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Lachenalia glaucina

Newlands Viooltjie

Family AsparagaceaeGenus Lachenalia

Also published as Lachenalia orchioides subsp. glaucina. You are in the right place.

Spikes of bluish-purple tubular flowers on dark stems among grass
FlowerTony RebeloCC BY-SA 4.0
A plate of a bulb's flower spike, its tubular white flowers tipped green and hanging in tiers, with two strap leaves and dissected flower parts beside it.
IllustrationLindleyPublic domain

About the plant

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

The plant

Habit
Bulb, PerennialExtension Gardener Plant Toolbox
Habit
bulbous geophytePlants of the World Online
Height
1-2 ft30-60 cmExtension Gardener Plant Toolbox
Spread
0.8-1.5 ft25-45 cmExtension Gardener Plant Toolbox
Flower
Blue, Purple/LavenderExtension Gardener Plant Toolbox
Blooms
FallExtension Gardener Plant Toolbox
Native range
Cape ProvincesGBIF Backbone Taxonomy
Hardiness zones
8-10Extension Gardener Plant Toolbox

Growing conditions

Sun
Full sun; Partial ShadeExtension Gardener Plant Toolbox
Soil
Sand, Shallow RockyExtension Gardener Plant Toolbox
Moisture
Good Drainage, MoistExtension Gardener Plant Toolbox

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

Sources: Extension Gardener Plant Toolbox — NC State Extension; Plants of the World Online — Royal Botanic Gardens, Kew; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around March 15, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 21 days to germinate.

100% germination in 7–21 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Lachenalia p. 42Public domain
Show the original text
Lachenalia (Liliaceae). Data is much more complete than given in the Suppl., and now 22 species have been studied. In 17 of these light blocked , ' germination dramatically, and when the sample was shifted from 70L to 70D, germination commenced as if the period in 70L had not occurred. • L. glaucina germ. 70D(2/7 in 7th w) and 70L(none), When the sample in 70L was shifted to 70D after 8 w, 1/4 germ. in 6th w. • , - L. glaucina pallida germ. 70D(100% in 1-3 w) and 70L(none). When the sample in 70L was shifted to 70D after 4 w, 100% germ. in 2nd w. This was cónfirmed with a second sample.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Lachenalia p. 42. 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, 1998

Difficulty High Rated by us, not by the source.

Start around February 15, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 49 days to germinate.

29% germination in 49 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Lachenalia p. 42Public domain
Show the original text
Lachenalia (Liliaceae). Data is much more complete than given in the Suppl., and now 22 species have been studied. In 17 of these light blocked , ' germination dramatically, and when the sample was shifted from 70L to 70D, germination commenced as if the period in 70L had not occurred. • L. glaucina germ. 70D(2/7 in 7th w) and 70L(none), When the sample in 70L was shifted to 70D after 8 w, 1/4 germ. in 6th w. • , - L. glaucina pallida germ. 70D(100% in 1-3 w) and 70L(none). When the sample in 70L was shifted to 70D after 4 w, 100% germ. in 2nd w. This was cónfirmed with a second sample.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Lachenalia p. 42. 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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