Thuja occidentalis 'Hetz Midget' is a dwarf cultivar of the American arborvitae, also known as Eastern arborvitae or white cedar. The botanical name for this cultivar is Thuja occidentalis, and 'Hetz Midget' is its specific cultivar name. Here are some key features and information about Thuja occidentalis 'Hetz Midget':

1. Size and Growth Habit: 'Hetz Midget' is a slow-growing evergreen shrub with a compact, rounded form. It typically reaches a height of about 3 to 4 feet with a similar spread. The small size makes it suitable for various garden settings, including small gardens and rock gardens.

2. Foliage: The scale-like leaves are dark green and tightly packed on the branches, creating a dense, fine-textured foliage. The foliage retains its color throughout the year.

3. Hardiness: 'Hetz Midget' is hardy in USDA Hardiness Zones 3 to 7. It can withstand cold temperatures and is well-suited for northern climates.

4. Sun Requirements: This dwarf arborvitae prefers full sun to partial shade. It tends to perform best when exposed to at least partial sunlight during the day.

5. Soil and Watering: It thrives in well-draining soil and prefers consistent moisture. While it can tolerate occasional dry spells, it's essential to provide adequate water during prolonged periods of drought.

6. Landscape Use: 'Hetz Midget' is commonly used for low hedges, foundation plantings, borders, or as an accent plant in small spaces. Its compact size makes it an excellent choice for landscapes with limited room.

7. Maintenance: Pruning needs are minimal, but occasional pruning can help maintain its compact form. It's generally a low-maintenance plant.

When considering the use of Thuja occidentalis 'Hetz Midget' in your landscape, be sure to plant it in well-draining soil, and provide appropriate sunlight and water conditions for optimal growth. It's a versatile and attractive option for those seeking a small, compact evergreen shrub with a neat appearance.