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Eustoma
Eustoma, commonly known as lisianthus or prairie gentian, is a small genus of plants in the gentian family. They are native to warm regions of the southern United States, Mexico, Caribbean and northern South America. This genus is typically found in grasslands and in areas of disturbed ground.
Eustoma is a beautiful, high-end cut flower, but it is tricky to grow and requires some maintenance. It has tiny seeds that must be sown on the surface, not buried, and it must be planted in rich, well-drained soil and exposed to full sun. It must be kept moist but not overwatered: overwatering may result in the growth and development of fungal diseases. Careful control of temperature is necessary to prevent rosetting and cultivation under cover is recommended to prevent spotting on the petals. Lisianthus flowers will begin to bloom in early summer and some will continue to bloom throughout the later months of the summer.
When cut, Lisianthus flowers can last anywhere from two to three weeks in a vase.
Text excerpted from the Wikipedia article Eustoma by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
