Lemon day-lily
Hemerocallis lilioasphodelus L.
- light
- Sun–part
- water
- —
- tall
- 80 cm
- wide
- 99 cm
Asphodelaceae
Also called Lemon-lily, Yellow day-lily, Yellow daylily
Formerly Cameraria lilioasphodelus, Hemerocallis flava, Hemerocallis lutea
When it flowers
Not known yet in the tropics: too few flowering observations to read a season from.
If a child, a pet or anyone may have eaten a plant, contact a doctor or vet straight away, or call the National Poisons Information Centre (AIIMS, New Delhi) on 1800 116 117, free and open 24 hours.
Something wrong with it?About it
- Grows as
- Perennial or tuberous geophyteKew's checklist, not yet checked
- Climate
- TemperateKew's checklist, not yet checked
- Wild in
- SE. Alps, NE. Albania, SW. Siberia to S. KoreaKew's checklist, not yet checked
- Light
- Full sun to part shade (3 h or more)Read from RHS, Perennials.com and Gardenia.net, checked by a majority of its sourcesBacked by 2 of 3 sources. Sources differ: RHS full; Perennials.com full, part; Gardenia.net full, part
- Height
- 61 cm to 99 cmRead from Plants for a Future, one source
- Spread
- 99 cmRead from RHS and Plants for a Future, checked by a majority of its sourcesBacked by both sources. Sources differ: RHS 0.5–1 m; Plants for a Future 1–1 m
- Flowers
- YellowRead from Wikipedia, one source
- Coldest it survives
- -40 °C (USDA zone 3a)Read from RHS, Plantlust, Gardenia.net and Perennials.com, checked by a majority of its sourcesBacked by 2 of 4 sources. Sources differ: RHS -20 °C; Plantlust -40 °C; Gardenia.net -40 °C; Perennials.com -45.6 °C
Not known yet: water, heat, hottest it survives.
In other languages (5)
- Chinese
- 萱草嫩苗, 萱草根, 北黄花菜
- Czech
- denivka žlutá
- German
- Gelbe Taglilie
- Finnish
- keltapäivänlilja
- Simplified Chinese
- 北黄花菜
Where this comes from
- Wikidata, read 2026-10-25, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- RHS, read 2026-10-25, fact, cited
- Perennials.com, read 2026-10-25, fact, cited
- Gardenia.net, read 2026-10-25, fact, cited
- Plants for a Future, read 2026-10-26, fact, cited
- Wikipedia, read 2026-10-25, fact, cited
- Plantlust, read 2026-10-25, fact, cited
- Wikimedia Commons, read 2026-10-25, CC BY-SA 4.0
- 3D model: Hemerocallis lilioasphodelus (built for Vanagrha) by Vanagrha, own
A fact “checked by a majority of its sources” was settled by a vote of the pages it was read from, not by a person reading it; one marked “one source” rests on that page alone. Anything else not marked checked has not been checked yet. Where nothing is known, the page says so rather than guess.