Jim McKenney wrote: > Now can you tell us if it ever gets that cool in Nerine country? > From <http://plantzafrica.com/plantnop/…>: "Nerine sarniensis belongs to the small group of four winter-growing species. It is restricted to rocky mountain slopes in the Western Cape from Citrusdal to Caledon, where it grows on south- and north-west facing slopes." Here are a few annual monthly temperature records for towns in this general region. Wellington may be the most representative of the region in this description. All of them (both warmer and cooler locations included) drop below 17° C at night, even in the middle of summer. (Sorry about the formatting; I'm in a hurry.) WELLINGTON Average Minimum Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year °C 16.5 16.9 15.3 12.6 9.3 6.8 5.9 6.8 8.8 11.7 14.1 15.6 11.7 °F 61.7 62.4 59.5 54.7 48.7 44.2 42.6 44.2 47.8 53.1 57.4 60.1 53.1 ----- CALVINIA Average Minimum Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year °C 13.4 13.6 12.2 9.0 6.1 4.2 3.3 3.6 5.4 7.5 10.4 12.1 8.4 °F 56.1 56.5 54.0 48.2 43.0 39.6 37.9 38.5 41.7 45.5 50.7 53.8 47.1 ----- VREDENDAL Average Minimum Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year °C 14.8 14.6 13.9 12.0 9.3 7.6 6.6 7.2 8.6 10.7 12.5 13.8 11.0 °F 58.6 58.3 57.0 53.6 48.7 45.7 43.9 45.0 47.5 51.3 54.5 56.8 51.8 ----- KIRSTENBOSCH - BOTANICAL GARDENS Average Minimum Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year °C 15.6 15.6 14.7 12.8 10.5 9.2 8.2 8.5 9.6 11.3 13.2 14.6 12.0 °F 60.1 60.1 58.5 55.0 50.9 48.6 46.8 47.3 49.3 52.3 55.8 58.3 53.6 ----- --Lee Poulsen Pasadena, California, USA - USDA Zone 10a