Deno’s Garden

Capparis spinosa

Genus Capparis

Two sources report 4 treatments between them. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing.

0% germination.

Nothing germinated at 70.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Capparis p. 28Public domain
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Capparis (Capparidaceae). The data on C. spinosa is now complete. Seeds germ. 70 GA-3(19% in 2-8 w)-40(3%)-70(6%), 70L-40-70L(10% in 2nd w), and none in 70D-40-70D. A second sample weré all empty seed coats.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Capparis p. 28. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.

Protocol 2

DerivedN. C. Deno, 1996

Difficulty High Rated by us, not by the source.

Start around November 10, 2026 for a May 3 last frost.

  1. Gibberellic acid soak

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    3 germinated in this phase.

  4. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

    6 germinated in this phase.

Steps after step 2 run on after germination.

about 3 months from start to sowing. Then 56 days to germinate.

19% germination in 14–56 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Capparis p. 28Public domain
Show the original text
Capparis (Capparidaceae). The data on C. spinosa is now complete. Seeds germ. 70 GA-3(19% in 2-8 w)-40(3%)-70(6%), 70L-40-70L(10% in 2nd w), and none in 70D-40-70D. A second sample weré all empty seed coats.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Capparis p. 28. 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.

Start around June 26, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on June 25, 2026.

  1. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Warm moist stratification

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

about 9 months from start to sowing. Then 14 days to germinate.

10% germination in 14 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Capparis p. 28Public domain
Show the original text
Capparis (Capparidaceae). The data on C. spinosa is now complete. Seeds germ. 70 GA-3(19% in 2-8 w)-40(3%)-70(6%), 70L-40-70L(10% in 2nd w), and none in 70D-40-70D. A second sample weré all empty seed coats.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Capparis p. 28. 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, 1993

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

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

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C

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

6% germination in 21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Capparis p. 113Public domain
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Capparis (Capparidaceae). C. spinosa germ. 70 GA-3(2/31 in 3rd w) and none in the first month in 70D, 70L, or 40. Data for only first 6 w. Capsicum-(Solanaceae).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Capparis p. 113. 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.