Eustoma grandiflorum, also called lisianthus russelianus, is a plant belonging to the family of Gentianaceae, which includes annual and perennial species. Eustoma is a perennial plant native to South America and the Caribbean islands. In the original places the eustoma can also grow spontaneously, while with us it is grown as an annual or biennial both as an apartment or garden plant and for the production of cut flowers. As an indoor plant it is used to make flower corners or have bouquet flowers.
It is a perennial herbaceous plant native to South America and the Caribbean islands. It has ample basal leaves, of bluish-green color, very decorative, throughout the summer it produces numerous stems that prune some buds, from which, in succession, large campanula-shaped flowers bloom, purple, pink, lilac, yellow or purple; the botanical species have purple or lilac flowers, the other colors are due to the breeders. These plants are grown as houseplants, but they are also very common as cut flowers, or they are placed in the garden, where they are grown as annuals. It is also known by the name Lisianthus.
History of Eustoma
In European countries, the import dates back to a fairly recent period, and its diffusion as an ornamental plant or the sale of cut flowers is even more recent. But quickly it has gained an important place and has become one of the favorite flowers both for the bouquets and as a plant to grow thanks to the variety of colors, the particular grace and the durability of the cut flower.
The eustoma calendar
To have good growth and abundant flowering it is good to keep them eustoma grandiflorum in a very bright place, but not exposed to direct sunlight for too many hours a day, especially during summer days that can have very high temperatures; these plants fear the cold, so in winter they should be kept indoors, possibly close to a window, but away from direct heat sources, such as radiators.
The eustoma plant it can be kept indoors, in a bright room, in a greenhouse, on a veranda or outside (on a balcony or a terrace in large planters, or in the garden near other plants): it will make any space where it is placed more beautiful. However, it should be emphasized that it can withstand the summer heat, even high temperatures, but does not like the cold, therefore it is grown as an annual or biennial plant. Usually the plant has a short duration and dies after the last flowers have withered.
The eustoma plant loves light, but it must be protected from the winds and, in the hottest months, it is better to place it also away from the sun.
Eustoma for short
|Type of plant||From flowers, from cut|
|Origin||North America, northern area of South America|
|Use||Greenhouse, veranda, vase or cut flower|
|Height at maturity||From 30 to 60 cm|
|Diseases and pests||Aphids, gray rot|
|Temperature||Between 15 ° and 25 ° degrees|