Oxalis hirta (Tropical Woodsorrel)

Oxalis hirta is a late autumn flowering tropical woodsorrel boasting glorious, vivid pink flowers adorned with a yellow throat. Blooming from fall through spring, they are borne atop upright, branched, leafy shoots clad with tight clusters of small, linear-oblong leaves.

Oxalis hirta is a late autumn flowering tropical woodsorrel boasting glorious, vivid pink flowers adorned with a yellow throat. Blooming from fall through spring, they are borne atop upright, branched, leafy shoots clad with tight clusters of small, linear-oblong leaves. Easy to grow and not invasive, this bulbous Oxalis species goes dormant throughout the hot, dry summer but will emerge again with the onset of the fall rains. Perfect for rock gardens or containers.

  • Grows up to 6-10 in. tall (15-60 cm) and 24 in. wide (60 cm).
  • Easily grown in well-drained soils in filtered sun or part shade. Provide occasional to regular irrigation and avoid overwatering during the dormant period.
  • Propagation is usually from bulb offsets.
  • Toxic to dogs, toxic to cats, toxic to horses.
  • Native to South Africa.

Requirements

Hardiness 9
– 10

Heat Zones 9
– 10

Climate Zones 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Bulbs, Perennials
Plant Family Oxalis
Exposure Partial Sun
Season of Interest Spring (Early)FallWinter
Height 6"
– 10"
(15cm
– 25cm)
Spread 1'
– 2'
(30cm
– 60cm)
Spacing 24″ (60cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Tolerance Deer
Garden Uses Patio and Containers
Garden Styles Gravel and Rock Garden