Oxalis triangularis Atropurpurea Brown/Tan Flowering Plants then flatten with age

then flatten with age

it was used medicinally to treat arthritis

but it is also required by the larvae of monarch butterflies

Good drainage is a key to success

Oxalis triangularis Atropurpurea Brown/Tan Flowering Plants then flatten with age(aka: Oxalis regnellii 'Triangularis') Ode to Oxalis: Not a weed never seen a seed, nor will it impede any gardening deeds indeed, so continue to read. Oxalis triangularis 'Atropurpurea' is a charming, easy to grow, clump forming, winter deciduous oxalis that has deep velvety purple leaves edged with a wide black border topped by tiny, light pink flowers in summer extremely cute! Purple shamrock is a dynamite plant to blend into the perennial border