The Monstera, often called the Swiss Cheese Plant, originates from tropical rainforests in Central and South America. In its natural environment, it grows under the canopy of larger trees, where the soil remains moist but well-drained due to frequent rainfall and high humidity. However, the plant’s roots are not constantly submerged in water, as excess moisture drains away quickly. This means Monstera prefers a balance—consistent moisture without waterlogging.
Several factors determine how often you should water your Monstera:
a. Light Exposure: Monsteras in bright, indirect light will use water faster than those in low light. More light increases photosynthesis, leading to higher water uptake.
b. Temperature and Humidity: Warmer temperatures and lower humidity cause the soil to dry out faster. In contrast, cooler or more humid conditions slow evaporation.
c. Pot Size and Soil Type: A well-draining potting mix (with perlite or orchid bark) prevents water retention. Smaller pots dry out quicker than larger ones.
d. Growth Stage: Actively growing Monsteras (spring/summer) need more frequent watering than dormant ones (fall/winter).
Instead of sticking to a rigid schedule, observe your plant’s signals:
a. Soil Dryness: Check the top 2-3 inches of soil. If it feels dry, it’s time to water. For deeper confirmation, use a moisture meter.
b. Leaf Behavior: Drooping or slightly curled leaves often indicate thirst. However, yellowing leaves may signal overwatering.
c. Weight of the Pot: A lightweight pot suggests dry soil, while a heavy one may still retain moisture.
To avoid overwatering, follow these steps:
a. Thorough Soaking: Water until excess drains from the bottom holes. This ensures roots absorb moisture evenly.
b. Drainage Check: Empty the saucer after watering to prevent root rot. Never let the plant sit in standing water.
c. Seasonal Adjustments: Reduce watering in winter when growth slows. Increase slightly during active growing seasons.
Overwatering is a common mistake that harms Monsteras:
a. Root Rot: Soggy soil suffocates roots, leading to fungal infections and black, mushy roots.
b. Yellow Leaves: A classic sign of excess water, often starting with lower leaves.
c. Pest Attraction: Damp conditions invite fungus gnats and other pests.
a. Use Room-Temperature Water: Cold water can shock the roots.
b. Consider Humidity Trays: Grouping plants or using a pebble tray mimics tropical humidity, reducing water stress.
c. Monitor After Repotting: Fresh soil retains moisture differently; adjust watering accordingly.