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Blephilia hirsuta

Hairy Blephilia · Hairy Pagoda Plant · Hairy Wood Mint · Hairy Pagoda-plant

Family LamiaceaeGenus Blephilia

Dense whorls of small white flowers spotted purple, on a very hairy stem with toothed leaves
FlowerAlex AbairCC BY 4.0

About the plant

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

Habit
perennialPlants of the World Online
Habit
Perennial, Forb/herbPLANTS Database
Flower
Light blue, pale purple, whiteWikipedia
Native range
Canada, lower 48 statesPLANTS Database

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; PLANTS Database — USDA NRCS; Wikipedia — Wikipedia contributors.

Worth knowing

  • Many bees, flies and butterflies pollinate hairy wood-mint, from honeybees and mason bees to bee-flies and skippers. Most come for its nectar, though some are after the pollen. Wikipedia: Blephilia hirsuta

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around March 8, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 28 days to germinate.

60% germination in 7–28 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Blephilia p. 25Public domain
Show the original text
Blephilia (Lamiaceae). B. hirsuta germ. 70L(60% in 1-4 w), 40-70D(22% in 4-6 d), and 70D-40-70D(60% in 5th w).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Blephilia p. 25. 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, 1996

Difficulty High Rated by us, not by the source.

Start around September 3, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 2, 2026.

  1. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Warm moist stratification

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

about 6 months from start to step 3. Germination happens during step 3, in 35 days.

60% germination in 35 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Blephilia p. 25Public domain
Show the original text
Blephilia (Lamiaceae). B. hirsuta germ. 70L(60% in 1-4 w), 40-70D(22% in 4-6 d), and 70D-40-70D(60% in 5th w).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Blephilia p. 25. 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 December 30, 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 Light: dark

about 3 months from start to step 2. Germination happens during step 2, in 6 days.

22% germination in 4–6 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Blephilia p. 25Public domain
Show the original text
Blephilia (Lamiaceae). B. hirsuta germ. 70L(60% in 1-4 w), 40-70D(22% in 4-6 d), and 70D-40-70D(60% in 5th w).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Blephilia p. 25. 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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