Information for Picea pungens Glauca select bluest form

Picea pungens Glauca select bluest form - 28  gram for 102 Euros
Picea pungens Glauca select bluest form - 113  gram for 279 Euros

B and T World Seeds' reference number: 453037
USDA average, annual, minimum temperature Zone:2
Type of plant - evergreen tree
Foliage: distinctive BLUE-GREEN needles..habit pyramidal, symmetrical
Height in meters: 15 X -

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)
560:  Pinaceae
719:   North American Native Ethnobotanicals

Germination guide
Picea pungens Glauca select bluest form 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 Picea pungens Glauca select bluest form seeds on the surface of a sandy, calcareous seed sowing mix at about 21C.

Stratification (cold treatment or vernalization) Some seeds need to be overwintered before they will germinate. Some seeds 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 4C or 5C 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.

SEED GERMINATION THEORY AND PRACTICE; by Professor Norman C. Deno
B & T World Seeds Route des Marchandes, Paguignan, 34210 Aigues-Vives, France
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