Self-watering pots can be a good option for outdoor use, but there are some important factors to consider:

Pros:

• Reduced watering frequency: This is the biggest advantage. Self-watering pots have a reservoir that holds water, allowing plants to draw moisture as needed. This can be especially helpful in hot, dry climates or if you tend to forget to water regularly.

• Consistent moisture: They help maintain consistent soil moisture, which is crucial for healthy plant growth. This can prevent overwatering and underwatering, both of which can stress plants.   
• Convenience: They can be a great time-saver, especially if you have a lot of plants or if you travel frequently.  

Cons:

• Cost: Self-watering pots tend to be more expensive than traditional pots.
• Maintenance: You need to check the water reservoir regularly and refill it as needed. You also need to clean the pot periodically to prevent algae growth and ensure proper drainage.   
  
• Drainage: While they help prevent overwatering from the top, it’s still important to ensure the pot has drainage holes to prevent waterlogging from rain.   
• Plant suitability: Not all plants are suitable for self-watering pots. Some plants prefer drier conditions and may develop root rot if they sit in consistently moist soil.   
  
• Climate considerations: In very rainy climates, the self-watering feature might become redundant, and you’ll need to ensure proper drainage to prevent the pot from becoming waterlogged.

Things to consider when using self-watering pots outdoors:

• Material: Choose a durable, weather-resistant material like plastic, resin, or terracotta.
• Size: Select a size that is appropriate for the plant you’ll be growing and the location where it will be placed.
• Drainage: Make sure the pot has drainage holes to prevent waterlogging from rain.
• Plant type: Choose plants that are well-suited to the consistently moist conditions provided by self-watering pots.
• Location: Consider the amount of sunlight and rainfall the pot will receive and adjust your watering schedule accordingly.

Overall, self-watering pots can be a good option for outdoor use, but it’s important to weigh the pros and cons and consider the specific needs of your plants and your climate.