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Printer ready version of Pinus jeffreyi information

Information and prices for
Pinus jeffreyi

Approximately 7.20 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.

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Pinus jeffreyi
10 gram for 25 Euros
available for preorder


Pinus jeffreyi
28 gram for 28 Euros
available for preorder


Pinus jeffreyi
56 gram for 41 Euros
available for preorder


Pinus jeffreyi
113 gram for 76 Euros
available for preorder


Pinus jeffreyi
100 gram for 115 Euros
available for preorder


Pinus jeffreyi
454 gram for 149 Euros
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Pinus jeffreyi
500 gram for 448 Euros
available for preorder


Pinus jeffreyi
1000 gram for 906 Euros
available for preorder



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Pinus jeffreyi

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Elements of Structural and Systematic Botany
B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 2055

The average, annual, minimum temperature zone where Pinus jeffreyi is cold hardy
USDA Zone:8 10° to 20°F   (-12° to -6.5°C)
Type of plant - evergreen tree
Fruit: cone to 25x15cm. open
Foliage: to 27cm.x2mm., in 3s
Height, in meters: 55
Height, in feet: 181.50
Pinus jeffreyi sales history

Common names for Pinus jeffreyi:

Jeffrey Pine,  Jeffrey's Pine,  Jeffreys Kiefer,  Pin de jeffrey, 


Pinus jeffreyi is included in the following
B and T World Seeds flowering plant categories.

76:   Californian Native Plant Seed List
88:   Natives of U.S.North West
157:   Conifer Seed List
See also *Australian and New Zealand Conifer Seed List
560:  Pinaceae
719:   North American Native Ethnobotanicals
Including medicinal, dye, fiber, food, construction, ritual


Happier and Healthier Plants, Naturally

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


Germination guide for Pinus jeffreyi

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.

Pinus jeffreyi seeds will usually germinate in 30-60 days, even under good conditions germination may be erratic.
Normally will only germinate with light so surface sow. Sow Pinus jeffreyi seeds on the surface of a Well drained seed sowing mix at about 15°C.

Pinus jeffreyi seeds need to be "overwintered" before they will germinate.

Stratification; cold treatment or vernalization. Seeds of some species need just a couple of weeks, others 3 months. Seeds can be stratified in dampened peat or sand, in a plastic box or bag at 4°C or 5°C in a refrigerator. The seeds should not be frozen or in a wet medium. Very small seeds can be sown on the surface of their growing medium, in pots sealed in plastic bags, and kept in the 'fridge. Many vernalized seeds need light to germinate when they are sown in the "Spring".
Seed Germination Theory and Practice by Professor Norman C. Deno

Soak seed (Pre-chill for 6 weeks)


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