| Marsh Marigold Caltha palustris Marsh Marigold is a member of the Buttercup family. It can be found along or in streams and swamps, and marshy sites. Its bright yellow flowers can reach a diameter of 2" around and its heart-shaped leaves are large and reaching up to a length of 5". This flower blooms April thru May and likes sandy, wet soils in full sun to light shade. |
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Missouri Primrose Oenothera missouriensis Brilliant yellow, four petaled flowers droop as they open in the evening, and fade the next day. Grows to a height of 8"-12" and blooms May thru Sept. Found on prairies and rocky slopes. This plant prefers well drained soils in full sun and is drought tolerant. |
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| Partridge Pea Cassia fasiculata This plant produces beautiful, showy, yellow flowers on short branches. Grows to a height of 8"-12" and blooms May thru Sept. This member of the Pea family forms pods up to 2 ½" long. An annual that reseeds itself, it prefers dry to moist well drained soils in full sun to light shade and is drought tolerant. Companion plants could be Lupine (Lupinus perennis), and June Grass (Koeleria cristata). |
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| Potato Dandelion Krigia dandelion |
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| Prairie Buttercup Ranunculus rhombeideus One of the first signs of spring is the sight of the Prairie Buttercup. The plant grows best in rich moist soils. The flowers are about a half-inch wide. Basal leaves are rhombic or nearly round with shallow rounded teeth. The upper leaves are dissected into three to five narrow segments. This plant only reaches a height of three to five when in bloom. The leaves and stem are covered with fine silky hairs. |
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| Prairie Cinquefoil Potentilla arguta A sturdy plant with spreading hairs on the stems and leaves. The stems are unbranched below the creamy white to pale yellow flower clusters. Grows to a height of 2'-3' and blooms June thru September. This plant grows well in dry to medium soils in full sun to light shade. |
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Prairie Dock Silphium terebinthinaceum Prairie Dock is easily recognized by its large spade shaped, basal leaves which can grow up to 16" long. Its yellow flowers bloom atop the smooth, shiny, leafless stalks that reach a height of 2'-10'. It blooms August thru October and prefers medium to wet well drained soils in full sun. Companion plants could be Big Bluestem (Andropogon gerardi), Yellow Coneflower, (Ratibida pinnata), Purple Prairie Clover (Petalostemum purpureum), and Sneezweed (Helenium autumnale). |
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