Thesium humifusum is a species of hemiparasitic flowering plant in the family Santalaceae found in western Europe and north-western Africa, known as bastard-toadflax.
Bastard toadflax has strong disease resistance and typically isn’t prone to illnesses. Nevertheless, it can be affected by pests and diseases found nearby. Such infections are generally mild. In terms of care, the plant is moderately demanding. It should be pruned on a regular basis to preserve an attractive appearance and vigorous growth. Applying fertilizer can also encourage blooming. Bastard toadflax is appropriate for anyone with outdoor areas like a garden or patio and does not demand extensive gardening experience. If grown indoors, it may need more attention.
How to keep Thesium Humifusum.
Light
Bastard toadflax comes from bright, open habitats and thrives in full sun. It will tolerate partial sun but favors direct sunlight for optimal growth. This plant, which can be annual or biennial, is noted for its sun-loving nature.
Temperature
Bastard toadflax can tolerate a wide range of temperatures, but its distribution may still be restricted by different combinations of moisture and heat. It does best in warm summer conditions with enough rainfall or watering. Long periods of cloudy, rainy weather, as well as prolonged high temperatures, increase the chance of Bastard toadflax dying. In winter, appropriate protection from cold can boost the plant’s survival rate.
Fertilizer
Bastard toadflax benefits from regular, low-strength fertilizer applications to encourage healthy leaf development. You should apply fertilizer about once a month throughout the summer. Nitrogen is important for foliage, and adding nitrogen-rich sources helps Bastard toadflax thrive.
Pruning
Bastard toadflax flourishes with minimal pruning. Important techniques involve removing dead stems in early spring and giving the plant a light trim in late spring. This encourages growth and reduces the risk of disease. Regular maintenance maximizes its blooming potential, and it's essential to use clean, sharp tools to prevent damage.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Annual
- Genus
- Thesium
- Family
- Santalaceae
- Hardiness Zone
- 5-9
- Mature Height
- 10 cm to 30 cm
- Mature Spread
- 20 cm to 40 cm
- Leaf Color
- Green
- Leaf Type
- Semi-evergreen
- Flower Color
- White
- Flower Size
- 0.20 cm to 0.25 cm
- Bloom Time
- Late spring, Early summer, Mid summer
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Late summer, Early fall, Mid fall
- Native Area
- Portugal, Italy, Spain, Netherlands, Ireland, United Kingdom, Algeria, Morocco, Belgium, France
Other names.