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Clematis viorna


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Clematis viorna

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 403117

The average, annual, minimum temperature zone where Clematis viorna is cold hardy
USDA Zone:4 -30° to -20°F   (-34.5° to -29°C)
Type of plant - perennial climber
Flower or inflorescence: VIOLET PURPLE, vase shaped, pale recurved tips
Foliage: 5-7 foliol., 7cm. ov.-lance. lfts.
Height, in meters: 3
Height, in feet: 9.90
Clematis viorna sales history
Parts of Clematis viorna are considered toxic.

Common names for Clematis viorna:

Leather Flower,  Vase Vine, 


Clematis viorna is included in the following
B and T World Seeds flowering plant categories.

40:   Shrub Seed List, Hardy and Tender
85:   Natives of U.S.South West (Arizona Texas New Mexico)
86:   Natives of U.S.North East
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.
185:   Plant Species whose germination is improved by Smoke
"Smoke" contains a butenolide compound produced by certain plants when heated, it speeds up or starts the germination of seeds from many different genera.
587:  Ranunculaceae
719:   North American Native Ethnobotanicals
Including medicinal, dye, fiber, food, construction, ritual


Happier and Healthier Plants, Naturally

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


Germination guide for Clematis viorna

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.

Clematis viorna seeds will usually germinate in 30-270+ days, even under good conditions germination may be erratic.
Sow Clematis viorna seeds about 13mm deep in a Well drained seed sowing mix at about 22°C.

Soak Clematis viorna seeds in warm water for a day and a night, sow just below the surface of a sandy - loamy mix, keep at about 25°C, dark and moist (not damp)


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