Oxalis acetosella
Wood sorrel, a small creeping woodland perennial up to about 10 cm tall, found across Europe and northern Asia. Its clover-like leaves fold at night and in rain. White, lilac-veined flowers appear in spring. It thrives in deep shade on moist humus, and it needs cool summers and a cold winter.
Where it grows wild
The floor of deciduous and conifer woods, shady banks and hedgerows on moist acid or lime-rich soils. It copes with very deep shade.
Lowland to subalpine. Records run from sea level to about 2,160 m, median about 590 m. In Britain it reaches about 1,160 m.
π Growing it like that
The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 de licence, unmodified.