Mutant varieties of the Marigold flower not only bring lively ... while simultaneously boosting indoor oxygen content. The perennial plant offers delicate flowers together with improved air ...

Their flowers typically are big and bold! They’re also inexpensive and usually found in single pots and four- or six-packs. Another plus? Many annuals, such as marigolds, nasturtiums ...

In the 1950s gardeners planted rows of marigolds Credit ... the mental health benefits of cheerful bedding plants compared to shrubs and perennials.” Eady says marguerites, calibrachoas and ...

A house filled with pure, clean air does not need air purifying systems. The beauty of perennial flowering plants improves ...