About
Erythronium tuolumnense, the Tuolumne dog's tooth violet, is a vigorous, clump-forming bulbous perennial to 30 cm tall with polished, wavy-margined, bright-green leaves and erect stems bearing up to four nodding, bright-yellow flowers to 4 cm across in spring. One of the finest yellow-flowered erythroniums, excellent for naturalising in a woodland garden.
About the genus
Erythronium, the fawn lilies or dog's tooth violets, are bulbous perennials with paired, mottled or plain, broadly oval leaves and leafless stems bearing one or more nodding, star-shaped flowers with reflexed petals in spring, in shades of white, yellow, pink and purple. Excellent naturalising bulbs for woodland and shaded borders.
Growing conditions
SunlightPartial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectNorth-facing, West-facing, South-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH5
Plant details
Plant typeBulbs
HabitClump forming
FoliageDeciduous
Height0.1-0.5 metres
Spread0-0.1 metre
Time to full height2-5 years
Suggested usesRock garden, Cottage and informal garden, Wildflower meadow
Native toCalifornia
ToxicityOrnamental bulbs, not to be eaten. Wear gloves and other protective equipment when handling 6840,erythrorhipsalis-pilocarpa,Erythrorhipsalis pilocarpa,,Erythrorhipsalis pilocarpa is a slender
Care notes
CultivationPlant 10cm deep in fertile, humus-rich, well-drained soil in partial shade that does not dry out. Bulbs in storage must be kept slightly damp. See bulb cultivation
PruningNo pruning required
PropagationPropagate by division after flowering
Pest resistanceMay be susceptible to slugs
Disease resistanceGenerally disease-free