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Hosta jonesii M.G.Chung

Dadohae hosta

Asparagaceae · Korea · listed by its genus as a temperate garden plant

Photographs not checked iNaturalist was skipped (not asked) when this page was built. Not asked, or not answered, is not "none": nothing here claims there is none. Why the site says it this way.
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Sow seed
Habitat figures
Cold floor (1 night in 100)
-3.7°C
Record low -8.4 °C in 44 years, at a typical spot in the range NASA POWER
Warmest month, mean daily high
26°C
Aug at the habitat CHELSA
Rain a year (median across the range)
1,648mm
12 months of 25 mm or more in the median year CHELSA
Open-sky light
16–37DLI
Lowest to highest month (DLI) CHELSA
The year in your months, northern hemisphere
  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec
Wet summers: the rain comes May to September, read as a summer growing season. rain rule, CHELSA
Northern hemisphere unless you set your site. The chart is in the habitat's months.

About the genus · Hosta

Hosta is a genus of plants commonly known as hostas, plantain lilies and occasionally by the Japanese name gibōshi. Hostas are widely cultivated as shade-tolerant foliage plants. The genus is placed in the family Asparagaceae, subfamily Agavoideae, and is native to northeast Asia. More on Wikipedia ›

Quoted from Wikipedia, "Hosta", CC BY-SA 4.0.

Cultivation

Grouped as a temperate garden plant, listed under the genus Hosta in the archetype table, and Kew describes it as “perennial”, “temperate”.

Seasons

The rain rule reads a summer growing season: 70% of the median year's rain (1,185 mm of 1,642 mm) falls in May to September, warmer than the year (wet-season mean 21.2 °C against a yearly mean of 14.2 °C). Months are the habitat's, northern hemisphere; shifted six months for a southern-hemisphere collection: November to March.

Rain

1,642 mm in the median year at the habitat, 1,185 mm of it May to September. Wettest month July at 305 mm, driest month December at 26 mm. Across the grid cells of the range the year's total runs 1,576 mm to 2,284 mm, the 10th to 90th percentile of each cell's own year. The median of the cells' own yearly totals, 1,648 mm, is the year's rain at the top of the page; the 1,642 mm here is the median year's, the twelve monthly medians added, which the rain rule reads. Habitat calendar, northern hemisphere; median year across the grid cells of the range, CHELSA.

Light

Open sky over the habitat: 16 to 37 mol/m²/day across the year (daily light integral, median year across the grid cells of the range, CHELSA; the lowest 10th-percentile month across the cells is 13, the highest 90th-percentile month 37).

Warmth and air
Temperature

Coldest: the 1st-percentile night over 44 years at a typical spot in the range is -3.7 °C, the absolute minimum -8.4 °C, 1,651 frost nights in 44 years, 37.5 a year (NASA POWER daily minima). Warmest: the 99th-percentile day is 30.2 °C. Monthly means: the coldest month's mean nightly low 1.6 °C in January (across the grid cells of the range -1.1 °C to 2.1 °C), the warmest month's mean daily high 25.9 °C in August (median year across the grid cells of the range, CHELSA). Cold floor: -3.7 °C, which is the 1st-percentile night over 44 years at a typical spot in the range (NASA POWER).

Humidity

Relative humidity at the habitat: 56 to 73% across the year (monthly means, median year across the grid cells of the range, CHELSA). A figure about the air, saying nothing about how the plant takes water.

How this section is made

Each card states this species' habitat figures with their sources, and what two fixed rules read from them; nothing here says what the plant does, wants or tolerates. The rules · the terms.

Seasons. Read from the median year of CHELSA monthly rainfall and mean temperature across the grid cells of the range: the rain rule takes the smallest set of months carrying 70% of the rain and calls it winter when its mean is more than half a degree below the year's, summer when more than that above, and neither in between; the temperature rule, used only under 120 mm, names the cooler six months when they are at least a degree cooler than the other six. Months are shifted for the other hemisphere only where the temperature curve moves 4 °C or more and the habitat lies 10° or more from the equator. A reading of the curves, not an observation of the plant.

Rain. CHELSA monthly precipitation, median year across the grid cells of the range. The rain that falls where the species is recorded; nothing about how the plant takes water.

Light. CHELSA shortwave radiation at each envelope cell, a daily-mean flux taken to a daily total and converted at 2.07 mol of PAR per MJ. The sky over the habitat, measured; what reaches a plant under a rock, a shrub or a shade cloth is not.

