This is a preview. Log in through your library . Abstract Recent studies have shown that photosynthesis may increase under diffuse light regimes (e.g., cloud-generated) compared to direct (collimated) ...

Blue spruce (Picea pungens f. glauca), also called Colorado blue spruce, is a beautiful tree with blue-gray needles. Being colorful and relatively drought tolerant, it’s a favorite of many homeowners ...

I would venture to guess that the most popular evergreen tree for Idaho landscapes is the blue spruce (Picea pungens). They ...

Colorado Blue Spruce or Picea pungens is one of the most popular evergreens throughout our area. But is its natural habitat in Colorado? Blue Spruce is found in Colorado and in southwest range of ...

The Colorado blue spruce is outstanding in January, especially when contrasted against a blanket of snow or with a layer of frost on its bright, steel-blue needles. There are many different cultivars ...

The Metropolitan Police has published a list of 30 plants that can help homeowners protect their gardens from thieves, including giant rhubarb and gooseberry bushes. 27 February 2012 • 11:15am Blue ...

As we decorate our houses with evergreens for the season, and the silhouettes of deciduous trees stand out starkly against the white snow, evergreens in the landscape become the sole green sentinels ...