Heartleaf Meadow Parsnip - Zizia aptera
Exposure: Sun or partial shade
Color: Yellow
Height: 12-36 inches
Spread: 18-24 inches
Attracts: Butterflies, pollinators
Other attributes: Provides food for songbirds in the winter. 
Description: The lacy, flat-topped yellow flowers sit atop two-foot stems in mid-spring. This low maintenance plant is native to central and northern North America meadows.
Size: Quart