Deno’s Garden

Hosta sieboldii

Genus Hosta

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 August 13, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on August 12, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Temperature: 40°F 4°C

about 6 months from start to sowing. Then 56 days to germinate.

75% germination in 56 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Hosta p. 153Public domain
Show the original text
Hosta (Liliaceae). Germination was hypogeal. The seed slowly deteriorated on OS at 70. H. sieboldi germ. 70(73% in 1-3w) and 40(75% in 8th w) using seed that had been DS outdoors until February. This seed was given an additional 6 m DS at 70 after which it germ. 40(55% in 6-10 w) and 70(none).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Hosta p. 153. 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 Low Rated by us, not by the source.

Start around September 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 16, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C

about 6 months from start to sowing. Then 21 days to germinate.

73% germination in 7–21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Hosta p. 153Public domain
Show the original text
Hosta (Liliaceae). Germination was hypogeal. The seed slowly deteriorated on OS at 70. H. sieboldi germ. 70(73% in 1-3w) and 40(75% in 8th w) using seed that had been DS outdoors until February. This seed was given an additional 6 m DS at 70 after which it germ. 40(55% in 6-10 w) and 70(none).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Hosta p. 153. 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.