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Summary
Physical Characteristics
Onosma frutescens is a PERENNIAL growing to 0.3 m (1ft).
See above for USDA hardiness. It is hardy to UK zone 8. It is in flower from June to August. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly 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
Plant Habitats
Cultivated Beds; South Wall. In. West Wall. In.
Edible Uses
References More on Edible Uses
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 More on Medicinal Uses
Other Uses
Dye
A red dye is obtained from the root. It is an alkanna substitute[46, 61].
Special Uses
References More on Other Uses
Cultivation details
Requires a well-drained soil in full sun[1, 187]. Prefers a deep rather rich sandy loam[1]. Best grown in a crevice in a rock garden or on a wall[1, 187]. Tolerates hot dry conditions and also drought once it is established, but disliking winter wet[190]. Plants also dislike wet summers[200]. Hardy to about -15°c[187]. A very ornamental plant[1].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
Plant Propagation
Seed - we have no information on this species but suggest sowing the seed in a greenhouse in early spring. Prick out the seedlings into individual pots as soon as they are large enough to handle and grow them on in the greenhouse for at least their first winter. Plant them out in early summer. Cuttings in a frame in the summer. Shade them for the first 10 - 12 days[1].
Other Names
If available other names are mentioned here
Native Range
Coming Soon
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 :
IUCN Red List
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.
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Expert comment
Author
Lam.
Botanical References
89200
Links / References
For a list of references used on this page please go here
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Subject : Onosma frutescens
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