Orobanche elatior the knapweed broomrape is a species of flowering plant belonging to the family Orobanchaceae.It is a parasitic plant that lives on knapweed. Its native range is Europe to China and Iran.
Greater broomrape shows strong resistance to diseases and is generally not very susceptible to them. Still, it can be affected by pests and illnesses present in its environment. Such infections are typically mild. Regarding upkeep, this plant requires a moderate level of care. It should be pruned on a regular basis to preserve a good appearance and encourage healthy growth. Applying fertilizer can also help stimulate flowering. Greater broomrape is appropriate for anyone with outdoor areas like a garden or patio and does not demand extensive gardening experience. It may need extra attention if cultivated indoors.
How to keep Orobanche Elatior.
Light
Greater broomrape naturally occurs in habitats like forest understories or rocky areas, where it grows in natural shade. It prefers partial sun but can tolerate full sun or full shade, illustrating its versatile, hardy nature.
Temperature
Greater broomrape can tolerate a wide range of temperatures, but its distribution may still be constrained by different combinations of moisture and heat. It grows best in warm summer climates with sufficient rainfall or irrigation. Extended periods of cloudy, rainy weather or prolonged high temperatures can raise the chance of Greater broomrape dying. In winter, appropriate protection from cold can improve the plant's survival rate.
Fertilizer
One fertilizer treatment in spring is generally adequate for Greater broomrape, though repeated feedings can enhance growth. Feed every month to six weeks. Fertilization improves leaf appearance and function, helping maintain uniform color and healthy texture. It also promotes root development and nutrient uptake for long-term plant health.
Pruning
The parasitic plant known as knapweed broomrape features tubular flowers and does not have chlorophyll. To promote host plant health and ensure better air circulation, it is important to prune this plant from early to late spring. This involves removing the flower stems and faded inflorescences. Additionally, using clean tools is crucial to prevent the spread of disease and to manage any over-infestation.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Orobanche
- Family
- Orobanchaceae
- Hardiness Zone
- 6-9
- Mature Height
- 91 cm
- Mature Spread
- 10 cm to 20 cm
- Leaf Color
- Brown, Tan
- Leaf Type
- Deciduous
- Flower Color
- Tan
- Flower Size
- 2.03 cm to 2.54 cm
- Bloom Time
- Late spring, Early summer, Mid summer
- Planting Time
- Spring, Summer
- Harvest Time
- Mid summer, Late summer, Early fall
- Native Area
- Germany, Tunisia, Italy, Spain, Switzerland, Netherlands, France, Albania, Ireland, United Kingdom, Algeria, Morocco, Belgium, Portugal
Other names.