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TRILLIUM luteum
Commonly known as Wake robin, Wood lily

Yellow-green
Plant Details
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Good to know
Woodlander with flower rising from 3 basal leaves. Flower has 3 sepals and 3 inner petals -
Pests & Diseases
Slugs and snails on new leaves -
Place of origin
Southeastern USA. -
DeciduousStalkless, elliptic to broadly oval, abruptly pointed, mid-green leaves to 15cm (6in) long, heavily marked paler green.
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Yellow
Yellow-green -
Fully hardy
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Height
40cm (16in) -
Spread
30cm (12in) -
Bulb/Corm or rhizomatous perennialUpright, clump-forming, rhizomatous perennial. Produces flowers with lance-shaped to narrowly elliptic petals to 9cm (3½in) long
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HerbaceousEarly in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
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Hardy - cold winter
Hardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F) -
Scented flowersSweet-scented.
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Spring Seasonal Interest
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Mature Size40cm (16in)
30cm (12in)
Planting Tips and Care Advice
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Garden Location/Conditions
BorderSuitable for a damp, shady borderCottage gardenWoodland garden
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Soil Conditions
Fertile moist well-drained soilDeep, humus-rich. Mulch with leaf mould in autumn.Neutral to acid soil
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Sun Requirements
Full shade
Partial shade
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Trillium - Growing Guide