Eustoma (Lisianthus): what it is, how long it lasts, and how to care for it

Eustoma is one of the most popular flowers in modern bouquets — and, at the same time, one of the flowers few people recognize by name. You see it in almost any mixed bouquet from a good florist; it resembles a peony, rose, or poppy in turn, and lasts in a vase longer than almost any other cut flower. In this guide, we explain what eustoma is, why it has two names, how long it lasts, and how to care for it.

What is eustoma?

Eustoma (Eustoma grandiflorum) is a plant in the Gentianaceae family — the same family as gentian. It grows wild in the warm prairies of the southern United States, Mexico, and northern South America, which is also where some of its common names come from: prairie rose or Texas bluebell.

The flower has delicate, slightly ruffled petals arranged in overlapping layers. There are both single varieties, with 5–6 petals, and dense double varieties that look strikingly like a miniature peony. The stem usually bears several flowers and buds on the same stem — which is why a single eustoma stem “fills out” much more than it appears to.

Eustoma or lisianthus? They are the same flower

This is the number-one confusion, and the answer is simple: eustoma and lisianthus are exactly the same flower. The difference is purely historical — the plant was initially classified in the genus Lisianthus, then moved to the genus Eustoma. However, the old name remained in use in the flower trade worldwide. You may also come across the spelling liziantus, a phonetic adaptation in Romanian.

So, if you searched for “lisianthus in Romanian”: the answer is eustoma. And vice versa.

• Romanian: eustoma (less commonly: lisianthus, liziantus, prairie gentian)
• English: lisianthus, prairie gentian, Texas bluebell
• Scientific name: Eustoma grandiflorum (syn. Eustoma russellianum)

What eustoma is confused with

Three mix-ups occur constantly in floristry:

• With the peony — the double, pink, or white varieties have the same fluffy appearance. The difference: eustoma is much smaller (5–7 cm compared with 12–15 cm for a peony) and has more flowers on the same stem.
• Like a rose — the closed eustoma bud resembles a small rose. The difference can be seen on the stem: eustoma has no thorns.
• Like a poppy — single varieties, with thin, crinkled petals, have exactly that fine-paper texture.

What colors are available?

The palette is surprisingly broad, and the shades are natural — not dyed:

• White — the most requested option for weddings and bridal bouquets
• Pink — from pale pink, almost white, to intense pink
• Purple and lilac — the classic shade, from which the popular name “Texas bluebell” comes
• Bicolor — white with a purple or pink edge, highly decorative in monochrome bouquets
• Champagne and greenish — rare shades used in premium arrangements

How long does eustoma last in a vase?

This is its main advantage. Eustoma lasts an average of 10–14 days in a vase, and in good conditions it can last up to two and a half weeks. For comparison, a cut rose lasts 7–10 days, while a peony lasts 5–7 days.

The reason is the structure of the stem: open flowers and buds at different stages grow on the same stem. As the open flowers wilt, the buds open one by one — the bouquet “renews” itself for several days in a row.

How to care for eustoma in a vase

1. Cut the stem at an angle, 2–3 cm, with a sharp knife or flower shears. Do not crush the stem — eustoma has soft fibers, and a crushed cut blocks water absorption.
2. Remove any leaves that would remain below the water level. Submerged leaves rot within 24–48 hours and multiply bacteria.
3. Use room-temperature water, not cold water. Fill the vase halfway — eustoma does not need much water.
4. Change the water every 2 days and rinse the vase. Each time you change the water, trim 1 cm off the stem.
5. Keep the bouquet away from fruit — the ethylene released by apples and bananas speeds up wilting. Also, avoid direct sunlight and radiators.
6. Pinch off spent flowers from the stem without cutting it. This allows the remaining buds to open.

What does eustoma symbolize?

In the language of flowers, eustoma means gratitude, sincere appreciation, and a lasting bond. It does not carry the direct romantic connotations of a red rose, making it suitable for situations when you want to say “thank you,” “I’m glad you exist,” or “I respect you” — to colleagues, parents, friends, and teachers.

White eustoma is associated with purity and new beginnings, which is why it is a constant presence in bridal bouquets and christening arrangements.

When eustoma is used

• Weddings — its two-week vase life makes it ideal for arrangements prepared a day in advance
• Mixed bouquets — fills the gaps between roses without competing with them visually
• Corporate gifts and name-day celebrations — elegant, yet neutral in meaning
• Summer arrangements — tolerates heat much better than peonies or tulips

Frequently asked questions about eustoma

Are eustoma and lisianthus the same flower?

Yes. It is exactly the same plant. Lisianthus is the former name of the genus, while Eustoma is the current one. Both names are used in the international flower trade.

How long does eustoma last in a vase?

On average, 10–14 days, and with water changed every two days, it can last more than two weeks. It is one of the most long-lasting cut flowers.

Does eustoma have a scent?

Not really. Its fragrance is very subtle or absent, making it suitable for hospitals, offices, and people sensitive to strong scents.

Why do the buds wilt without opening?

Usually because of a crushed stem cut or water that is too cold. Recut the stem at an angle with a sharp knife and use room-temperature water.

Can eustoma be grown in a garden in Romania?

Yes, as an annual plant. It needs direct sunlight and well-drained soil and does not tolerate frost. Plant it after the risk of late frosts has passed, usually after mid-May.

Where to find eustoma in Bucharest

We work with eustoma all year round at our flower shop in Obor, Șoseaua Ștefan cel Mare 234. See all eustoma bouquets or same-day delivery bouquets — orders accepted until 4:00 p.m., with delivery in 1–3 hours in Bucharest and Ilfov.