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Xylanthemum pamiricum

Family AsteraceaeGenus Xylanthemum

A two-part figure: a low bush of gray ferny foliage dotted with small yellow button flowers on sandy ground, with a close view of two flower heads inset at the right.
The whole plantArkadiusz Nowak, Marcin Nobis, Sylwia Nowak, Agnieszka Nobis, Anna Wróbel, Sebastian Świerszcz, Ewelina Klichowska, Iwona Dembicz & Grzegorz KuszaCC BY 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
Greenish-yellowFlora of Pakistan
Native range
Afghanistan, Iran, Kirgizstan, Pakistan, TadzhikistanGBIF 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 Pakistan — S. I. Ali and M. Qaiser (eds.); GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

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 30, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 6 days to germinate.

100% germination in 2–6 days.

Every seed inside a week, buried. Nothing else needed.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, XylanthemumPublic domain
Show the original text
Xylanthemum (Asteraceae). X. pamiricum germ. 70D(100% in 2-6 d) and 40(60%)-70(40%).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Xylanthemum. 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. Cold moist stratification

    Temperature: 40°F 4°C

    60% -- it germinates in the cold.

  2. Warm moist stratification

    Temperature: 70°F 21°C

    A further 40%.

Germination happens during step 2; time not stated, 21 days assumed.

60% germination.

60% in the cold and 40% more after the move -- the whole packet, the slow way round.

This source doesn't state how long step 1 lasts.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, XylanthemumPublic domain
Show the original text
Xylanthemum (Asteraceae). X. pamiricum germ. 70D(100% in 2-6 d) and 40(60%)-70(40%).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Xylanthemum. 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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