How Often Should You Water an Orchid?

One of the most common questions orchid owners ask is: How often should you water an orchid? The answer depends on the orchid variety, potting mix, temperature, humidity, and season. For most Phalaenopsis orchids, watering every 7–10 days is usually ideal in the UK.

Watering a Phalaenopsis orchid correctly indoors in London

How Do You Know When Your Orchid Needs Water?

Instead of watering on a fixed schedule, check the growing medium first. If the bark feels dry and the roots have turned silvery grey, it’s time to water. Healthy hydrated roots are bright green.

Green roots = Wait before watering
Silver roots = Time to water
Wet bark = Do not water yet

Healthy orchid roots showing when to water a Phalaenopsis orchid

How to Water an Orchid Properly

The best method is to place the pot under lukewarm running water for around 30 seconds. Allow all excess water to drain completely before placing it back into its decorative pot.

Never leave your orchid sitting in water, as this can quickly lead to root rot.

Draining excess water from a Phalaenopsis orchid after watering

Common Watering Mistakes

Watering too frequently
Leaving water in the crown of the plant
Using ice cubes instead of room-temperature water
Not allowing the pot to drain properly

Seasonal Watering Guide

During spring and summer, orchids generally need water every 7 days. In autumn and winter, every 10–14 days is often enough, depending on your home’s temperature and humidity.

Healthy blooming Phalaenopsis orchid in a modern London home

Final Thoughts

Knowing how often to water an orchid is the key to keeping your plant healthy and encouraging beautiful blooms. Always water based on the condition of the roots and potting mix rather than following a strict calendar.

If you’re looking for premium orchid arrangements or expert advice, Bernard Rochet specialises in luxury orchids and orchid care in London.