So, what have you found? A quick look in a flower guidebook will tell you that these little gems are called coltsfoot ( ...

While Aster yellows is more prevalent in the Midwest, it’s also here in southwestern Pennsylvania and can be confusing to many Pennsylvania gardeners.

Most woody ornamental plants are not affected by aster yellows. If you have plant or gardening questions, contact the Chicago Botanic Garden’s Plant Information Service at 847-835-0972.

"Aster" is Latin for "star," and the name is self-explanatory when you see the flower's fine petals radiating from its bright yellow eye. These plants are stars in another sense since they cover ...

Phytoplasmas live within the phloem (nutrient conducting vascular system) of plants. The aster yellows group of phytoplasmas can infect over 60 families of plants including many common garden ...

The flowers of white woodland aster light up the woodland garden for many weeks. If you love butterflies, you need asters in your autumn garden. Aster blossoms come in shades of blue, lavender ...

Aster season is coming to an end here in Zone 5, but don’t cut down those drying stalks just yet, says John Magee. A garden designer based in Middleburg, Va., John is a leader of the native plant ...

Your garden may not be looking Instagram ready at the moment, but don’t give up: There’s time for more color before the first frost. 19 Photos View Slide Show › By Margaret Roach On the cusp ...

Fall flowers include echinacea, hydrangeas, tea tree, and more blooms. Gardening experts share the best autumn flowers to grow in your garden.

Infected flowers have yellowed leaves and stems, stunted growth, sometimes curled leaves, and small, malformed green flowers. Members of the aster family (Asteraceae) are most commonly affected.