Deno’s Garden

Townsendia exscapa

Genus Townsendia

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 March 26, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 10 days to germinate.

100% germination in 7–10 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Townsendia p. 221Public domain
Show the original text
Townsendia (Asteraceae). This genus is composed entirely of 0-70 germinators. The time required for DS may be short as in T. exscapa germ. 70(100% in 7-10 d) and 40-70(100% in 7-10 d).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Townsendia p. 221. 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 September 27, 2026 for a May 3 last frost.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

about 6 months from start to sowing. Then 10 days to germinate.

100% germination in 7–10 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Townsendia p. 221Public domain
Show the original text
Townsendia (Asteraceae). This genus is composed entirely of 0-70 germinators. The time required for DS may be short as in T. exscapa germ. 70(100% in 7-10 d) and 40-70(100% in 7-10 d).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Townsendia p. 221. 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.