Temperature. NASA POWER daily minima and maxima over 44 years at a typical spot in the range, lapse-corrected -33 m to its elevation; CHELSA monthly means, median year across the grid cells of the range. The cold floor is the 1st-percentile night named in its sentence. Not a measured survival limit for any plant in a pot.

Humidity. CHELSA relative humidity, median year across the grid cells of the range.

Group. Listed under the genus Hosta in the archetype table, and Kew describes it as “perennial”, “temperate”. A group is taken only where Kew's description of the species agrees with the table's listing. The table gives no figure and no prose; the cold floor is the habitat's alone.

Climate across the habitat

Habitat months, northern hemisphere

Habitat climate of Hosta jonesii through the yearWarmest month August, mean daily high 26 °C; coldest month January, mean nightly low 1.6 °C; 1,642 mm of rain in the median year (the twelve monthly medians added). Medians across the range, from CHELSA; the extremes at the edge from NASA POWER. Habitat months, northern hemisphere.-10°0°10°20°30°40°frost30.2° 99th-percentile day, NASA POWER-8.4° lowest night in 44 years, NASA POWER°C · day and nightcold quarter0100200300400500mm rainDLI 16–37RH 56–73%JanFebMarAprMayJunJulAugSepOctNovDec
day night rain medians and 10th–90th percentile across 8 habitat cells, CHELSA cold quarter: the three months around the coldest month's mean nightly low extremes over 44 years at a typical spot in the range, from NASA POWER, marked at the edge, in no month DLI, mol/m²/dayRH %each on its own scale
Figures by month
JanFebMarAprMayJunJulAugSepOctNovDec
Day °C6 / 4–67 / 4–710 / 7–1013 / 11–1417 / 15–1720 / 19–2124 / 23–2426 / 24–2624 / 21–2419 / 17–1913 / 11–148 / 6–9
Night °C2 / -1–23 / 0–36 / 4–610 / 8–1114 / 12–1518 / 16–1922 / 21–2324 / 22–2421 / 18–2115 / 13–169 / 7–104 / 2–5
Rain mm37 / 32–6657 / 52–8195 / 88–133127 / 118–182148 / 139–212250 / 238–320305 / 291–412277 / 270–391205 / 201–27659 / 51–9256 / 53–8326 / 24–54
DLI17 / 13–1922 / 19–2429 / 27–2935 / 34–3537 / 36–3734 / 33–3531 / 30–3232 / 31–3328 / 27–2825 / 24–2619 / 16–1916 / 13–17
RH %56 / 54–5856 / 54–5757 / 54–5860 / 55–6063 / 57–6468 / 63–7073 / 68–7469 / 67–7063 / 61–6558 / 55–5957 / 54–5856 / 55–57
How this section is made
Each figure is the median across the 8 grid cells holding the 12 in-range records, with the 10th–90th percentile span across those cells after the slash where it differs. A dash is a month one or more of those cells has no figure for in the grid (a variable CHELSA does not carry there), so no median is taken rather than one over fewer cells. Extremes and elevation were read at a typical spot in the range, cell 1111:6140 (34.425, 127.025). Over 44 years there: absolute minimum -8.4 °C, 1st-percentile night -3.7 °C, 99th-percentile day 30.2 °C. Normals: CHELSA V2.1 1981–2010 climatology, 0.05° cells (each the mean of ~36 1 km pixels). Across the range: median and 10th–90th percentile of each month across the 8 distinct grid cells holding 12 of the 12 in-range records; extremes and elevation at the typical cell 1111:6140 (its coldest month's mean nightly low nearest the median across cells); its position is the cell centre. Extremes: NASA POWER (MERRA-2) daily 1981–2024, cell 34.50_126.875, lapse-corrected -33 m at 6.5 °C/km. Elevation: ETOPO 2022, 45 m (cell mean).

Natural habitat

Native range as published by WCVP; the marker is where the records are densest and decides nothing: the climate was read across the cells of the in-range records placed well enough to read one, not at the marker.
Openly licensed records inside the range, framed on where they fall.
NativeKorea · regions are the level-3 units of the World Geographical Scheme for Recording Plant Distributions, as Kew's World Checklist records ranges, some under historical names such as Yugoslavia or Czechoslovakia (how).
Map marker34.44, 127.226 · in the densest population, 13 records (93% of those in range)
Kew's description“perennial” · “temperate” · quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Evidence usedThe map marker rests on all 14 georeferenced records inside the native range; the climate across the range on the 12 of them placed to within 10 km; the map shows only the 6 openly licensed ones, which alone would put the marker 89 km away. 2 in-range records are placed to worse than 10 km, or with no stated accuracy (admitted only as a person's observation to three decimals), and stay on the map but off the climate.
How this section is made
The map marker: the openly licensed record nearest the middle of the densest 1° population of the 14 in-range records; it decides nothing. Records outside the native range, living specimens and records marked introduced are not used; which records count.

