A Roy Klehm selection with a Mounded, semi-dwarf habit and striking red-purple flowers. The fall color is a deep burgundy that accentuates the compact growth habit.
| Scientific Name: | Spiraea japonica 'Purple Gem' |
| Zone: | 4 |
| Light: | Sun |
| Height: | 2' |
| Width: | 2-3' |
| New Shape: | Compact |
| Foliage: | Green |
| Flower: | Red-purple |
| Fall Color: | Purple |
