Deno’s Garden

Phacelia bipinnatifida

Genus Phacelia

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Moderate Rated by us, not by the source.

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

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C

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

33% germination in 28 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Phacelia p. 54Public domain
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Phacelia (Hydrophyllaceae). P. bipinnatifida germ. 70 GA-3(3/9 in 4th w), J 70D(,1/12 in 3rd w), and none in 70L, 40-70D, or 40-70L. The 70D sample was carried through the 3 m at 70, 3 m at 40, and 2 w at 70D. After this it was treated with GA-3 whereupon 6/12 gernv in 1-5 w.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Phacelia p. 54. 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, 1998

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing.

0% germination.

Nothing germinated at 70.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Phacelia p. 54Public domain
Show the original text
Phacelia (Hydrophyllaceae). P. bipinnatifida germ. 70 GA-3(3/9 in 4th w), J 70D(,1/12 in 3rd w), and none in 70L, 40-70D, or 40-70L. The 70D sample was carried through the 3 m at 70, 3 m at 40, and 2 w at 70D. After this it was treated with GA-3 whereupon 6/12 gernv in 1-5 w.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Phacelia p. 54. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.