Oxalis

Summer flowering bulb

Origin: Middle/South America

Flower colour: pink, except O. regnellii which is white.

Flowering period: entire summer

Average plant height: 10 – 30 cm

Planting depth to base of bulbs:5 cm

Spacing between bulbs: 5 cm

Type of bulb: (depending on the variety) bulb, tuber, rhizome, and O. regnellii is a rootstock.

Light requirements: warm and sunny to 25% shade

Landscape uses: border, beds, rock garden and pots.

With oxalis again we can divide the family into two groups: winter hardy and not winter hardy. Those that are not winter hardy are: O. deppei, O. lasiandra and O. regnellii. The petals of the flowers open wide when the sun is shining, and close in the dark. The leaves are clover-like.

There are over 800 different species, as garden plants as well as noxious weeds.

Principal varieties

  • Oxalis deppei (lucky clover) – pink-red 
  • Oxalis deppei ‘Iron Cross’ – black-brown color at the base of the 
  • four leaflets. 
  • Oxalis lasiandra – pink 
  • Oxalis regnellii – white

Watch our planting flower bulbs video

Related variations

Achimenes

African lily

Belladonna lily

Windflower

Tuberous begonia

Bletilla

Indian shot plant

Commelina

Crocosmia

Cyrtanthus

Eucharis

Eucomis

Summer hyacinth

Gladiolus

Gladiolus callianthus

Homeria

Hymenocallis

Leucocoryne

Liatris

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