Flower Encyclopedia
Gladiolus
Gladiolus hortulanus
Tall, dramatic flower spikes that open from the bottom up and bring bold vertical height.
Written by the Burton Floral Design team · Published July 24, 2026
At A Glance
Typical vase life
7–10 days
Availability
Most of the year
Peak months
Jun, Jul, Aug, Sep, Oct
Cost
Budget-friendly
Fragrance
Little to none
Pollen
Low
Care
Moderate
Out of water
2–4 hours
Heat tolerance
Moderate
Cold tolerance
Moderate
Outdoor events
Good
Around pets
Use caution
Pets in the house? Use caution.
Gladiolus warrants caution around cats and dogs — the corm, the underground bulb-like base, is the most concerning part, but chewing on stems or flowers can also cause drooling or stomach upset. Keep arrangements out of reach, and contact your veterinarian or an animal poison-control service if a pet ingests any.
What It Means
Gladiolus symbolizes strength of character, integrity, and remembrance, and the name comes from the Latin for sword, echoing its blade-shaped foliage. It is also the traditional birth flower of August and often signals moral conviction and sincerity.
Colors it comes in
red · pink · white · yellow · orange · purple · coral · cream · burgundy
Coordinates beautifully with
white · soft green · deep red · gold accents
Season & Sourcing
Gladiolus is a warm-season crop with strongest supply from early summer into fall, though greenhouse and imported stems keep it available through much of the year. Color range is widest during the summer peak.
Vase life, honestly
Gladiolus lasts seven to ten days as the florets open in sequence up the spike. Pinch off the top few buds to encourage the rest to open, and remove spent lower florets as you go.
Fragrance
Gladiolus is essentially unscented, so it adds height and color without adding perfume to a room or arrangement.
Keeping It Alive
- 1Recut the tall stems at an angle and place them in deep, clean water.
- 2Pinch out the top few buds so the remaining florets open more fully.
- 3Use a tall, weighted vase — the spikes are top-heavy and tip easily.
- 4Remove faded lower florets as new ones open up the stem.
- 5Refresh the water and recut stems every couple of days.
What it costs: Gladiolus delivers a lot of height and color per stem at an affordable price, especially in summer. Specialty colors and out-of-peak supply raise the cost modestly.
Where It Shines
At weddings
Gladiolus brings height and a strong vertical line to large-scale wedding arrangements, altar pieces, and tall pedestal designs. The individual florets can also be wired for structured work, though the whole spike reads more classic than modern.
In sympathy work
A traditional staple of funeral work, gladiolus forms the backbone of standing sprays and large floor arrangements thanks to its length and presence. White and soft tones convey dignity and remembrance.
Every day
A few tall spikes make an inexpensive, dramatic statement in a large floor vase or entryway. Their sequential opening means a fresh bunch keeps evolving over several days.
Can't Get It? Try
A Little History
Gladiolus takes its name from the Latin 'gladius', meaning sword, for its long blade-like leaves, and most modern cut varieties descend from South African species brought to Europe. It is the traditional birth flower of August and a longstanding fixture of formal and funeral floristry.
Questions People Ask
Why won't the top buds on my gladiolus open?
Gladiolus florets open from the bottom of the spike upward, and the very top buds often will not open on their own. Pinching off the top few buds directs the plant's energy into opening the remaining florets.
How do I keep gladiolus from tipping over?
The tall spikes are top-heavy, so use a tall, weighted, or narrow-necked vase and keep the water deep. Recutting the stems and removing spent lower florets also keeps the balance manageable.
When are gladiolus in season?
They are strongest from early summer into fall, with the widest color range at the summer peak. Greenhouse and imported stems keep them available through much of the year.
Are gladiolus a concern around pets?
Yes — treat gladiolus with caution around cats and dogs, especially the corm at the base, which is the most concerning part. If a pet chews on any part, contact your veterinarian or an animal poison-control service.
Go Deeper, Free
From profile to porch
Love This Flower? Send It Today
Browse arrangements featuring the flowers you just read about — designed with the same honesty you found here.