A delphinium earns its place through height. One stem can lift an arrangement above the rest of the flowers without making it feel heavy.
Delphiniums are flowering plants known for tall spires of blue, purple, pink or white blooms. Florists use them for height and movement. They are also harmful if eaten, so cut stems should stay away from children, pets and food preparation areas.
What is a delphinium flower?
Delphinium is a genus in the buttercup family. The flowers sit along a vertical spike, with each bloom carrying a backward-pointing spur. Garden and cut-flower varieties range from soft pastels to saturated blue and violet.
That blue is part of the appeal. True blue is unusual in cut flowers, and delphinium can cool a warm palette or make a white arrangement feel less formal.
What does delphinium mean?
Delphinium is commonly associated with goodwill, dignity, joy and an open heart. These meanings come from flower-language traditions rather than botany, and they vary by source. In practice, the flower’s colour and the message on the card do more work than any old dictionary definition.
Blue, pink, white and purple delphinium meanings
- Blue: dignity, calm and grace.
- Pink: affection and new beginnings.
- White: clarity, remembrance and a fresh start.
- Purple: admiration and ceremony.
Use those as a guide, not a rule. A mixed arrangement can carry more than one feeling at once.
Is delphinium the same as larkspur?
The names overlap in everyday use, but they are not always interchangeable. “Larkspur” may refer to species of Delphinium or to plants placed in Consolida, depending on the horticultural source and classification being followed. If the exact plant matters, use the botanical name supplied by the grower.
When is delphinium in season?
Delphiniums are associated with the cooler part of the growing year and are often strongest through spring and early summer. Cut-flower availability in Australia depends on local production, weather and market supply, so the studio may substitute another line flower when the right stems are not available.
How to care for cut delphinium
- Use a tall, clean vase that supports the stem.
- Recut the base and remove every leaf that would sit below the waterline.
- Fill the vase generously and check the level each day; long hollow stems can drink quickly.
- Change the water every two or three days.
- Keep the flowers out of direct sun and away from ripening fruit.
When delphinium is in season, it may appear in our seasonal flower bouquets. If you are choosing by meaning rather than by a specific stem, read our guide to choosing flowers for an occasion.
Is delphinium toxic?
Yes. The Royal Horticultural Society lists Delphinium, including larkspur, as harmful if eaten. The USDA also records all parts of larkspur species as poisonous to livestock, with toxin levels varying by species and growth stage. Do not use the flowers as a garnish or home remedy. Keep them out of reach, wash your hands after handling cut stems, and contact a doctor or veterinarian if ingestion is suspected.
Delphinium facts worth knowing
- The flower’s spur is often linked to the name “larkspur”.
- Delphiniums are members of the Ranunculaceae, the buttercup family.
- The centre of a delphinium bloom is sometimes called the “bee” by growers and florists.
- The flowers can add height without the visual weight of a large focal bloom.
- The whole plant should be treated as ornamental and kept away from mouths and food.
Sources: Royal Horticultural Society, potentially harmful garden plants; USDA Agricultural Research Service, larkspur.
