What is the best length for an 80 cm wide flower pond?

1.5 meters.

1. Suitable for planting a variety of plants: the length of 1.5 meters can accommodate most small and medium-sized plants, including herbs, shrubs, small trees, etc., which makes the flower pond highly adaptable and can be adapted to different conditions. Planting for different needs.

2. Sufficient space: The length of 1.5 meters provides sufficient space to design more complex landscapes, such as water features, rock gardens, etc. For large plants that require larger growing space, the length of 1.5 meters It is also large enough to accommodate the growth of large plants.