Experimental cultivation of <i>Oxalis tuberosa</i> in a sandy soil of a garden in <a href="//commons.wikimedia.org/w/index.php?title=Kluse_(Emsland)&amp;action=edit&amp;redlink=1" class="new" title="Kluse (Emsland) (page does not exist)">Kluse (Emsland)</a>. In May about 20 small (1.5 to 2 cm long) tubers were planted in an area of about 1 m². Here in November the sprawling plants require about 2 m².
Frank Vincentz
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>