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Erythronium grandiflorum - Pursh.
                 
Common Name Avalanche Lily, Yellow avalanche-lily
Family Liliaceae
USDA hardiness 4-8
Known Hazards Skin contact with the bulbs has been known to cause dermatitis in sensitive people[65].
Habitats Sagebrush, open woodland and grassy mountain slopes, sometimes to the tree line[42, 90]. Rich moist soil along the banks of streams, shaded woods and sub-alpine meadows, often in large patches[212].
Range Western N. America - British Columbia to California, east to Alberta, Wyoming and Colorado.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Well drained soil Moist Soil Semi-shade

Summary

Erythronium grandiflorum Avalanche Lily, Yellow avalanche-lily


http://commons.wikimedia.org/wiki/User:Wsiegmund
Erythronium grandiflorum Avalanche Lily, Yellow avalanche-lily
http://commons.wikimedia.org/wiki/User:Wsiegmund
   
Physical Characteristics
 icon of manicon of bulb
Erythronium grandiflorum is a BULB growing to 0.2 m (0ft 8in) by 0.1 m (0ft 4in).
It is hardy to zone (UK) 5 and is not frost tender. It is in flower in April, and the seeds ripen from May to June. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects.Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland). It prefers dry or moist soil.

Synonyms
Habitats
Woodland Garden Dappled Shade; Shady Edge;
Edible Uses
Edible Parts: Leaves;  Root;  Seedpod.
Edible Uses:

Bulb - raw or cooked[2, 46, 85, 105, 161, 257]. The slender bulbs, which are up to 5cm long[270], are usually harvested in the spring as the first leaves appear above ground, they can be stored for some months in a cool place[256]. The raw bulb has a slightly bitter milky taste, the texture is cool and moist inside and so the North American Indians liked eating them on hot days[256]. The cooked bulb has a more starchy texture and a sweet flavour[256, 257]. Stored bulbs develop a sweeter flavour when cooked than fresh bulbs[257]. The Indians always drank water after eating the bulbs because they believed that otherwise they would get sick[256]. Large quantities can have an emetic effect[85]. The bulbs can also be dried for later use[207]. Leaves - raw or cooked[85, 106]. Eating the leaves will greatly reduce the vigour of the bulb, so can only be recommended in times of emergency[K]. Young seedpods - raw or cooked[106, 212]. The cooked pods taste like French beans[212].
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.

Skin.

The pulverized root was applied to boils and as a wet dressing on skin sores[213, 257].
Other Uses
None known
Cultivation details
Prefers slightly acid soil conditions but succeeds in chalky soils if these contain plenty of humus[164]. Requires semi-shade, preferably provided by trees or shrubs, and a well-drained soil[42, 164]. Succeeds in almost any light soil, preferring one that is rich in humus[1]. Not an easy species to grow in Britain, it prefers a well-drained soil that is wet in spring but rather dry in the summer[90]. Plants are best given perfect drainage[200]. Offsets are freely produced if the plant is growing well[1]. Flowers are produced in 3 - 4 years from seed[164]. Bulbs should be planted about 7cm deep[1].
Propagation
Seed - best sown as soon as it is ripe in a shady position in a cold frame. Water lightly in summer, it should germinate in autumn or winter[164, 200]. Stored seed requires a period of cold stratification[164]. Sow as early in spring as possible in a cold frame. Sow the seed thinly so that it will not be necessary to prick them out for their first year of growth. Give an occasional liquid feed to the seedlings to make sure that they do not become nutrient deficient. When the plants are dormant, pot up the small bulbs putting 2 - 3 bulbs in each pot. Grow them on in a shady position in the greenhouse for another 2 3 years and then plant them out into their permanent positions when they are dormant in late summer. Division of the bulbs in the summer as the leaves die down[1]. Larger bulbs can be replanted immediately into their permanent positions, but it is best to pot up smaller bulbs and grow them on in a shady position in a greenhouse for a year before planting them out when dormant in late summer.
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 :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Erythronium albidumWhite Trout-Lily, White fawnlily30
Erythronium albidum mesochoreumPrairie Trout Lily30
Erythronium americanumTrout Lily, Dogtooth violet41
Erythronium californicumFawn Lily, California fawnlily20
Erythronium citrinumPale Fawn Lily, Cream fawnlily, Roderick's fawnlily20
Erythronium dens-canisDog's-Tooth Violet30
Erythronium helenaeMt. St. Helena Fawm Lily, Pacific fawnlily20
Erythronium hendersoniiHenderson's Fawn Lily20
Erythronium howelliiHowell's Fawn Lily20
Erythronium japonicumKatakuri40
Erythronium montanumAvelanche Lily, White avalanche-lily20
Erythronium multiscapideumAdderstongue20
Erythronium oregonumGiant White Fawnlily21
Erythronium purpurascensAvelanche Lily, Purple fawnlily20
Erythronium revolutumPink Fawn Lily, Mahogany fawnlily30
Erythronium tuolumnenseTuolumne Fawn Lily, Dog's Tooth Violet, Pagoda Lily20
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Expert comment
 
Author
Pursh.
Botanical References
60200
Links / References
For a list of references used on this page please go here
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Subject : Erythronium grandiflorum  

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