B and T World Seeds' reference number:
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
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,|
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.|
|719||: North American Native Ethnobotanicals|
|Including medicinal, dye, fiber, food, construction, ritual|
Some knowledge about growing from seed is necessary to germinate even the easiest seeds.
Most seeds require humidity to germinate, even desert plants like
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.
Clematis viorna seeds will usually germinate in 30-270+ days, even under good conditions germination may be erratic.
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)