A petunia-calibrachoa plant designated SAKPXC023 is disclosed. Embodiments include the seeds of petunia-calibrachoa SAKPXC023, the plants of petunia-calibrachoa SAKPXC023, to plant parts of petunia-calibrachoa SAKPXC023, and methods for producing a plant produced by crossing petunia-calibrachoa SAKPXC023 with itself or with another variety. Embodiments include methods for producing a plant containing in its genetic material one or more genes or transgenes and the transgenic plants and plant parts produced by those methods. Embodiments also relate to varieties, breeding varieties, plant parts, and cells derived from petunia-calibrachoa SAKPXC023, methods for producing other lines or plant parts derived from petunia-calibrachoa SAKPXC023, and the plants, varieties, and their parts derived from use of those methods. Embodiments further include hybrid seeds, plants, and plant parts produced by crossing petunia-calibrachoa SAKPXC023 with another variety.
