When temperatures lock in at 90 degrees and above, we will do most anything to make it seem cooler. One option is to plant cool rather than warm colors in the garden. Perhaps these summer blues ...

To gradually change flower color from pink to blue, broadcast one-half cup of wettable sulfur per 10 square feet and water. To make the flowers pink, broadcast a cup of dolomitic lime per 10 ...

Polemoniums offer robust pinnate foliage and, for certain species, sprays of powder blue to lavender flowers in summer. Species such as P. caeruleum, which also has a variegated form ...

Roses are red, violets are blue. Except they’re not. They’re, er, violet. True blue flowers are exceedingly rare, and not for lack of effort. Plant breeders have repeatedly tried to nudge ...

The scientists introduced genes from two other flowers that allowed the mums to mimic the chemical process producing blue pigment. This might be applicable to other flowers, like roses and lilies.

The blue flowers also pair well with any plant that has silver or gray foliage, including lavender, lamb’s ears, dusty miller, artemisia, and salvia. Gardening with George Weigel.

Plenty of flowers are bluish, but it’s rare to find true blue in nature, says Naonobu Noda, a plant researcher at the National Agriculture and Food Research Organization near Tsukuba, Japan, and ...

The growing process for blue-poppies. Longwood's research team became interested in raising their own blue-poppies when a graduate student, Shannon Still, was writing his thesis on the plant in 2002.