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Summary
Physical Characteristics
Mesembryanthemum crystallinum is a PERENNIAL growing to 0.1 m (0ft 4in) by 0.5 m (1ft 8in).
See above for USDA hardiness. It is hardy to UK zone 9 and is frost tender. It is in flower from July to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils and can grow in saline soils.
It cannot grow in the shade. It prefers dry or moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Carpobrotus crystallinum. Cryophytum crystallinum.
Habitats
Cultivated Beds; East Wall. In. South Wall. In. West Wall. In.
Edible Uses
Edible Parts: Fruit Leaves Seed
Edible Uses:
Leaves and stems - raw or cooked[27, 52, 84, 95, 264]. They can be used as a spinach substitute[2]. The leaves have an acid flavour, they are thick and very succulent with a slightly salty tang[183]. They can also be pickled like cucumbers or used as a garnish[183]. Fruit[84, 106]. No more details are given. Seed - a famine food used when all else fails[177].
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.
Demulcent Diuretic Dysentery Urinary
The plant is demulcent and diuretic[240]. It is used in the treatment of inflammations of the pulmonary and genito-urinary mucous membranes[240]. The leaves are used in the treatment of ascites, dysentery and diseases of the liver and kidney[240].
References More on Medicinal Uses
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Other Uses
Soap
The crushed foliage is a soap substitute[84].
Special Uses
References More on Other Uses
Cultivation details
Easily grown in an ordinary well-drained garden soil[1, 52]. Succeeds in any well-drained low-fertility soil so long as it is in a sunny position[200]. A very ornamental plant, it is occasionally cultivated for its edible leaves[1, 264]. It is not very hardy in Britain and will be killed even by a light frost[264]. It is, therefore, usually grown as a half-hardy annual, being sown in a greenhouse in the spring and used for summer bedding[52]. Plants have few problems with pests or diseases though the young plants are prone to root rot and damping off unless given plenty of ventilation and dry growing conditions[200].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Propagation
Seed - sow spring in a greenhouse, only just covering the seed. When they are large enough to handle, prick the seedlings out into individual pots and plant them out after the last expected frosts. Seedlings are prone to damp off so should not be over watered and should be kept in a very sunny well-ventilated position[200].
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.
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Author
L.
Botanical References
50200
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