Deno’s Garden

Bolboschoenus fluviatilis

Genus Bolboschoenus

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Very high 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. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: light

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

3% germination in 21 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Bolboschoenus p. 19Public domain
Show the original text
Bolboschoenus (Cyperaceae). Both species germ. only in 40-70L and none in 70D, 70L, 70 GA-3, or OS. B. fluviatilis germ 40-70L(3% in 3rd w), 70L-40-70L{6% in 2nd w), and 40-70D- 40-70L(1%). The pattern seems to be the same as
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Bolboschoenus p. 19. 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

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

Start around March 21, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 20, 2026.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: dark

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  4. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: light

about 12 months from start to sowing. Germination time not stated; 21 days assumed.

1% germination.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Bolboschoenus p. 19Public domain
Show the original text
Bolboschoenus (Cyperaceae). Both species germ. only in 40-70L and none in 70D, 70L, 70 GA-3, or OS. B. fluviatilis germ 40-70L(3% in 3rd w), 70L-40-70L{6% in 2nd w), and 40-70D- 40-70L(1%). The pattern seems to be the same as
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Bolboschoenus p. 19. 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.