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 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.
From the Fenn Plants journal
- Notes on DaffodilsWhen to plant daffodil bulbs in the UK, how deep, how to naturalise them in grass, why daffodils stop flowering (“blindness”), and why you should never mix cut daffodils with other flowers.
- Keeping Your NerveHow to garden through a heatwave — the best time to water, why deep soaks beat daily sprinkles, caring for pots and vulnerable plants, and why you can let the lawn go brown.
- Made to LastHow to clean, store and protect garden pots and planters — the frost-proof vs frost-resistant difference, winter care for terracotta and ceramic, and how to reuse a broken pot.
More in the Helianthus genus
- Helianthus atrorubensdark red sunflower
- Helianthus decapetalusthin-leaf sunflower
- Helianthus tomentosusJerusalem artichoke
- Helianthus 'Carine'Sunflower
- Helianthus annuus Solano Orange Nr. 14 (Solano Series)Common Sunflower
- Helianthus orygalis
- Helianthus scaberrimusSunflower