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Hackelia bella

Beautiful Stickseed · Greater Showy Stickseed

Family BoraginaceaeGenus Hackelia

A cluster of small white five-petalled flowers with yellow eyes above narrow green leaves
FlowerBen SimsCC0

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
WhiteWikipedia
Native range
California, OregonGBIF 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; Wikipedia — Wikipedia contributors; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Protocol

DerivedN. C. Deno, 1996

Difficulty High Rated by us, not by the source.

  1. Cold moist stratification

    Temperature: 40°F 4°C

Germination happens during step 1, in 14 days.

22% germination in 14 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Hackelia p. 47Public domain
Show the original text
Hackelia (Boraginaceae). H. bella germ. 40(2/9 in I2th w) The remainina 7?h 2 ™nd f 6?S a" T" 'n a" o t h er "eatments. H. nervL germ 400/5?n 9 7 n r l fr H H,n ,n 0 U t d 0 0r treatment- T he s a mP, es of 5 seeds each in 70D or r G t t 6d w,t^,n a ,month- DesP'te the meagre data, there is a clear indication that the seeds germ.nate only at 40 and best if placed immediately at 40 Haleria (?).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Hackelia p. 47. 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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