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Yucca baileyi

Alpine Yucca · Bailey's Yucca · Navajo Yucca

Family AsparagaceaeGenus Yucca

Also published as Yucca navajoa. You are in the right place.

A rosette of narrow blue-green leaves in a gravel garden
The whole plantThis photo has been taken by Matthieu Sontag (User:Mirgolth) and released under the licenses stated below. You are free to use it for any purpose as long as you credit me as author, Wikimedia Commons as site and follow the terms of the licenses. Could you be kind enough to leave me a message on this page to inform me about your use of this picture.CC BY-SA 4.0

About the plant

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

Habit
perennial or subshrubPlants of the World Online
Habit
Perennial, Forb/herb, Shrub, SubshrubPLANTS Database
Flower
Greenish-whiteWikipedia
Native range
Arizona, Colorado, New Mexico, UtahGBIF 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.

Worth knowing

  • Much of its range lies within the Navajo Reservation, hence the name Navajo yucca. The Navajo use yucca fibers to make a wide range of everyday and ceremonial items, and use the roots as soap. Wikipedia: Yucca baileyi

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

Start around December 31, 2026 for a May 3 last frost.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    Deno gives no length for this period; three months is his standard cycle.

  2. Warm moist stratification

    Temperature: 70°F 21°C

about 3 months from start to step 2. Germination happens during step 2, in 5 days.

100% germination in 3–5 days.

Every seed, three to five days after the move.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, YuccaPublic domain
Show the original text
Yucca (Liliaceae). V. navajoa germ. 70D(95% in 3-9 d); 40-70(100% in 3-5 d), and 60% in April in outdoor treatment. Possibly seed was killed by low T in the outdoor treatment.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Yucca. 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 27, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 9 days to germinate.

95% germination in 3–9 days.

95% buried and warm, with nothing done to it.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, YuccaPublic domain
Show the original text
Yucca (Liliaceae). V. navajoa germ. 70D(95% in 3-9 d); 40-70(100% in 3-5 d), and 60% in April in outdoor treatment. Possibly seed was killed by low T in the outdoor treatment.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Yucca. 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 3

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

  1. Sow outdoors and leave it

    Up in April.

No stated waiting before sowing.

60% germination.

60% outdoors. Deno suspects the cold killed some of the seed.

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

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, YuccaPublic domain
Show the original text
Yucca (Liliaceae). V. navajoa germ. 70D(95% in 3-9 d); 40-70(100% in 3-5 d), and 60% in April in outdoor treatment. Possibly seed was killed by low T in the outdoor treatment.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Yucca. 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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