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Nepeta floccosa

Woolly Catmint

Family LamiaceaeGenus Nepeta

A gray-green clump of crinkled leaves sending up tall stems of small purple flowers among rocks
The whole plantIna SiebertCC0

About the plant

What it is and where it grows — not part of any germination protocol.

Habit
perennialPlants of the World Online
Flower
Blue, bluishFlora of China
Native range
Afghanistan, Pakistan, Tadzhikistan, Tibet, West Himalaya, XinjiangGBIF Backbone Taxonomy

Toxicity is noted only where a source states it. No note here is not a finding of safety.

Sources: Plants of the World Online — Royal Botanic Gardens, Kew; Flora of China — Wu Zhengyi, Peter H. Raven and Hong Deyuan (eds.); GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

Start around December 15, 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 3 months from start to step 2. Germination happens during step 2; time not stated, 21 days assumed.

83% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Nepeta p. 181Public domain
Show the original text
Nepeta (Lamiaceae). N. floccosa germ. 70(3/6) and 40-70(5/6).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Nepeta p. 181. 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 March 15, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Germination time not stated; 21 days assumed.

50% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Nepeta p. 181Public domain
Show the original text
Nepeta (Lamiaceae). N. floccosa germ. 70(3/6) and 40-70(5/6).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Nepeta p. 181. 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.

How each step is done, in Deno’s words, and what Verified and Derived mean.

Germination trials

Readers’ own records of sowing this species, published after review. Share your trial · All trials

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