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Uvularia grandiflora

Bellwort · Large-flowered Bellwort · Largeflower Bellwort

Family ColchicaceaeGenus Uvularia

Nodding yellow bells with twisted petals below fresh green leaves
FlowerPermission granted to use under GFDL by Kurt StueberCC BY-SA 3.0

About the plant

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

The plant

Habit
Herbaceous perennialPlant Finder
Habit
rhizomatous geophytePlants of the World Online
Height
1.5-2 ft45-60 cmPlant Finder
Spread
1-1.5 ft30-45 cmPlant Finder
Flower
Showy, good cut; yellowPlant Finder
Blooms
April to MayPlant Finder
Native range
Eastern and central North AmericaPlant Finder
Hardiness zones
4-9Plant Finder
Note
Two-step, hypogeal germination. It self-sows where Deno gardened, but his sown seedlings did not develop properly.Seed Germination Theory and Practice, 2nd ed.

Growing conditions

Sun
Part shade to full shadePlant Finder
Soil
Average, medium, well-drained; prefers moist and humusyPlant Finder
Moisture
Good Drainage, MoistExtension Gardener Plant Toolbox
Watering
MediumPlant Finder

Toxicity is noted only where a source states it. No note here is not a finding of safety.

Sources: Plant Finder — Missouri Botanical Garden; Plants of the World Online — Royal Botanic Gardens, Kew; Extension Gardener Plant Toolbox — NC State Extension; Seed Germination Theory and Practice, 2nd ed. — N. C. Deno.

Worth knowing

  • Bumblebees, mason bees and other bees feed at its flowers. Its seeds carry food bodies that attract ants, and deer love to eat it. Wikipedia: Uvularia grandiflora

Protocol

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

  1. Sow outdoors and leave it

    Sow in August, as soon as the seed is ripe. Up in May and June of the next year.

No stated waiting before sowing. Germination time not stated; 21 days assumed.

32% germination.

32%, up the following May and June. Every other treatment Deno tried came in under 10%.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, UvulariaPublic domain
Show the original text
Uvularia (Liliaceae). U. grandiflora germination is two step and hypogeal. Fresh seed sown outdoors in August as soon as it was ripe germ. 32% in May and June of the next year. Other treatments germ. under 10%. So far the seedlings have not developed properly and GA-3 needs to be tried. This species self sows here.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Uvularia. 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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