The Blue Star Juniper (Juniperus squamata 'Blue Star') is a popular and compact evergreen shrub known for its striking blue-green foliage. Here are some key features and care tips for the Blue Star Juniper:

1. Foliage: The most distinctive feature of Blue Star Juniper is its dense, silvery-blue to blue-green needles. The foliage is scale-like and closely packed, giving the plant a unique texture and color.

2. Size: Blue Star Juniper has a low, spreading growth habit and typically reaches a mature size of about 1 to 3 feet in height with a similar spread. Its compact and rounded form makes it an excellent choice for small gardens, rock gardens, or as a ground cover.

3. Sunlight Requirements: This juniper thrives in full sun. Adequate sunlight exposure enhances the intensity of its blue color. It is well-suited for sunny locations and can tolerate a range of soil conditions.

4. Soil and Watering: Blue Star Juniper prefers well-draining soil and is relatively drought-tolerant once established. Avoid waterlogged conditions, and let the soil dry out between waterings. Once established, it can withstand periods of dryness.

5. Hardiness: Blue Star Juniper is a hardy plant and is well-suited for USDA hardiness zones 4 to 8. It can tolerate cold temperatures and is adaptable to different climates.

6. Landscape Use: Due to its compact size and attractive blue foliage, Blue Star Juniper is often used in landscaping as a low border plant, in rock gardens, or as a specimen plant. It works well in both formal and informal garden settings.

7. Low Maintenance: One of the advantages of Blue Star Juniper is its low-maintenance nature. It generally requires minimal pruning to maintain its shape. Pruning can be done in spring if necessary.

8. Disease and Pest Resistance: Junipers, including Blue Star, are generally resistant to many common diseases and pests. However, good garden hygiene and proper care can help prevent potential issues.

9. Year-Round Interest: Blue Star Juniper provides year-round interest with its vibrant blue foliage. The color remains consistent throughout the year, making it an attractive addition to the landscape.

When planting Blue Star Juniper, it's essential to consider its sunlight requirements and provide well-draining soil. As with any plant, local climate conditions should be taken into account for successful cultivation. Overall, the Blue Star Juniper is valued for its unique appearance, versatility, and ease of care in various garden settings.