Eustoma is a perennial herb of Gentianaceae, belonging to perennial plants. Eustoma is also called grassland gentian, also called Libo flower. Plant height 30-100 cm. The leaves are opposite, broadly elliptic to lanceolate, almost sessile, and the leaf base is slightly clasped; the leaf surface is blue-green. The stamens are conspicuous, the bracts are narrowly lanceolate, and the petals are imbricate. The flowers are rich in color, with single-color and multi-color, and the petals are divided into single-petal and double-petal.

The varieties of Eustoma are generally divided into single-flowered and double-flowered varieties.

One：Double flower varieties

1."Caterina" series

The "Caterina" series blooms under long-day and hot summer conditions, with larger flowers, stronger stems, and a plant height of 100-115cm. The time from transplanting to harvest is 11-13 weeks. Colors are bluish and yellow.

2."Echo" series

Eustoma of the "Echo" series is the most common cut flower variety. The best time to plant is in early spring, when the longest stems will grow after planting. Under lower light conditions, the "Echo" series of Eustoma flower extracts are weak and the harvest time is delayed. The collection comes in a variety of colors, including shaded blues, pinks and bright whites.

3."Balboa" series

The "Balboa" series performed well and showed very high market competitiveness. This series grows faster, has a large number of petals, and is 100-150cm tall. It blooms in the long-day and warmer spring and summer seasons. Planting trials have shown that the "Balboa" series is very suitable for field cut flower production, and it takes 11-13 weeks from transplanting to harvesting. The average length of the flower stem can reach 50cm, and 31 flowers can grow on each plant, producing 4 cut flowers. The colors are blue, with a blue edge and with a blue halo.

TWO： Single-petal flower varieties

1."Flamenco" series

This series is suitable for long-day, hot summer production. It does well in the state of Maryland, with long, robust stems. The flowers are shades of blue, pink and white.

2 ."Laguna" series

This series is suitable for planting under high temperature conditions in summer. In the cultivation test, its average flower stem is 48cm, and there are 25 flowers on each plant, which can produce 3 cut flowers. The time from transplanting to harvesting is 11-13 weeks, and the colors are dark blue, blue halo, dark rose red and rose pink.

3."Malibu" series

Spring and fall are suitable for the series to bloom, summer production is less than ideal. The time from transplanting to harvesting is 11-12 weeks, and the colors are lavender, dark blue, blue edge and rose.

Eustoma, with light plant shape, elegant color and strong germination power, is one of the most popular types of potted and cut flowers in the world. Potted plants are used to decorate the living room, balcony or windowsill, showing a fresh and elegant feeling. If you cut out a few purple eustoma flowers and match them with white lilies, it is very appropriate for flower arrangements.