How to Use Clay Pots | Cooking and Gardening Basics

Whether you’re slow-cooking a stew or planting a tomato seedling, clay behaves differently from metal or plastic. The porous walls breathe, which is great for flavor and roots, but it also means you have to handle heat and water with more care. Here’s the practical breakdown for both uses.

Using a Clay Pot for Cooking: Seasoning and First Use

Unglazed clay cookware needs a simple preparation before its first meal. Skip this and you risk cracking the pot or ending up with dry, unevenly cooked food.

• Wash and rinse the pot and lid with warm water. Most makers recommend avoiding harsh soap on unglazed clay.
• Soak the pot if it’s unglazed. Timing varies widely by tradition — anywhere from 15–30 minutes up to 18–24 hours. The goal is the same: saturate the pores so the clay doesn’t pull moisture out of your food.
• Season it by cooking a water-based dish first. Rice, grains, soup, lentils, or porridge are the standard first meals. Some sources suggest simmering a starchy mix like rice water or diluted flour to condition the clay from the inside.
• Start cold. Put the filled pot in a cold oven and let it heat gradually. On the stovetop, start at low heat and increase slowly toward medium-low.

One common seasoning method is to fill the pot with water and simmer a starch mixture on low heat, which seals the tiny pores and preps the surface for regular cooking.

Clay Pot Cooking: Heat Rules and Common Mistakes

Clay cookware survives on gradual temperature changes. Sudden shifts — hot to cold, or empty to high heat — are what crack pots.

Several basic cautions apply across nearly every clay pot brand. Never heat an empty pot. Never add cold liquid to a hot one. Don’t use high flame. When you pull a hot pot off the stove or out of the oven, set it on a wooden board or a folded kitchen towel — not on stone, metal, or a wet counter. Clay pot seasoning guidance consistently stresses the cold-start and gradual-heat rule.

Stovetop compatibility depends on your specific pot. Some clay cookware is meant for gas or wood fire only. Others work on electric cooktops, but only with a heat diffuser to spread the heat evenly. Check your manufacturer’s instructions before your first stovetop use.

Cleanup is gentler than you might expect. Avoid harsh soap and abrasive scrubbers unless the maker says they’re safe. Many cooks just rinse with hot water and let the pot air dry completely before storing.

Using a Clay Pot for Plants and Watering

In the garden, clay pots are valued for their breathability. Air and moisture move through the walls, which helps prevent root rot and overwatering. The trade-off is that clay dries out faster than plastic, so plants need more frequent attention.

• Clean the pot before planting, especially if it held a different plant before.
• Check for drainage holes. If there are none, drill some — standing water in a clay pot defeats the whole point.
• Use container potting mix, not garden soil, which compacts too much in a pot.
• Water when the top inch of soil feels dry, and water until a little runs out the bottom. UC Master Gardeners’ container gardening basics recommend this same check for most container plants.

Because clay loses moisture so quickly, it’s less forgiving for plants that need consistently damp soil. Indoors, put a saucer under the pot to catch runoff. For a large container, some gardeners add a layer of gravel or broken pottery at the bottom to keep drainage clear.

There’s also the buried clay-pot irrigation method (often called olla-style watering). You fill an unglazed clay pot, bury it up to its neck in the soil, and the water seeps slowly through the walls into the surrounding roots. It’s an efficient way to keep garden beds watered during hot spells.

FAQs

Can I use dish soap on my clay cookware?

Most makers of unglazed clay recommend against harsh soap, because the porous surface absorbs it and can affect later meals. Hot water and a soft brush usually suffice. If you do use soap, rinse thoroughly and let the pot dry completely before storing.

Why did my clay pot crack on the stove?

The usual cause is a sudden temperature change — heating an empty pot, starting on high heat, or setting a hot pot on a cold or wet surface. Always start cold and low, raise heat gradually, and land hot pots on wood or a towel.

How often should I water plants in clay pots?

Check daily during warm weather, since clay loses moisture quickly. Water when the top inch of soil feels dry, and pour until water escapes the drainage holes. Plants in clay generally need water more often than the same plant in plastic.

If you’re looking to start small, browse this roundup of the best small clay pots for options that fit herbs, succulents, and starter plants.