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Approximately 110.00 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Echinops ritro ssp ruthenicus Platinum Blue c.s. is cold hardy
USDA Zone:6 -10° to 0°F (-23.5° to -18°C)
|Type of plant - perennial
Flower or inflorescence:
bright SKY-BLUE globular heads
divided, WHITE lan. ben., stems SILVERY (white woolly)
|Height, in meters: 1
Height, in feet: 3.30
|Echinops ritro ssp ruthenicus Platinum Blue c.s. sales history
Synonyms (alternative names) for Echinops ritro ssp ruthenicus Platinum Blue c.s.:
Common names for Echinops ritro ssp ruthenicus Platinum Blue c.s.:
|Globe Thistle, Kugeldistel, Platinum Blue Globe Thistle,|
Echinops ritro ssp ruthenicus Platinum Blue c.s.
is included in the following
B and T World Seeds flowering plant categories.
|19||: Everlasting and Dried Flower Seeds Australian and Other|
|43||: Herbaceous Border Plant Seed List|
|44||: Cut flowers Commercial and other Recommended Varieties|
|45||: Bee and Butterfly Attracting also Honey and Pollen Plant Seeds|
|51||: Chinese Native and Introduced Plants|
|72||: Russian Native and Introduced Plants (Central)|
|102||: Eastern European Native Plant Seed List|
|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.
Echinops ritro ssp ruthenicus Platinum Blue c.s. seeds will usually germinate in 15-60 days.