Slow, steady moisture release
Porous terracotta releases water slowly through osmosis to help provide gradual moisture to plants.
Aozita
Porous clay plant watering spikes that work with bottles to provide slow moisture release. They are a simple non-electric option for houseplants.

The most important capabilities and tradeoffs at a glance.
Porous terracotta releases water slowly through osmosis to help provide gradual moisture to plants.
Insert a spike near plant roots and use an inverted long-neck or wine bottle for longer watering.
Suitable for indoor and outdoor plants, including houseplants, patio and hanging plants, herbs, planter boxes, and raised garden beds.
Aozita Terracotta Watering Spikes are porous clay spikes for bottle-fed, slow moisture release in indoor or outdoor planted containers.
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Detailed specifications and product characteristics.
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