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B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Clematis columbiana is cold hardy
USDA Zone:4 -30° to -20°F (-34.5° to -29°C)
|Type of plant - climber
Flower or inflorescence:
deep BLUE, campan., 3-6cm. long, pointed sepals
(germinate warm in light, 2-10 weeks)
pinnately trifoliate...humus rich soil, semi-shade
|Clematis columbiana seeds may be subject to seasonal availability
| Parts of Clematis columbiana are considered toxic.
Common names for Clematis columbiana:
|Blue Virgin's Bower, Rock Clematis, Wild Clematis,|
is included in the following
B and T World Seeds flowering plant categories.
|9||: Alpine and Rock Garden Seed List (Hardy and Tender)|
|39||: Climbing Plant Seeds|
|88||: Natives of U.S.North West|
|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.|
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 columbiana seeds will usually germinate in 30-270+ days, even under good conditions germination may be erratic.
Soak Clematis columbiana 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)