Helianthella californica is a species of flowering plant in the family Asteraceae known by the common name California helianthella. This wildflower is native to the mountains of California, northwestern Nevada, and southwestern Oregon.Helianthella californica is a taprooted perennial herb producing erect stems up to about 60 centimeters (2 feet) tall. The many lance-shaped leaves are up to 4 centimeters (1.6 inches) wide and up to 26 cm (11 inches) long, smooth or slightly toothed along the edges. The inflorescence holds one or more sunflower-like flower heads. Each head has a center of golden disc florets with purple or reddish parts, and a fringe of yellow ray florets one or two centimeters (0.4-0.8 inches) long. SubspeciesHelianthella californica subsp. californica - Coast Ranges in area near San Francisco Bay plus a few populations in northern Sierra Nevada Foothills Helianthella californica subsp. nevadensis (Greene) W.A.Weber - Sierra Nevada + Cascades in California, Nevada, + Oregon Helianthella californica subsp. shastensis (W.A.Weber) W.A.Weber - southern Cascades plus Shasta-Trinity area
How to keep Helianthella Californica.
Pruning
Nevada helianthella is known for its vibrant yellow flowers and tall stalks. To keep these plants healthy and attractive, it is important to prune them in early spring. This involves removing old, dead, or diseased stems, which promotes healthy growth and enhances their appearance. Proper pruning also improves air circulation, reduces the risk of disease, and ensures vigorous blooms and a strong plant structure.
Botanical profile.
- Life Cycle
- Perennial
- Genus
- Helianthella
- Family
- Asteraceae
Other names.