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Summary
Bloom Color: Blue.
Main Bloom Time: Early fall, Late summer, Mid summer. Form: Irregular or sprawling, Variable height.
Physical Characteristics

Convolvulus tricolor is a ANNUAL/PERENNIAL growing to 0.3 m (1ft) by 0.2 m (0ft 8in) at a medium rate.
It is hardy to zone (UK) 8. It is in flower from July to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, flies. The plant is self-fertile.
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 and can tolerate drought.
UK Hardiness Map
US Hardiness Map
Synonyms
Habitats
Cultivated Beds;
Edible Uses
References
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.
None known
References
Our new book Edible Shrubs is now available.
Edible Shrubs provides detailed information, attractively presented, on over 70 shrub species. They have been selected to provide a mix of different plant sizes and growing conditions. Most provide delicious and nutritious fruit, but many also have edible leaves, seeds, flowers, stems or roots, or they yield edible or useful oil.
Read More
Other Uses
References
Cultivation details
Landscape Uses:Container. Requires a sheltered position in a well-drained low to medium fertility soil and a very sunny position[200]. This plant is generally hardy to zone 8 (tolerating temperatures down to about -5°) but some forms are much hardier and can tolerate temperatures down to about -20°c[200]. An annual to short-lived perennial species, it is usually grown as an annual in Britain[200]. This plant is a very good attractant for hoverflies[200]. Hoverflies, and especially their larvae, are quite good predators on aphids. Special Features:
Invasive.
References
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
The PFAF Bookshop
Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees, and Woodland Gardening. Our new book to be released soon is Edible Shrubs.
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Propagation
Seed - sow February/March in situ and again in May to ensure a succession of flowers[164].
Other Names
If available other names are mentioned here
Found In
Countries where the plant has been found are listed here if the information is available
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.
Conservation Status
IUCN Red List of Threatened Plants Status :
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
L.
Botanical References
50200
Links / References
For a list of references used on this page please go here
Readers comment
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Subject : Convolvulus tricolor
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