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Summary
Sunflowers are usually tall annual or perennial plants that in some species can grow to a height of 3m or more. Perennial sunflowers have protein and oil-rich seeds. Perennial crops are being developed for their oil-seed. The Land Institute see them as part of a perennial polyculture system [1-1].
Physical Characteristics
Helianthus hybrids is a PERENNIAL growing to 3.6 m (11ft) by 0.6 m (2ft in) at a fast rate.
It is hardy to zone (UK) 10.
It is noted for attracting wildlife.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Many. See individual species.
Habitats
Edible Uses
Carbon Farming Solutions - Staple Crop: protein-oil (The term staple crop typically refers to a food that is eaten routinely and accounts for a dominant part of people's diets in a particular region of the world) [1-1]. Perennial crops are being developed for their oil-seed. The Land Institute see them as part of a perennial polyculture system [1-1].
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Various medicinal qualities depending on the species.
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Other Uses
See individual species. Some sunflowers are a good source of biomass. The tubers are used in industry to make alcohol etc[141]. The alcohol fermented from the tubers is said to be of better quality than that from sugar beets[269]. Can be grown as a temporary summer screen[200]. Ornamental. A food plants for the larvae of many lepidopterans.
Cultivation details
Management: Standard Staple Crop: Protein-oil Under Development
Climate: boreal to warm temperate. Humidity: semi-arid to humid. Carbon Farming Solutions - Cultivation: under development. Management: standard (Describes the non-destructive management systems that are used in cultivation) [1-1]. Perennial crops are being developed for their oil-seed. The Land Institute see them as part of a perennial polyculture system [1-1]. Several perennial sunflowers are being worked with including prairie natives handling boreal to warm temperate semi-arid conditions: Helianthus maximliani (Maximilian sunflower), Helianthus tuberosus (Jerusalem artichoke), Helianthus pauciflorus (Stiff sunflower). Less tolerant of boreal conditions but good on poor soils is Helianthus cusickii ( Cusick's sunflower) [1-1].
Temperature Converter
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Propagation
See individual species.
Other Names
If available other names are mentioned here
Helianthus hybrids, Helianthus species, Helianthus SPP
Found In
Countries where the plant has been found are listed here if the information is available
Origin: hybrid. All Helianthus species are native to North America except for three species in South America.
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
Perennial sunflower species are not as common in garden use due to their tendency to spread rapidly and become invasive.
Conservation Status
IUCN Red List of Threatened Plants Status : This taxon has not yet been assessed
Expert comment
Author
Various
Botanical References
Links / References
For a list of references used on this page please go here
Readers comment
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Subject : Helianthus hybrids
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