Deno’s Garden

Begonia picta

Genus Begonia

Protocol

DerivedN. C. Deno, 1993

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing.

0% germination.

Nothing germinated at 40.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Begonia p. 106Public domain
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Begonia (Begoniaceae). All three species studied were D-70. B. picta germ. 100% in the 3d w in either 700 or 70L and none in 40-70 showing that even 3 m at 40 was completely fatal.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Begonia p. 106. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.