Photographs

Not checked. iNaturalist was skipped (not asked) when this page was built; GBIF's observation records with coordinates hold none. Not a statement that none exist.

Similar habitat climate The 6 nearest by mean daily high, mean nightly low and rain, month by month. How.

Ligularia mongolica Jejudo ragwort Elaeagnus macrophylla Elaeagnus macrophylla Broad-leaved Oleaster Photo: CC0, author not statedAster spathulifolius Aster spathulifolius Seashore spatulate aster Photo: CC BY, Violetta DzizyurovaSedum japonicum Sedum japonicum Rocky moss-rose stonecrop Photo: CC BY, W RaoCarex sampsonii Carex sampsonii Cyperaceae Photo: CC0, 葉子Juniperus procumbens Juniperus procumbens Creeping Juniper Photo: Public domain, Littleinfo

Other Hosta 19 in the reference

Hosta albofarinosa White Powder Hosta Hosta capitata Hosta capitata Ilwol hosta Photo: CC BY-SA, Marco SchmidtHosta clausa Hosta clausa Closed-flower hosta Photo: CC BY, Shu Suehiro Hosta hypoleuca White-backed Hosta Hosta kikutii Asparagaceae Hosta kiyosumiensis Hosta kiyosumiensis Kiyosumi Mountain Hosta Photo: CC0, DaderotHosta lancifolia Hosta lancifolia Narrow-leaf plantain-lily Photo: CC BY-SA, Krzysztof Ziarnek, KenraizHosta longipes Hosta longipes Iwa Giboshi Photo: CC BY, pavlaki1968 Hosta longissima Narrow-leaf hosta Hosta minor Hosta minor Minor hosta Photo: CC BY-SA, SalicynaHosta plantaginea Hosta plantaginea Fragrant plantain lily Photo: CC BY, Sara Patton Hosta pycnophylla Asparagaceae all 20 ›

Names & registers

Also known as Hosta jonesii f. albiflora. (GBIF Backbone)

GBIFPOWOIPNIWFOWikidataiNaturalist

The record

Family
Asparagaceae
Described by
M.G.Chung
Native to
Korea
Wild records
14 in range · 6 open

Every figure here is derived from public data by a stated rule and names its source; nothing about this species is written for its page by a person or by AI, apart from the marked, credited quotations. How →

Where this page came from built 2026-10-22
GBIF species record gbif.species answeredasked 2026-10-22
GBIF synonyms gbif.synonyms answeredasked 2026-10-22
GBIF common names gbif.vernacular answeredasked 2026-10-22names fetched 2026-10-22
WCVP native range wcvp.distribution answeredas of 2026-06-04
GBIF occurrence records gbif.occurrences answeredas of 2026-10-21GBIF occurrence download https://doi.org/10.15468/dl.hbdw64, of 2026-10-21
Habitat climate climate answeredasked 2026-10-22
Daily extremes (NASA POWER) climate.extremes answeredasked 2026-10-22NASA POWER (MERRA-2) daily 1981–2024, cell 34.50_126.875, lapse-corrected -33 m at 6.5 °C/km
Wikidata wikidata answeredasked 2026-10-22
Wikipedia wikipedia nothing to reportasked 2026-10-22
iNaturalist photographs, wild inat.photos.wild nothing to reportasked 2026-10-22from iNaturalist's open data of 2026-09-27: research-grade observations with an open-licence photograph, the 24 whose photographs iNaturalist received last (the open data holds no votes); filled 2026-10-22
iNaturalist photographs, cultivated inat.photos.cultivated not asked
GBIF media gbif.media nothing to reportasked 2026-10-22
Wikimedia Commons commons nothing to reportasked 2026-10-22
OpenAlex papers openalex not askednot yet asked for this reference; a later fill takes the papers from OpenAlex's snapshot

Every source is recorded as having answered, reported nothing, refused, failed, not been asked, or answered twice where one answer is taken (“not taken: two items answered”), and, for a source asked when this page was built, when: the figures are as the source held them that day; a source read from a file (Kew's World Checklist, a GBIF download) says "as of" the file's day instead; a row carried from an earlier build of the page names that build instead. Only “nothing to report” is ever shown as an absence. Records came from 5 datasets via GBIF.org; each carries its own licence.

Cultifolio

Opening your plants…