Campanula giesekianaVest ex Schult.

WFO wfo-0000827254 Accepted WFO 2026-06 8 photographs CC BY / CC BY-SA

Plate 1 figs. a–h · 8 separate observations

Campanula giesekiana, photographed by Todd Boland
fig. a Todd Boland, CC BY 4.0 / 2021-08-12 / obs. 150367015

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

Flowering 210 in flower of 217 examined

Proportion of examined Campanula giesekiana in flower, by month
Month In flower Examined Share 95% interval
Jan 0 0 too few examined
Feb 0 0 too few examined
Mar 0 0 too few examined
Apr 0 0 too few examined
May 0 0 too few examined
Jun 3 7 43% 16% to 75%
Jul 67 69 97% 90% to 99%
Aug 122 123 99% 96% to 100%
Sep 17 17 100% 82% to 100%
Oct 1 1 too few examined
Nov 0 0 too few examined
Dec 0 0 too few examined

Peak flowering in Sep. Each bar is the share of Campanula giesekiana observations in which someone actually recorded the reproductive state and found the plant in flower, not the raw number of flowering records. That distinction matters: people observe plants far more in spring than in winter, so a bare count of flowering records partly measures when people go outside. Dividing by the number examined removes that. 210 of 217 examined observations were in flower, every one of them research grade. The whisker on each bar is a 95% Wilson interval. 8 months have fewer than 5 examined observations, so no proportion is drawn for them. This is still a global aggregate and not a forecast for your garden: the same species flowers on different dates in different hemispheres. Where a species has fewer than 30 flowering records we do not draw this chart at all. Computed from 10.15468/dl.cgje2x.

Where it actually grows measured, from 831 observations

Condition 5th percentile Median 95th percentile
Coldest month, mean daily low -25.3 °C -13.5 °C -6.6 °C
Warmest month, mean daily high 6.1 °C 15.7 °C 24.2 °C
Annual rainfall 271 mm 983 mm 1,996 mm
Rainfall in the driest quarter 31 mm 194 mm 369 mm

It is found where winters are arctic. This is not care advice and it is not a forecast. It is a measurement: we sampled the climate at every one of the 831 research-grade observations of Campanula giesekiana that carry a coordinate, and this is the range those places actually span. The 5th and 95th percentiles are used rather than the minimum and maximum, because a single cultivated specimen in a heated conservatory should not widen a tropical plant's range to the Arctic.

This is not a hardiness zone. A USDA zone is the average annual extreme minimum temperature. The figure above is the mean daily minimum of the coldest month, which is a different quantity and is typically far warmer. Reading one as the other would place a plant several zones too warm, so we do not publish a hardiness zone, because we do not have one. Climate from CHELSA V2.1 (Karger et al. 2017); occurrences from 10.15468/dl.cgje2x.

Also published as 25 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

  • Campanula arctica (Lange) Hruby
  • Campanula arctica f. simplex Hruby
  • Campanula arctica var. typica Gleason
  • Campanula arctolinifolia Hruby
  • Campanula dubia A.DC.
  • Campanula gieseckeana subsp. groenlandica (Berlin) Böcher
  • Campanula gieseckeana var. arctica (Lange) Boch.
  • Campanula giesekiana subsp. groenlandica (Berlin) Böcher
  • Campanula giesekiana var. arctica (Lange) Böcher
  • Campanula groenlandica Berl.
  • Campanula lapponica (Witasek) C.Regel
  • Campanula pratensis Bach.Pyl. ex A.DC.
  • Campanula pratensis var. angustifolia A.DC.
  • Campanula rotundifolia f. albiflora Abrom.
  • Campanula rotundifolia f. dubia (A.DC.) Farw.
  • Campanula rotundifolia f. laciniata J.Rousseau & Raymond
  • Campanula rotundifolia f. lapponica Witasek
  • Campanula rotundifolia f. pygmaea Hartz
  • Campanula rotundifolia subsp. groenlandica (Berlin) Á.Löve & D.Löve
  • Campanula rotundifolia var. arctica Lange
  • Campanula rotundifolia var. dubia (A.DC.) J.K.Henry
  • Campanula rotundifolia var. giesekiana (Vest ex Schult.) Simmons
  • Campanula rotundifolia var. lapponica (Witasek) Simmons
  • Campanula rotundifolia var. uniflora Lange

and 1 more.

Sourcesevery claim on this page

  1. World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.

We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite. It has no native range either: Kew's checklist does not cover this taxon.