The Rosy Glow Barberry (Berberis thunbergii 'Rosy Glow') is a cultivar of the Japanese barberry known for its striking foliage color and distinctive appearance. Here are some key features and care tips for the Rosy Glow Barberry:

1. Foliage: The most notable feature of Rosy Glow Barberry is its vibrant and variegated foliage. The leaves are typically a combination of pink, purple, and green. The new growth often has a rosy or reddish tint, which adds to the plant's overall visual appeal.

2. Size: Rosy Glow Barberry is a relatively compact shrub, reaching a height of around 3 to 4 feet with a similar spread. This makes it suitable for various garden settings, including borders, hedges, or as a specimen plant.

3. Thorns: Like many barberry species, Rosy Glow Barberry has thorns along its branches. The thorns can be sharp, providing a natural deterrent.

4. Sunlight Requirements: This barberry cultivar thrives in full sun to partial shade. Adequate sunlight helps enhance the intensity of the foliage colors.

5. Soil Conditions: Rosy Glow Barberry is adaptable to a range of soil types but prefers well-drained soil. It can tolerate slightly acidic to slightly alkaline conditions.

6. Drought Tolerance: Once established, Rosy Glow Barberry exhibits good drought tolerance. However, regular watering during dry periods is beneficial for optimal growth.

7. Pruning: Pruning can be done to maintain the desired shape and size of the shrub. Additionally, removing any dead or crowded branches helps promote air circulation.

8. Seasonal Interest: In addition to its colorful foliage, Rosy Glow Barberry may produce small yellow flowers in spring, followed by red berries in the fall. The berries can persist into winter, providing additional interest.

9. Disease Resistance: Barberries, in general, are relatively resistant to pests and diseases. However, it's always good practice to monitor for any signs of potential issues.

When planting Rosy Glow Barberry, consider its mature size and ensure proper spacing. It works well in mixed shrub borders, as a low hedge, or as a standalone specimen plant. As with other barberries, be aware of potential thorn hazards, especially if planting in areas with foot traffic.