What shade perennials bloom the longest? Yellow corydalis (Corydalis lutea) is one of the longest-blooming perennials, flowering from late spring through frost. It is suitable for USDA zones 4 to 8.

From flowers to ferns, shade perennials can be just as stunning as ... "There's another variety that features yellow, daisy-looking flowers, and yet another called 'The Rocket' that boasts spikier ...

Vibrant orange perennials for shade give pollinators a nectar source and create a ... Another great option is coreopsis, which produces small yellow flowers surrounded by deep orange petals throughout ...

Silphium is in early breeding stages to be a low-input, alternative forage crop The Southwestern Colorado Research Center in ...