Pilot reported the aircraft nosed over during landing in a field covered in soft snow. After landing the pilot was able to lower the tail and flew back to home airport and had the aircraft inspected.

Narrative

On Date; at approximately XA00 UTC; the Pilot took off in the aircraft from ZZZ for a cross country flight to areas nearby ZZZ1. VMC prevailed for the entire route and duration of the flight. At approximately 2000 UTC; the pilot flew over an area just west of the town of ZZZ1 that's owned by [government]. The Pilot has landed at this particular location multiple times in the preceding two years. The Pilot performed two low passes to inspect the condition of the landing location. The Pilot landed without any issues. During taxi; the aircraft's main tires encountered soft snow and were stopped by weed plant that's embedded in the snow. The Pilot applied back pressure on the control stick and retarded throttle to idle. The aircraft slowly nosed over and came to rest with the tail up. The propellers struck snow and came to a stop. The Pilot shut the engine down and exited the aircraft. The Pilot was able to lower the tail and examined the nose section of the aircraft for damage. The Pilot was unable to find any visible damage. The pilot notified NTSB and FAA and was given permission to move the aircraft. The aircraft was moved to ZZZ. The Pilot was the sole occupant of the aircraft and the incident did not cause any injuries or damage to property.