Petrified (conditions)

* A petrified creature (and all of its mundane possessions) is transformed into a solid inanimate substance (usually stone). * A petrified creature’s weight is increased by a factor of ten and it ceases aging. * A petrified creature is incapacitated, can’t move or speak, and is unaware of its surroundings. * A petrified creature automatically fails Strength and Dexterity saving throws. * A petrified creature has resistance to all damage. * A petrified creature is immune to poison and disease (time spent petrified does not affect the duration of a poison or disease already in its system).

Source: 5e Core — official document

* A petrified creature is transformed, along with any nonmagical object it is wearing or carrying, into a solid inanimate substance (usually stone). Its weight increases by a factor of ten, and it ceases aging. * The creature is incapacitated (see the condition), can’t move or speak, and is unaware of its surroundings. * Attack rolls against the creature have advantage. * The creature automatically fails Strength and Dexterity saving throws. * The creature has resistance to all damage. * The creature is immune to poison and disease, although a poison or disease already in its system is suspended, not neutralized.

Source: 5e Core — official document

While you have the Petrified condition, you experience the following effects. * Turned to Inanimate Substance. You are transformed, along with any nonmagical objects you are wearing and carrying, into a solid inanimate substance (usually stone). Your weight increases by a factor of ten, and you cease aging. * Incapacitated. You have the Incapacitated condition. * Speed 0. Your Speed is 0 and can’t increase. * Attacks Affected. Attack rolls against you have Advantage. * Saving Throws Affected. You automatically fail Strength and Dexterity saving throws. * Resist Damage. You have Resistance to all damage. * Poison Immunity. You have Immunity to the Poisoned condition.

Source: 5e Core — official document