Picea pungens - Blue spruce

continental : They prefer locations where they can receive direct sunlight for at least few hours.
Normally these are very rustic plants, therefore can be grown in the garden all year long.

alpine : It is advisable to place these plants in a very bright location, exposed to direct sunlight.
The Picea pungens are rustic plants, they can tolerate without any problem also intense frosts; during particularly rigid winters cover the aerial part with frost cloth.

mediterranean : Place these plants in a very bright location, possibly exposed to direct sunlight.
They are very rustic plants, that do not suffer from cold.

Fertilization Picea pungens : Usually trees do not need any fertilizer, since their roots are very extended in the soil and therefore they can move to search mineral salts necessary to the plant. Young trees shall be buried after having mixed a ripe organic fertilizer with the soil, or after having added a slow-release granular fertilizer. It can be necessary, during the years, to give some fertilizings, to be given by burying the selected fertilizer at the base of the plant at the end of winter.

continental : It is advisable to water regularly, specially during the hottest months of the year, avoiding to leave the soil dry for very long periods; the Picea pungens like slightly humid substrates all year long. In autumn and winter you can avoid watering, or intervene during warmest days only.

alpine : Try to keep a mostly humid soil, remember to water generously specially in summer; we can avoid watering during the cold season, or decrease waterings, intervening only in case of long duration drought.

mediterranean : Water the Picea pungens rather regularly from March to October, always allowing the soil to dry out well between two waterings. Avoid water excesses or stagnating water; during the cold season waterings can be decreased or suspended.

Treatments Picea pungens : Normally we intervene in case parasites are on the plant; in any case a precautionary treatment against fungal diseases in spring can be useful, applying Bordeaux mixture on the buds before they grow too much.