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Summary
Physical Characteristics
Viola yezoensis is a PERENNIAL growing to 0.2 m (0ft 8in) by 0.2 m (0ft 8in).
See above for USDA hardiness. It is hardy to UK zone 6. It is in flower from April to May, and the seeds ripen from May to June. 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 and prefers well-drained soil. Suitable pH: mildly acid and neutral soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Plant Habitats
Cultivated Beds;
Edible Uses
Edible Parts: Flowers Leaves
Edible Uses: Tea
Young leaves and flower buds - raw or cooked[105]. When added to soup they thicken it in much the same way as okra[85, 159]. A tea can be made from the leaves[85].
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.
Antiinflammatory Antipyretic
The whole plant is antibacterial, anti-inflammatory, antipyretic and depurative[174, 176, 238]. It is used internally in the treatment of boils, carbuncles, snakebite, skin disorders, mumps etc[238]. The plant is harvested when in flower and dried for later use[238].
References More on Medicinal Uses
The Bookshop: Edible Plant Books
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Other Uses
References More on Other Uses
Cultivation details
Prefers a cool moist well-drained humus-rich soil in partial or dappled shade and protection from scorching winds. Tolerates sandstone and limestone soils but becomes chlorotic if the pH is too high. Prefers a pH between 6 and 6.5[200]. Plants are hardy to at least -15°c[238]. All members of this genus have more or less edible leaves and flower buds, though those species with yellow flowers can cause diarrhoea if eaten in large quantities[62, 85, 159].
References Carbon Farming Information and Carbon Sequestration Information
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,Edible Shrubs, Woodland Gardening, and Temperate Food Forest Plants. Our new book is Food Forest Plants For Hotter Conditions (Tropical and Sub-Tropical).
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Plant Propagation
Seed - best sown in the autumn in a cold frame. Sow stored seed in early spring in a cold frame. Prick out the seedlings into individual pots when they are large enough to handle and plant them out in the summer. Division in the autumn or just after flowering. Larger divisions can be planted out direct into their permanent positions, though we have found that it is best to pot up smaller divisions and grow them on in light shade in a greenhouse or cold frame until they are growing away well. Plant them out in the summer or the following spring.
Other Names
If available other names are mentioned here
Native Range
TEMPERATE ASIA: Korea, Japan (Hokkaidô (south), Honshu, Kyushu, Shikoku)
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 :
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| Latin Name | Common Name | Habit | Height | Hardiness | Growth | Soil | Shade | Moisture | Edible | Medicinal | Other |
| Aconitum violaceum | | Perennial | 0.0 |
5-9
| | LMH | SN | M | 1 | 1 | |
| Cardamine violacea | | Perennial | 0.3 |
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| | LMH | SN | M | 2 | 0 | |
| Gigantochloa atroviolacea | Black Bamboo. Giant Black bamboo | Bamboo | 12.0 |
9-11
| M | LMH | SN | M | 2 | 0 | 3 |
| Hardenbergia violacea | Coral Pea, Purple Coral Pea, False Sarsaparilla, Vine Lilac | Climber | 2.0 |
9-11
| F | LMH | SN | M | 1 | 0 | 1 |
| Hymenanthera dentata | Tree Violet | Shrub | 6.0 |
8-11
| | LMH | N | M | 0 | 0 | 2 |
| Melicytus ramiflorus | Whitey Wood | Tree | 9.0 |
8-11
| | LMH | N | M | 1 | 0 | 2 |
| Orychophragmus violaceus | | Annual/Biennial | 0.3 |
6-9
| | LMH | N | M | 1 | 0 | |
| Oxalis violacea | Violet Wood Sorrel | Bulb | 0.3 |
4-8
| | LMH | SN | DM | 3 | 1 | |
| Tulbaghia violacea | Society Garlic | Perennial | 0.3 |
7-11
| F | LMH | N | M | 4 | 2 | 3 |
| Viola acuminata | | Perennial | 0.3 |
-
| | LMH | SN | M | 2 | 0 | |
| Viola adunca | Western Dog Violet, Hookedspur violet, Kirk's violet | Perennial | 0.1 |
4-8
| | LMH | SN | M | 3 | 1 | 2 |
| Viola biflora | Twoflower Violet, Arctic yellow violet, Carlott's violet | Perennial | 0.2 |
0-0
| | LMH | S | M | 3 | 1 | 1 |
| Viola brevistipulata | | Perennial | 0.3 |
-
| | LMH | SN | M | 2 | 0 | |
| Viola canadensis | Canada Violet, Canadian white violet, Creepingroot violet | Perennial | 0.4 |
3-8
| | LMH | SN | M | 3 | 1 | 2 |
| Viola canina | Dog Violet | Perennial | 0.4 |
5-9
| | LMH | SN | M | 3 | 1 | |
| Viola collina | | Perennial | 0.1 |
-
| | LMH | SN | M | 2 | 0 | |
| Viola cornuta | Horned Violet, Bedding Pansy, Tufted Pansy, | Perennial | 0.2 |
6-11
| F | LMH | SN | M | 3 | 0 | 3 |
| Viola cucullata | Marsh Blue Violet | Perennial | 0.2 |
3-8
| | LMH | SN | MWe | 3 | 1 | 3 |
| Viola diffusa | | Annual | 0.1 |
-
| | LMH | SN | M | 2 | 2 | |
| Viola epipsila | Dwarf Marsh Violet | Perennial | 0.1 |
4-8
| | LMH | SN | M | 3 | 0 | 1 |
| Viola esculenta | Salad violet | | 0.0 |
0-0
| | LMH | SN | M | 0 | 0 | |
| Viola glabella | Stream Violet, Pioneer violet | Perennial | 0.1 |
4-8
| | LMH | S | M | 2 | 0 | |
| Viola grypoceras | | Perennial | 0.3 |
-
| | LMH | SN | M | 2 | 0 | |
| Viola japonica | Japanese violet | Perennial | 0.2 |
0-0
| | LMH | SN | M | 3 | 2 | |
| Viola keiskei | | Perennial | 0.2 |
-
| | LMH | SN | M | 2 | 0 | |
| Viola labradorica | Labrador Violet, Alpine violet, Johnny Jump-Up, Alpine Violet | Perennial | 0.1 |
3-8
| F | LMH | FSN | M | 3 | 0 | 2 |
| Viola langsdorffii | Alaska Violet. Aleutian violet | Perennial | 0.1 |
-
| | LMH | SN | M | 3 | 0 | |
| Viola mandshurica | Manchurian Violet | Perennial | 0.2 |
7-10
| | LMH | SN | M | 3 | 0 | |
| Viola mirabilis | wonder violet | Perennial | 0.2 |
4-8
| | LMH | SN | M | 3 | 1 | |
| Viola obtusa | | Perennial | 0.1 |
-
| | LMH | SN | M | 2 | 0 | |
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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
Maxim.
Botanical References
58200
Links / References
For a list of references used on this page please go here
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Subject : Viola yezoensis
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