If your annual flowers aren't exploding with celebratory fireworks of color right now, it may be lack of fertilizer.

We visited the RHS Hampton Court Palace Garden Festival, and these were the three must-have plants and flowers we are growing ...

Eryngiums – or sea hollies – include the fabulously blue cone-shaped flowers of Eryngium × oliverianum Big Blue and the more thistle-like Eryngium bourgatii Picos Blue. Both have spiky ...

It's recognized for its distinctive, spiky flowers that grow from spring until first frost. Porterweed comes in an array of gorgeous colors including blue, coral, pink, purple and red. PHOTO BY ...

Corpse flowers, or Amorphophallus titanum, are a species of plant native to the Indonesian rainforest. They only bloom after storing up sufficient energy, which, according to the U.S. Botanical Garden ...

Plant a cluster of spiky flowers in the mix and you will never want to be without them. It was about 30 years ago that the first varieties of Angelonia angustifolia or angel flower showed up in ...

Angelface Wedgwood Blue angelonia has won 17 awards from Canada to Florida. ... Plant a cluster of spiky flowers in the mix and you will never want to be without them. Advertisement.