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Sideritis hyssopifolia

Mountain Tea · Rock Tea

Family LamiaceaeGenus Sideritis

A dense cone-shaped spike of pale yellow hooded flowers with dark anthers, on a woolly stem with narrow leaves.
FlowerKrzysztof Ziarnek, KenraizCC BY-SA 4.0

About the plant

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

Habit
subshrubPlants of the World Online
Flower
Pale yellowRead from the photograph on this page
Native range
France, Italy, Sicilia, Spain, SwitzerlandGBIF 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; Read from the photograph on this page — Deno's Garden; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

  • Hyssopifolia means "hyssop-leaved". This mountain ironwort is a shrublet about 40 cm tall, flowering from June to August in dense clusters set among spiny-toothed bracts. Wikipedia: Sideritis hyssopifolia

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 April 1, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: either

No stated waiting before sowing. Then 4 days to germinate.

82% germination in 3–4 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Sideritis p. 214Public domain
Show the original text
Sideritis (Lamiaceae). S. hyssopifolia germ. 70(82% in 3-4 d) and 40(20% in 12th w)-70(27% in 4-6 d). Light had no effect.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Sideritis p. 214. 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 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 Light: either

    20 germinated in this phase.

  2. Warm moist stratification

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

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

27% germination in 4–6 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Sideritis p. 214Public domain
Show the original text
Sideritis (Lamiaceae). S. hyssopifolia germ. 70(82% in 3-4 d) and 40(20% in 12th w)-70(27% in 4-6 d). Light had no effect.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Sideritis p. 214. 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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