Pot Size: 1 gal
Accepted Scientific Name:
Abies koreana 'Kohout's Icebreaker'
Origin and Habitat
Abies koreana 'Kohout's Icebreaker' is a cultivated dwarf variety derived from the Korean fir, which is native to the mountainous regions of South Korea, particularly in the higher elevations of Jeju Island and the mainland's southern mountain ranges. The parent species thrives in cool, moist climates with high humidity and well-drained acidic soils. This cultivar was developed in Germany by Jürgen Kohout and selected for its unique, compact form and striking needle coloration. It does not occur in the wild but reflects the hardiness and adaptability of the species to cold climates and ornamental landscapes.
Description
Abies koreana 'Kohout's Icebreaker' is a slow-growing, miniature conifer that reaches approximately 12 inches in height and up to 24 inches in width over many years. It forms a dense, flattened globe shape with highly recurved needles that expose bright silver undersides, giving it a frosted appearance. The needles are short, thick, and tightly clustered around the stems. While it rarely flowers in container or dwarf form, mature specimens may produce small upright purple cones, a characteristic of Korean firs. Its compact growth and shimmering foliage make it a standout in rock gardens and alpine plantings.
Cultivation
Zone USDA Zones 5–7
Temperature Prefers cool climates ranging from -25°C to 20°C. Protect from prolonged heat.
Growth Rate Very slow-growing; typically 1–2 inches per year.
Soil Requires well-drained, slightly acidic soil with pumice added for improved drainage and root health.
Watering Keep soil evenly moist but not soggy. Water deeply and allow the topsoil to dry slightly between waterings.
Fertilizing Use a balanced, acid-forming fertilizer every 2–3 weeks during the growing season. Do not overfeed.
Light Thrives in full sun to partial shade. In hot climates, provide afternoon shade to reduce stress.
Pests and Diseases Generally resistant but can occasionally suffer from aphids or root rot in poorly drained soil. Use horticultural oil for pests and ensure adequate soil drainage.
Propagation
Propagated by grafting onto compatible fir rootstock, as it does not root well from cuttings. Grafting should be done in winter or early spring under controlled conditions.