Colorado Blue Spruce grows in USDA hardiness zones 2 to 7. Norway Spruce, Picea abies, needs two years to establish after which it can grow up to 3 feet each year. Starting with a 2-foot potted ...

are all excellent options for attracting goldfinches. Many spruces, like the Norway spruce (Picea abies) and blue spruce (Picea pungens), can thrive in zones 2 through 7, and pines like the ...