Delphinium elatum is a species of flowering plant in the buttercup family Ranunculaceae, known by the common name alpine delphinium or candle larkspur. It is native to temperate Asia and Europe, it is an erect herbaceous perennial growing to 1.8 m (5.9 ft), with deeply divided leaves. It produces spikes of blue or purple flowers in summer.
Delphinium dubium has strong resistance to disease and is typically not vulnerable to illnesses. Nevertheless, it can be affected by pests and diseases found nearby. Such infections are generally mild. Regarding care, this plant has moderate upkeep needs. It should be pruned regularly to preserve an attractive look and healthy growth. Applying fertilizer can also encourage more blooms. Delphinium dubium is appropriate for anyone with outdoor areas like a garden or patio and does not demand extensive plant-care experience. It may need extra attention if cultivated indoors.
How to keep Delphinium Dubium.
Light
Delphinium dubium is a sun-loving, herbaceous perennial native to open habitats and frequently found in meadows and grasslands. It prefers full sun but can also tolerate partial sun.
Temperature
Delphinium dubium can adapt to a broad range of temperatures, but its distribution may still be constrained by different combinations of moisture and heat. It performs best in warm summer climates with sufficient rainfall or watering. Extended periods of cloudy, rainy weather or prolonged high temperatures increase the chance of Delphinium dubium dying. In winter, providing proper protection from cold can improve the plant’s survival.
Fertilizer
Usually a single fertilizer application in spring is enough for Delphinium dubium, though several feedings can optimize growth. Apply once every month to month and a half. Fertilizing improves the leaves' appearance and function, helping maintain uniform color and a healthy texture. It also promotes root development and nutrient uptake for long-term plant health.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Delphinium
- Family
- Ranunculaceae
- Hardiness Zone
- 3-7
- Mature Height
- 0.61 m to 1.52 m
- Mature Spread
- 30 cm to 61 cm
- Leaf Color
- Dark Green
- Leaf Type
- Deciduous
- Flower Size
- 2.03 cm to 4.06 cm
- Bloom Time
- Early summer, Mid summer
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Late summer, Early fall
- Native Area
- Italy, France