Wall Planter Drainage: How to Water Plants in Planters Without Drainage Holes
By WallyGro | Published: 2026-09-05
Category: Tips & Care
Learn how to water wall planters without drainage holes, prevent root rot, and choose the right planter for your space.
Quick Answer
To water plants in wall planters without drainage holes, use a layer of gravel or perlite at the bottom, water sparingly, and monitor soil moisture. If you're unsure about your watering habits, choose a planter with built-in drainage or a design that allows for a drainage layer.
Wall planters are a great way to add greenery to small spaces, but many designs lack drainage holes. This can lead to waterlogged soil and root rot if you're not careful. In this guide, we'll show you how to water plants in planters without drainage holes and keep them healthy.
You'll learn practical techniques for watering, how to create a drainage layer, and when it's better to choose a different planter. We'll also discuss how WallyGro wall planters can simplify your vertical gardening.
Why Drainage Matters
Drainage is crucial for plant health because it prevents excess water from accumulating at the roots. Without drainage holes, water can pool at the bottom of the planter, leading to root rot and fungal issues. Even plants that like moisture can suffer if their roots sit in water for too long.
When a planter lacks drainage holes, you need to be extra careful with watering. The key is to add a drainage layer and water less frequently. This mimics the natural conditions plants prefer, where water flows through the soil and away from the roots.
- Use a layer of gravel or perlite at the bottom of the planter to create a reservoir for excess water.
- Check soil moisture before watering—stick your finger an inch into the soil; if it's dry, it's time to water.
How to Water Wall Planters Without Drainage Holes
Start by adding a 1-2 inch layer of gravel, perlite, or activated charcoal at the bottom of the planter. This creates a space where excess water can collect, away from the plant's roots. Then, fill the rest with well-draining potting mix.

When watering, use a small watering can with a narrow spout to control the amount. Water slowly and stop when you see water start to accumulate at the top. Wait a few minutes, then check if the soil has absorbed the water. If not, you've added too much.
Another method is to water from the bottom by placing the planter in a tray of water for 15-20 minutes. This allows the soil to wick up moisture without over-saturating the top. However, this is only possible if the planter is removable or has a separate tray.
- Always use a potting mix that drains well, such as one containing perlite or sand.
- Consider using a moisture meter to take the guesswork out of watering.
Choosing the Right Wall Planter
If you're shopping for a new wall planter, consider designs that make drainage easier. Some planters come with a built-in drainage tray or a design that allows for a drainage layer. Others, like WallyGro's pocket planters, have a tiered design that naturally promotes air circulation and drainage.
For example, the Pocket 5 Black Wall Planter from WallyGro is designed to hold multiple plants in a tiered arrangement. Its design allows you to create a vertical garden while providing space for a drainage layer. Similarly, the Pocket Mini Black Wall Planter offers a compact option for small spaces, and its tiered configuration helps with water management.
When choosing a planter, think about the type of plants you want to grow. Succulents and cacti need very well-draining conditions, while ferns and tropical plants can tolerate more moisture. Match the planter to your plant's needs to reduce the risk of overwatering.
- Look for planters with a removable inner pot or a drainage tray.
- Consider the size of the planter relative to the plant's root system—too large a planter can hold excess water.
Diagnosing Drainage Issues
- Symptom: Yellowing leaves, wilting, or a musty smell from the soil. These are common signs of overwatering or poor drainage.
- Likely Cause: Water pooling at the bottom of the planter due to lack of drainage holes. Roots sitting in water can lead to root rot.
- Corrective Action: Remove the plant, add a drainage layer, repot with fresh soil, and adjust your watering schedule. If the plant is severely affected, consider propagating healthy cuttings.
- Stop or Choose Another Option: If you frequently struggle with overwatering, choose a planter with drainage holes or a design that allows for a drainage layer. WallyGro planters like the Pocket 5 or Pocket Mini can simplify watering with their tiered designs.
WallyGro Planters for Better Drainage
- Pocket 5 Black Wall Planter: The Pocket 5 Black Wall Planter from WallyGro is a sleek and practical addition to any indoor or outdoor space. Designed to hold multiple plants, this tiered planter allows you to create a vertical garden that maximizes your growing area while adding a modern touch to your decor. The tiered design gives you room to add a drainage layer for each pocket, helping you manage water more effectively.
- Pocket Mini Black Wall Planter: The Pocket Mini Black Wall Planter from WallyGro offers a compact and stylish solution for adding greenery to vertical spaces. Its sleek black finish and tiered design make it a versatile choice for small plants in any room. Its compact size makes it easy to water carefully, and the tiered configuration allows you to position plants with different watering needs separately.
Watering wall planters without drainage holes doesn't have to be risky. By adding a drainage layer, watering sparingly, and choosing the right planter, you can enjoy a thriving vertical garden. If you're looking for a planter that makes drainage easier, consider WallyGro's range of wall planters designed with your plants' health in mind.



