Deno’s Garden

Ferraria crispa

Genus Ferraria

This source reports 4 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around February 23, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on February 22, 2026.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 12 months from start to sowing. Then 42 days to germinate.

88% germination in 21–42 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Ferraria p. 33Public domain
Show the original text
Ferraria (Iridaceae). F. crispa germ. 70D(5/7 in 3-12 w) and 70L(0/7). Seeds DS 1 y germ. 70D(7/8 in 3-6 w). Seeds DS 2 y germ. 70D(2/5 in 6th w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Ferraria p. 33. 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 Low Rated by us, not by the source.

Start around January 11, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 84 days to germinate.

71% germination in 21–84 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Ferraria p. 33Public domain
Show the original text
Ferraria (Iridaceae). F. crispa germ. 70D(5/7 in 3-12 w) and 70L(0/7). Seeds DS 1 y germ. 70D(7/8 in 3-6 w). Seeds DS 2 y germ. 70D(2/5 in 6th w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Ferraria p. 33. 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, 1998

Difficulty Moderate Rated by us, not by the source.

Start around February 23, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on February 22, 2025.

  1. Dry storage

    Duration: 730 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 2 years from start to sowing. Then 42 days to germinate.

40% germination in 42 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Ferraria p. 33Public domain
Show the original text
Ferraria (Iridaceae). F. crispa germ. 70D(5/7 in 3-12 w) and 70L(0/7). Seeds DS 1 y germ. 70D(7/8 in 3-6 w). Seeds DS 2 y germ. 70D(2/5 in 6th w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Ferraria p. 33. 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, 1998

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

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing.

0% germination.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Ferraria p. 33Public domain
Show the original text
Ferraria (Iridaceae). F. crispa germ. 70D(5/7 in 3-12 w) and 70L(0/7). Seeds DS 1 y germ. 70D(7/8 in 3-6 w). Seeds DS 2 y germ. 70D(2/5 in 6th w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Ferraria p. 33. 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.