Orchid temperature requirements
Quick answer
For Orchid, temperature requirements come down to this: Orchid temperature requirements vary by type: Cool types need 10°C minimum winter nights; Intermediate need 13°C; Warm types need 18°C minimum. Cool types tolerate up to 24°C summer days; warm types need 5°C+ day/night differential.
Start here:
- 1. 1. Cool orchids (Cymbidium, Ada): 10°C winter night minimum, 24°C summer day maximum
- 2. 2. Intermediate orchids (Brassolaeliocattleya): 13°C winter night minimum
What temperature requirements mean for Orchid
Phalaenopsis spp.
Orchid temperature requirements vary by type: Cool types need 10°C minimum winter nights; Intermediate need 13°C; Warm types need 18°C minimum. Cool types tolerate up to 24°C summer days; warm types need 5°C+ day/night differential.
How to meet Orchid temperature requirements
- 1
1. Cool orchids (Cymbidium, Ada): 10°C winter night minimum, 24°C summer day maximum
- 2
2. Intermediate orchids (Brassolaeliocattleya): 13°C winter night minimum
- 3
3. Warm orchids (Angraecum, Phalaenopsis): 18°C winter night minimum, ideally 21°C
- 4
4. Ensure day temperature rises at least 5°C above night temperature for all types
- 5
5. Keep resting orchids in full light and mostly dry until new growth appears
Keeping Orchid in range
Match orchid type to available greenhouse/home conditions. Cool orchids suit unheated conservatories; warm orchids need heated growing spaces year-round.