasional to regular irrigation. This plant can remain hardy in frost free gardens and is hardy to around 10° F as a dormant bulb. This Mexican native was introduced into cultivation during the heyday of plant collecting in Victorian times and has proven itself garden worthy and non-invasive. The foliage, containing the poisonous Oxaloacetate, has a lemony taste that when used with moderation is not considered harmful and is often in foods cooked and fresh. Oxalis deppei is synonomized by some authors with Oxalis tetraphylla while others insist they are distinctly different plants. Until we get verifiable information to do differently we will continue to list it as Oxalis deppei, the name we originally received with it..
The information about Oxalis deppei 'Iron Cross' displayed on this web page is based on our research conducted in the nursery's horticultural library and from reliable online resources. We also include observations made about it as it grows in our nursery gardens and other gardens we have visited, as well how the crops have performed in containers in our nursery field. We will also incorporate comments we receive from others and welcome hearing from anyone with additional information, particularly if they can share cultural information that would aid others in growing this plant. |
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