Helianthella quinquenervis, fivenerve helianthella, is a North American plant species in the sunflower family. It grows in the mountains of the western United States and northern Mexico. This include the Rockies, the Black Hills, the ranges of the Great Basin, and the northern Sierra Madre, from Montana, Oregon, and South Dakota south as far as western Chihuahua and Coahuila. Helianthella quinquenervis is a herbaceous plant up to 150 cm (4.9 ft) tall. Leaves are larger than those of most related species, up to 50 cm (20 in) long, each with 3 or 5 prominent veins running the length of the leaf. The plant usually produces only one yellow flower head per stem, nodding (hanging). Each head contains 8-21 bright yellow ray flowers surrounding numerous yellow disc flowers.
How to keep Helianthella Quinquenervis.
Pruning
Fivenerve helianthella is a perennial plant known for its bright yellow flowers. To encourage growth and flowering, it's best to prune it in early spring. This allows you to remove any damaged stems and shape the plant effectively. Pruning also helps improve air circulation, reduces the risk of disease, and boosts the plant's overall vigor. Be sure to use clean tools during pruning to prevent the spread of disease.
Botanical profile.
- Genus
- Helianthella
- Family
- Asteraceae
Other names.