Echium rosulatum is a species of flowering plant in the family Boraginaceae. It is endemic to the western Iberian Peninsula in Portugal, Galicia (Spain) and the Sierra Morena. It favors acidic and somewhat nitrified soil. It has two subspecies, one native to mainland Iberia and the other one (subsp. davaei) native to the Berlengas archipelago.
How to keep Echium Rosulatum.
Water
Lax viper's bugloss is drought-tolerant once it is established, needing approximately 2.5 cm (1 inch) of rain each week. For potted plants, make sure they get full sunlight and water them when the top 5 cm (2 inches) of soil feels dry. This will help prevent overheating and drying out.
Fertilizer
Lax viper's bugloss grows well in nutrient-poor soil and doesn't require any fertilizer. However, adding organic compost can be beneficial, especially during the establishment phase when the plant is most vulnerable to stress. The compost provides essential nutrients that support the plant's early growth.
Pruning
Lax viper's bugloss is known for its stunning blue flowers and is a hardy plant that requires pruning in early spring to encourage new growth. Be sure to remove dead stems and spent flowers to extend the blooming period. It's also important to practice selective thinning, which will improve air circulation and help prevent disease. For more detailed techniques, consult local horticultural guides.
Botanical profile.
- Plant Type
- Herb
- Genus
- Echium
- Family
- Boraginaceae
Other names.