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Approximately 850.00 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 Polemonium pulcherrimum is cold hardy
|Type of plant - perennial
Flower or inflorescence:
large BLUE, YELLOW throat, campan., May - July
11-25, 3cm. lfts.
|Height, in meters: 0.25
Height, in feet: 0.83
|Polemonium pulcherrimum sales history
Synonyms (alternative names) for Polemonium pulcherrimum:
|Polemonium haydenii, Polemonium lindleyii, Polemonium pulchellum,|
is included in the following
B and T World Seeds flowering plant categories.
|1||: Stock list|
|Our stock changes almost every day, with seeds arriving and being shipped all over the world.|
We only stock long lived seeds, except for a few species that are always in demand.
Seeds that are not in stock are acquired fresh when ordered.
|9||: Alpine and Rock Garden Seed List (Hardy and Tender)|
|31||: House and Container Plant Seed List|
|43||: Herbaceous Border Plant Seed List|
|76||: Californian Native Plant Seed List|
|88||: Natives of U.S.North West|
|94||: Natives of Rocky Mountain Area U.S.A.|
|952||: Wholesale Selection|
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.
Polemonium pulcherrimum seeds will usually germinate in 20-25 days.
Reduce soil temperature at night.