Good drainage is important to the overall health and growth of your plants. Without good drainage, the roots can suffocate and become diseased. Diseases such as root rot, which can occur in cases of overwatering, can severely damage or kill your plants. For this reason, it is important that you do not house your plants in any type of pot without drilling drainage holes first. While most pots come with pre-drilled drainage holes, some decorative pots do not. You can drill holes with an ordinary hand drill, provided you have the proper bit.
- Skill level:
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Things you need
- Masking tape
- Permanent marker
- ½-inch carbide or diamond drill bit
- ½-inch, all-purpose, high-speed drill bit
Turn the pot over and determine where you would like to place the drainage holes. The drainage holes should measure ½ inches in diameter, with 6 inches of space between each hole.
Cover the bottom of the pot with masking tape. Use a permanent marker to mark where you would like to drill the holes, keeping in mind the spacing requirements.
Attach a ½-inch carbide or diamond drill bit to your drill. Carbide tips will work best if your pots are made of glass, ceramic or terra cotta.
Attach a ½-inch, all-purpose, high-speed drill bit to your drill if your pot is made of plastic. You can also use this drill bit if the pot is made of lacquered wood.
Hold the drill perpendicular, at a 90-degree angle, and press the drill bit into the pot where you would like to drill hole. Push the drill bit straight into the pot, and straight out. Repeat the process.
Tips and warnings
- Sprinkle some cold water on the surface of the pot to prevent the bit from heating up too much when drilling on ceramic, glass or terra cotta.
- Do not push the drill bit through the ceramic, glass or terra cotta pot in one full motion. Doing so can cause the pot to crack. Instead, push the drill bit through little by little.
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