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B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Picea pungens Glauca select bluest form is cold hardy
USDA Zone:2 -50° to -40°F (-45.5° to -40°C)
|Type of plant - evergreen tree
distinctive BLUE-GREEN needles..habit pyramidal, symmetrical
|Height, in meters: 15
Height, in feet: 49.50
|Picea pungens Glauca select bluest form sales history
Common names for Picea pungens Glauca select bluest form:
|Colorado Blue Spruce,|
Picea pungens Glauca select bluest form
is included in the following
B and T World Seeds flowering plant categories.
|11||: Bonsai Seed List (Hardy and Tender)|
|29||: Temperate Forest and Woodland Tree and Shrub Seed List|
|85||: Natives of U.S.South West (Arizona Texas New Mexico)|
|719||: North American Native Ethnobotanicals|
|Including medicinal, dye, fiber, food, construction, ritual|
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 Glauca select bluest form seeds will usually germinate in 30-60 days, even under good conditions germination may be erratic.
Picea pungens Glauca select bluest form 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.