Dwarf Alberta Spruce vs Christmas Blue spruce
Picea glauca conica
Picea pungens Christmas Blue
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Dwarf Alberta Spruce is a small tree with very dense foliage. It is an attractive specimen in landscape designs and small yards. This plant naturally grows into the classic conical shape, but responds well to shearing and pruning.
Dwarf Alberta Spruce is hardy and disease resistant. However, its thick foliage can collect mildew. Consider planting this tree in an open space where the wind can dry out its needles.
You can use this cultivar as a substitute for cedar or juniper.
The Christmas Blue Spruce is a popular choice for Christmas tree farms due to its strong scent and pyramidal shape. This is a cultivar of the Blue Spruce and is a cold-hardy evergreen tree with grey-blue needles.
The Christmas Blue Spruce is highly pollution tolerant, and is native to North America.