Deno’s Garden

Pediocactus simpsonii

Genus Pediocactus

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

Start around March 19, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing. Then 17 days to germinate.

67% germination in 17 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Pediocactus p. 187Public domain
Show the original text
Pediocactus (Cactaceae). P. simpsoni germ. 70(1/10 in 8th w) and 40(2/3 on 17th d).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Pediocactus p. 187. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.

Protocol 2

DerivedN. C. Deno, 1993

Difficulty High Rated by us, not by the source.

Start around February 8, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 56 days to germinate.

10% germination in 56 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Pediocactus p. 187Public domain
Show the original text
Pediocactus (Cactaceae). P. simpsoni germ. 70(1/10 in 8th w) and 40(2/3 on 17th d).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Pediocactus p. 187. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.