Overview
Helianthus salicifolius is a perennial in the genus Helianthus, part of the Asteraceae family. Helianthus salicifolius grows best in full sun, and tolerates well-drained soils. It is native to USA.
About
Helianthus salicifolius, the willow-leaved sunflower, is a perennial in the Asteraceae native to the USA. It produces a long season of bloom from July to October. Plant in a sunny position and give moist but well-drained soil. It suits open, sunny schemes where sustained late-summer flowering is wanted.
Wikipedia contributors, CC BY-SA 4.0 — Helianthus salicifolius
About the genus
Helianthus is a genus comprising around 50 species of annual and perennial flowering plants in the daisy family Asteraceae commonly known as sunflowers. The species of Helianthus are native to North America. The best-known species is the common sunflower.
Wikipedia contributors, "Helianthus", CC BY-SA 4.0 — Helianthus
In the garden
Helianthus salicifolius is a perennial sunflower species originating from the central United States. As a member of the Asteraceae, it contributes extended late-summer interest, reliably coming into flower between July and October. Use its seasonal presence to bridge the gap between high summer and autumn colour. Site the plant in full sun on soil that drains freely but retains some moisture; it prefers moist, well-drained conditions rather than dry, baked ground. Planting in a position with good air movement reduces the risk of moisture-related problems. Plant crowns at the same depth as in the pot and water through the first season to help roots establish. In the UK it suits sunny herbaceous borders, prairie-style drifts and larger gravel or meadow schemes where its long flowering run provides late-season structure. Grouping plants gives a more visible display and supports pollinators during July to October. Trim back spent stems in late winter or early spring to make way for new perennial growth.
Growing conditions
Best soil and position for Helianthus
- Sunlight
- full sun
- Soil type
- well-drained
- Soil moisture
- moist
Plant details
Helianthus salicifolius size, habit and characteristics
- Plant type
- perennial
- Native to
- USA
Care notes
Pruning and caring for Helianthus salicifolius
- Propagation
- seed, division
Frequently asked questions
Where is the best place to plant Helianthus salicifolius?
Helianthus salicifolius prefers full sun.
What soil does Helianthus salicifolius need?
Helianthus salicifolius grows best in well-drained soil. Aim for soil that stays moist.
How do I propagate Helianthus salicifolius?
Seed, division.
More in the Helianthus genus
- Helianthus 'Carine'Sunflower
- Helianthus annuus Solano Orange Nr. 14 (Solano Series)Common Sunflower
- Helianthus orygalis
- Helianthus scaberrimusSunflower