Clay is the natural raw natural material actually used in making terra cotta and ceramic pots.
Ceramic vs terracotta pots.
The debate regarding plastic versus ceramic pots is long standing.
Clay can be thought of in terms of geological raw material which is the foundation product for the firing in the kiln which produces terra cotta and ceramics.
The other two words are an matter of subculture and semantics.
Some gardeners love plastic pots others will only use ceramic or clay.
That should give us a clue.
Archaeologists and art historians refer to clay objects such as sculptures or tiles made without a potter s wheel as terra cotta.
Terra cotta is an italian term that means baked earth terra cotta refers to a glazed or unglazed piece of ceramic made using organic clay fired in a potter s kiln.
Each type of flower pot has advantages and disadvantages.
Most often the precursor rock is a type of granite.
Objects made on the potter s wheel are called.
Clay is created by the by the chemical weathering and geothermal alteration of igneous rocks into hydrous aluminium phyllosilicates.
Terra cotta unglazed clay pots are made of a particular soil and fired in kilns during the manufacturing process.
The word terra cotta itself means baked earth in italian.
However ceramic pots are typically glazed with a coat of lacquer that prevents the soil from drying out at the same speed as it would in an unglazed clay or terracotta planter.
The porosity of clay allows air and moisture to penetrate the sides of the pot.