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Yucca smalliana

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Elements of Structural and Systematic Botany
B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 82332

The average, annual, minimum temperature zone where Yucca smalliana is cold hardy
USDA Zone:9 20° to 30°F   (-6.5° to -1°C)
Type of plant - shrub
Flower or inflorescence: WHITE, to 5cm.long, in spike
Foliage: 1m., BLUE-GREEN sword
Height, in meters: 2
Height, in feet: 6.60
Yucca smalliana sales history

Common names for Yucca smalliana:

Adam's Needle,  Bear Grass, 


Yucca smalliana is included in the following
B and T World Seeds flowering plant categories.

26:   Succulent Plant Seed List
43:   Herbaceous Border Plant Seed List
57:   Arid and Dry Condition Plant Seed List
76:   Californian Native Plant Seed List
89:   Natives of U.S.South East
131:   Toxic Plants
Some of the deadliest known poisons are found in plants. Some major food plants, eaten by millions of people every day, have toxic parts.
190:   Trees and Shrubs For Mediterranean Climates
204:  Agavaceae
720:   Fire Resistant Plants
Different classes of resistance: some grow back, some don't burn, a few have highly inflammable leaves that leave the rest of the plant intact, some trees don't have lower branches.


Happier and Healthier Plants, Naturally

plant-fungus communities, for improved nutrition, and disease and drought resistance.


Germination guide for Yucca smalliana

These notes are a general guide, it is recommended to check specialist literature for some of the more unusual seeds in our lists.
Seed Germination Theory and Practice by Professor Norman C. Deno
Some knowledge about growing from seed is necessary to germinate even the easiest seeds. Most seeds require humidity to germinate, even desert plants like Welwitschia mirabilis require that their growing medium remains moist until germination.

Most seeds require oxygen to germinate, if buried too deep in their growing medium, or if the medium is too wet, the seeds may not get the oxygen they require.
Some seeds need to be in the light (surface sown) or in the dark (sown deep enough to receive little or no light) to germinate. A rule of thumb is to cover the seeds their own width deep in the growing medium, but some seeds prefer to be sown much deeper, and some fairly large seeds like to be surface sown (or higher).
Many seeds germinate best at certain temperatures, some will germinate at a comparatively wide range of temperatures, yet others need fluctuating temperatures.
Almost all seeds are waiting in a dormant state for some outside stimulus to break their dormancy, some just need sufficiently high ambiant humidity, others need scarification, vernalization or to be passed through the intestines of an animal.

Yucca smalliana seeds will usually germinate in 30-365 days, even under good conditions germination may be erratic.
Sow Yucca smalliana seeds about 1mm deep in a Well drained seed sowing mix at about 22°C.

Filamentosa germinates at 55#F.


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