Deno’s Garden

Phacelia campanularia

Genus Phacelia

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

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

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing. Then 28 days to germinate.

79% germination in 7–28 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Phacelia p. 191Public domain
Show the original text
Phacelia (Hydrophyllaceae). P. campanularia germ. 70(50% in 1-8 d) and 40(79% in 1-4 w). Seed DS 3 y was dead.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Phacelia p. 191. 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 Moderate Rated by us, not by the source.

Start around March 28, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 8 days to germinate.

50% germination in 1–8 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Phacelia p. 191Public domain
Show the original text
Phacelia (Hydrophyllaceae). P. campanularia germ. 70(50% in 1-8 d) and 40(79% in 1-4 w). Seed DS 3 y was dead.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Phacelia p. 191. 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.