Grown from bulbs, rhizomes or tubers the Wood Sorrel and many of it’s relative in the Oxalis family are easy to grow.
The shamrock shaped leaves of this low growing Oxalis flower in red, white, yellow, blue and pink. I bought 70 bulbs for £1 at Focus at the end of May and they have grown well already.

Cultivation Tips and Varieties to Grow

• Many varieties have a dark purple centre to the leaves or a patterned purple cross as in O. Deppei.
• O. trangularis has white flowers and dark purple leaves.
• The lime green of the leaves O. Ironcross is a fresh bright green in spring and this can show off the edges of a border.
• Most hardy varieties make excellent ground cover or rock plants and flower even in dry shade and poor soil.
• Oxalis Adenophylla has pale lilac flowers and neat parasol like leaves
• Better flowering may occur with a bit of high phosphate fertilizer
• Flowers are sensitive to light levels and often close early in the day
• Tender varieties need to be dug up and stored like begonia tubers
• A new red and white funnel shaped flower is now available O Versicolour
• Many varieties self sow and get into nooks and crannies needing to be weeded out when they become too rampant.

Oxalis cameaphylla rosea

Oxalis roots can be fibrous or woody and be either bulbs, tubers, or rhizomes.
For more information particularly about potted plants from South Africa and America visit the Oxalis web site

Oxalis speciosa