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B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Cirsium spinosissimum is cold hardy
USDA Zone:5 -20° to -10°F (-29° to -23.5°C)
|Type of plant - perennial
Flower or inflorescence:
pale YELLOW, in 3.5cm. capitula
cypsela to 5mm. long
pinnatif. lobed. suborb.
|Height, in meters: 1.2
Height, in feet: 3.96
|Cirsium spinosissimum sales history
Common names for Cirsium spinosissimum:
is included in the following
B and T World Seeds flowering plant categories.
|43||: Herbaceous Border Plant Seed List|
|44||: Cut flowers Commercial and other Recommended Varieties|
|77||: Central European Native and Introduced Plants|
|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.
Cirsium spinosissimum seeds will usually germinate in 15-18 days.