increasing humidity on Begonia
Quick answer
If your Begonia has increasing humidity, the most likely cause is: Pebble trays raise local relative humidity around begonias through evaporation from the water-filled tray surface. When pot sits on stones above water line, water evaporates directly into surrounding air space, creating a localized humidity zone 5-15% higher than ambient room humidity. This passive humidity boost is particularly effective in dry indoor environments or during winter heating when ambient RH commonly drops to 20-30%.
Start here:
- 1. Fill shallow tray with 1-2 inches of water and layer with pebbles or stones
- 2. Place begonia pot on top of pebbles ensuring pot bottom does not touch the water directly
Why Begonia gets increasing humidity
Begonia spp.
Pebble trays raise local relative humidity around begonias through evaporation from the water-filled tray surface. When pot sits on stones above water line, water evaporates directly into surrounding air space, creating a localized humidity zone 5-15% higher than ambient room humidity. This passive humidity boost is particularly effective in dry indoor environments or during winter heating when ambient RH commonly drops to 20-30%.
How to reverse increasing humidity on Begonia
- 1
Fill shallow tray with 1-2 inches of water and layer with pebbles or stones
- 2
Place begonia pot on top of pebbles ensuring pot bottom does not touch the water directly
- 3
Refill tray water every 2-3 days to maintain continuous evaporation and humidity boost
- 4
Use tray diameter 4+ inches larger than pot for adequate evaporation surface area
- 5
Combine pebble tray with humidifier for multiplicative effect in very dry environments
- 6
Monitor local RH with hygrometer placed at plant level to verify 5-15% improvement
Keep increasing humidity off this Begonia
Use pebble trays as standard humidity maintenance for all begonias, especially during dry seasons; ensure tray diameter exceeds pot diameter by 4+ inches for adequate evaporation surface area; refill water every 2-3 days to maintain consistent humidity boost.