Deno’s GardenMy Garden

Heterotheca fulcrata

Green Camphorweed · Rockyscree False Goldenaster · Mountain Camphorweed

Family AsteraceaeGenus Heterotheca

Yellow daisies on short stems rising from gray woolly foliage, growing out of a crack in sunlit rock.
FlowerNicola van BerkelCC BY-SA 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/herb, SubshrubPLANTS Database
Flower
YellowRead from the photograph on this page
Native range
Arizona, Mexico Northeast, Mexico Northwest, New Mexico, TexasGBIF 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; PLANTS Database — USDA NRCS; Read from the photograph on this page — Deno's Garden; 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 8, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

Germination happens during step 1, in 28 days.

100% germination in 14–28 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Heterotheca p. 152Public domain
Show the original text
Heterotheca (Asteraceae). H. fulcrata germ. 70(100% in 3-5 d) and 40(100% in 2-4 w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Heterotheca p. 152. 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 Low Rated by us, not by the source.

Start around March 31, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 5 days to germinate.

100% germination in 3–5 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Heterotheca p. 152Public domain
Show the original text
Heterotheca (Asteraceae). H. fulcrata germ. 70(100% in 3-5 d) and 40(100% in 2-4 w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Heterotheca p. 152. 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

Add to My Garden

View species page