Growing conditions
Cool Temperature class
137–1,625m Elevation
14°C Day/night drop
1,322mm Annual rainfall
Jun, Jul, Aug Dry rest
Temperature
41°N Northern Hemisphere Day high Night low Range across populations
Rainfall
1,322mm/year Dry rest period: Jun, Jul, Aug - reduce watering during these months
Jan 9° 7–10 -1° -4–1 226mm
Feb 11° 9–12 -1° -3–2 179mm
Mar 12° 10–14 -0° -2–2 169mm
Apr 15° 12–16 1° -2–2 90mm
May 19° 17–21 3° 1–5 50mm
Jun 22° 20–25 7° 5–8 25mm
Jul 27° 25–29 9° 7–10 9mm
Aug 27° 25–30 9° 7–10 19mm
Sep 25° 23–27 6° 5–8 33mm
Oct 20° 18–21 3° 2–5 91mm
Nov 12° 10–13 1° -2–3 208mm
Dec 8° 6–10 -1° -4–1 223mm
Bloom Season
Based on 1 Cypripedium awards. Showing genus-level data.
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Hybrids from Cypripedium californicum
As seed parent
Cypripedium Anita × Cypripedium formosanum
Cypripedium Ilse × Cypripedium flavum
Cypripedium Lettika × Cypripedium macranthos
Cypripedium Münster × Cypripedium guttatum
Cypripedium Münster × Cypripedium guttatum
Cypripedium Tical × Cypripedium tibeticum