Deno’s Garden

Allium schubertii

Genus Allium

This source reports 4 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around March 15, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 21 days to germinate.

64% germination in 7–21 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Allium p. 18Public domain
Show the original text
Allium (Liliaceae). A. schubertii germ. 70D(64% in 1-3 w), 70L(6%), 40(61% in 4-8 w), and 28% in April in outdoor treatment. Light inhibits germination.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Allium p. 18. 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, 1996

Difficulty Moderate Rated by us, not by the source.

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

  1. Cold moist stratification

    Temperature: 40°F 4°C

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

61% germination in 28–56 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Allium p. 18Public domain
Show the original text
Allium (Liliaceae). A. schubertii germ. 70D(64% in 1-3 w), 70L(6%), 40(61% in 4-8 w), and 28% in April in outdoor treatment. Light inhibits germination.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Allium p. 18. 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 3

DerivedN. C. Deno, 1996

Difficulty High Rated by us, not by the source.

  1. Sow outdoors and leave it

    Up in April.

No stated waiting before sowing.

28% germination.

This source doesn't state how long.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Allium p. 18Public domain
Show the original text
Allium (Liliaceae). A. schubertii germ. 70D(64% in 1-3 w), 70L(6%), 40(61% in 4-8 w), and 28% in April in outdoor treatment. Light inhibits germination.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Allium p. 18. 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 4

DerivedN. C. Deno, 1996

Difficulty Very high Rated by us, not by the source.

Start around March 15, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Germination time not stated; 21 days assumed.

6% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Allium p. 18Public domain
Show the original text
Allium (Liliaceae). A. schubertii germ. 70D(64% in 1-3 w), 70L(6%), 40(61% in 4-8 w), and 28% in April in outdoor treatment. Light inhibits germination.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Allium p. 18. 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.