Deno’s Garden

Syringa reticulata

Genus Syringa

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 January 18, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing. Then 77 days to germinate.

69% germination in 56–77 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Syringa p. 219Public domain
Show the original text
Syringa (Oleaceae). S. pekinensis germ. 70(65% in 6-12 d) and 40(69% in 8-11 w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Syringa p. 219. 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 24, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 12 days to germinate.

65% germination in 6–12 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Syringa p. 219Public domain
Show the original text
Syringa (Oleaceae). S. pekinensis germ. 70(65% in 6-12 d) and 40(69% in 8-11 w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Syringa p. 219. 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.