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Polemonium foliosissimum

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Approximately 570.00 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.

Polemonium foliosissimum
We do not know how many seeds there will be in a packet !
If we know the quantity of seeds, we list the quantity as:
examples '200 seeds' or '0.50 gram', not as packet.
1 packet for 11 Euros
available for preorder

Polemonium foliosissimum
1 gram for 21 Euros
available for preorder

Polemonium foliosissimum
10 gram for 158 Euros
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Polemonium foliosissimum
100 gram for 1247 Euros
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Polemonium foliosissimum

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 34951

The average, annual, minimum temperature zone where Polemonium foliosissimum is cold hardy
USDA Zone:6-
Type of plant - perennial
Flower or inflorescence: BLUE-PURPLE (CREAM) 1.3cm. wide
Fruit: ovoid
Foliage: ranked lance. lfts., ferny
Height, in meters: 1.2
Height, in feet: 3.96
Polemonium foliosissimum sales history

Synonyms (alternative names) for Polemonium foliosissimum:
Polemoium filicinum, 

Common names for Polemonium foliosissimum:

Leafy Jacob's Ladder, 

Polemonium foliosissimum is included in the following
B and T World Seeds flowering plant categories.

31:   House and Container Plant Seed List
43:   Herbaceous Border Plant Seed List
85:   Natives of U.S.South West (Arizona Texas New Mexico)
88:   Natives of U.S.North West
94:   Natives of Rocky Mountain Area U.S.A.
572:  Polemoniaceae

Happier and Healthier Plants, Naturally

plant-fungus communities, for improved nutrition, and disease and drought resistance.

Germination guide for Polemonium foliosissimum

These notes are a general guide, it is recommended to check specialist literature for some of the more unusual seeds in our lists.
Seed Germination Theory and Practice by Professor Norman C. Deno
Some knowledge about growing from seed is necessary to germinate even the easiest seeds. Most seeds require humidity to germinate, even desert plants like Welwitschia mirabilis 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.
Some seeds need to be in the light (surface sown) or in the dark (sown deep enough to receive little or no light) to germinate. A rule of thumb is to cover the seeds their own width deep in the growing medium, but some seeds prefer to be sown much deeper, and some fairly large seeds like to be surface sown (or higher).
Many seeds germinate best at certain temperatures, some will germinate at a comparatively wide range of temperatures, yet others need fluctuating temperatures.
Almost all seeds are waiting in a dormant state for some outside stimulus to break their dormancy, some just need sufficiently high ambiant humidity, others need scarification, vernalization or to be passed through the intestines of an animal.

Polemonium foliosissimum seeds will usually germinate in 20-25 days.
Sow Polemonium foliosissimum seeds about 2mm deep in a Peaty seed sowing mix at about 20°C.

Reduce soil temperature at night.

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