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| Category: Perennial |
| Family: Oxalidaeceae (Wood-sorrels) |
| Origin: Central America (North America) |
| Evergreen: Yes |
| Red/Purple Foliage: Yes |
| Variegated Foliage: Yes |
| Flower Color: Yellow |
| Bloomtime: Year-round |
| Synonyms: [Xanthoxalis vulcanicola] |
| Height: <1 foot |
| Width: 2-3 feet |
| Exposure: Cool Sun/Light Shade |
| Irrigation (H2O Info): Medium Water Needs |
| Winter Hardiness: 20-25° F |
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Oxalis spiralis ssp. vulcanicola 'Plum Crazy' (Variegated Volcanic Sorrel) - A tender sprawling evergreen perennial to 8 inches tall by 2 feet or more wide with semi-succulent stems that spread to create a low, mounding mat of red foliage growing from small swollen tubers - will trail down over and drape a couple feet over an edge. It is semi dormant in winter with small rusty red to deep burgundy shamrock-like leaves variegated with pink that emerge in spring along dark red stems that provide a interesting color contrast to the yellow flowers. Like the non-variegated form, this plant flowers mostly in spring and early summer in many locations, but in our mild coastal climate it is covered most of the year with attractive small five-petaled yellow flowers rising on delicate pink peduncles an inch or two about the foliage. The flowers have delicate red lines running down their throats, a color matched in parts of the foliage. Plant in full coastal sun, where it has the deepest color and remains most compact, to part sun or bright shade in a well-draining organic rich soil. With its succulent stems it can get by with only occasional irrigation but looks best with a bit more frequent watering. Evergreen in frost free locations but stem hardy down to around 20 °F and used as an annual in colder climates. An interesting sprawling plant for use as a small groundcover under shrubs, at the front of a border or growing around rocks and stepping stones. It also makes a great container or hanging basket plant and is particularly nice trailing down over a wall. The species Oxalis spiralis is native to Central and South America, ranging from Chiapas to Peru and this subspecies, Oxalis spiralis ssp. vulcanicola, ranges from El Salvador, through Costa Rica into Panama where it grows in evergreen montane forests from 4,600 to nearly 11,00 feet. We grow also this very attractive subspecies that lacks the pink variegation in the leaves. For more information on this plant see our listing of it at Oxalis spiralis ssp. vulcanicola. Our stock plants of 'Plum Crazy' came to us from the late Ted Kipping, who had this plant sprawling around his great San Francisco Rock Garden.
The information about Oxalis spiralis ssp. vulcanicola 'Plum Crazy' 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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