Delphinium (Delphinium cultorum)
Care, watering, light and tips for Delphinium on Floravia.
Quick facts
- Family: Ranunculaceae
- Difficulty: Demanding
- Watering: every 3 days
- Light: Partial shade
- Temperature: 10–30 °C
- Toxicity: Toxic to pets
About Delphinium
Delphinium cultorum, commonly known as garden delphinium, is a majestic perennial hybrid plant, prized for its tall flower spikes that can reach up to 2 meters in height. Its impressive inflorescences, often in shades of blue, purple, white, or pink, are ideal for the back of borders or as a vertical accent in cottage gardens. They bring a classic elegance and dramatic visual impact to any floral arrangement.
Native range
Europe and temperate Asia
Care tips
It requires full sun and fertile, well-drained, slightly alkaline soil. Keep the substrate consistently moist, especially during dry periods, but avoid waterlogging which can lead to root rot. A common mistake is not providing support: its tall flower stalks need early staking to prevent them from bending or breaking in wind or rain. After the first bloom, cut back spent stalks to encourage a smaller second flush of flowers.
How to save a dying Delphinium
- Warning signs
- Yellow/brown basal leaves, soft stems, sudden flower drop, general wilting. 🌿
- First aid
- Check drainage and soil moisture. If waterlogged, carefully remove and let roots dry. If dry, water thoroughly.
- What kills it
- Waterlogging is its worst enemy, causing root rot. Also excessive heat and lack of aeration.
- Can it be saved?
- Yes, if you act quickly. Good drainage and moderate watering are key to recovery. Don't give up!