Growing conditions
Cool Temperature class
12–3,744m Elevation
11°C Day/night drop
471mm Annual rainfall
Jan, Feb, Mar, Apr, Nov, Dec Dry rest
Temperature
55°N Northern Hemisphere Day high Night low Range across populations
Rainfall
471mm/year Dry rest period: Jan, Feb, Mar, Apr, Nov, Dec - reduce watering during these months
Jan -14° -19–-11 -24° -30–-20 17mm
Feb -11° -14–-9 -22° -27–-19 13mm
Mar -2° -4–-1 -15° -20–-13 14mm
Apr 6° 4–9 -5° -9–-3 26mm
May 15° 12–17 2° -0–4 41mm
Jun 21° 19–22 8° 6–10 64mm
Jul 23° 22–24 11° 9–13 83mm
Aug 20° 19–21 9° 7–10 76mm
Sep 14° 12–15 3° 1–4 51mm
Oct 5° 2–7 -4° -8–-2 37mm
Nov -5° -9–-3 -14° -20–-11 27mm
Dec -11° -16–-9 -20° -27–-17 22mm
Bloom Season
Based on 1 Cypripedium awards. Showing genus-level data.
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Hybrids from Cypripedium guttatum
As seed parent
Cypripedium × alaskanum × Cypripedium yatabeanum
Cypripedium Erich Maier × Cypripedium reginae