Baptisia – False Indigo, Wild Indigo
The Baptisias are strong growing plants with yellow, white and dark blue flowers which somewhat resemble the Lupine, being peashaped. The flowers grow on a spike about 6 inches long. False Indigo (Baptisia australis) grows about 3 feet high, has dark blue flowers and dark bluish-green leaves cut very deeply to form three oval leaflets. Wild Indigo (B. tinctoria) has short leaves and bright yellow flowers. It grows from 2, feet to 4 feet high. These plants bloom from May through July.
UTILIZE. These are very striking plants for the border because of the excellent spikes of blue or yellow color. They are also good in the wild garden.
GENERAL. Baptisias should be planted in full sunlight, otherwise they prove to be shy in blooming. They will stand dry, sandy soils.
PROPAGATION. They are usually propagated from seeds and division of the plants which are very woody at the crown. The seeds should be sown as soon as they are gathered and wintered over in the coldframe, where they will germinate the following Spring.