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Approximately 220.00 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 Picea pungens is cold hardy
USDA Zone:5 -20° to -10°F (-29° to -23.5°C)
|Type of plant - evergreen tree
cones to 12x3cm.
2-2.5cm. long, radial
|Height, in meters: 40
Height, in feet: 132.00
|Picea pungens sales history
Synonyms (alternative names) for Picea pungens:
|Picea pungens f. argentea, Picea pungens f. glauca, Picea pungens var. glauca,|
Common names for Picea pungens:
|Blue Spruce, Colorado Blue Spruce, Colorado Spruce, Stechfichte,|
is included in the following
B and T World Seeds flowering plant categories.
|We are looking for seeds from this plant, if you know where we can find seeds or would like to be told when we have a source, please let me know.|
|29||: Temperate Forest and Woodland Tree and Shrub Seed List|
|51||: Chinese Native and Introduced Plants|
|76||: Californian Native Plant Seed List|
|85||: Natives of U.S.South West (Arizona Texas New Mexico)|
|87||: Natives of Central U.S.A.|
|94||: Natives of Rocky Mountain Area U.S.A.|
|157||: Conifer Seed List|
|See also *Australian and New Zealand Conifer Seed List|
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.
Picea pungens seeds will usually germinate in 30-60 days, even under good conditions germination may be erratic.
Picea pungens 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".
Pre-chilling has been found to be unnecessary. Picea pungens seeds germinate best if kept warm and in contact with (pressed into, but not covered by) humid calcareous soil. Mycorrhizae are usually found on seedlings.