Carya 'Colby'

How to grow Carya 'Colby' in NZ

Growing Carya 'Colby' in New Zealand is rewarding with the right care. It prefers full sun and deep, fertile, free draining soils. Regular watering during the establishment phase encourages strong root development and steady growth. As a grafted hickory, 'Colby' is often planted alongside compatible pollinators to ensure good nut production. With patience, this long lived tree becomes a valuable asset to any orchard.

Carya 'Colby' care tips

Caring for Carya 'Colby' is straightforward and helps maximise nut yields. Water deeply during dry periods, especially while the tree is young. Apply a balanced fertiliser in spring to promote vigorous growth and nut development. Pruning is rarely needed beyond removing damaged or crossing branches. Mulching around the base helps conserve soil moisture and suppress weeds, ensuring steady growth.

Carya 'Colby' size, spacing, and growth rate

Carya 'Colby' can grow 10 to 15 metres tall with a broad, rounded canopy, so allow at least 8 to 10 metres of space when planting. The growth rate is moderate, with trees taking several years to reach maturity but rewarding growers with consistent nut crops once established. Its impressive size and longevity make it a true investment tree for larger gardens and orchards.

Landscaping uses for Carya 'Colby'

Carya 'Colby' is primarily valued for its nut production but also serves as a majestic shade tree. Its strong form and golden autumn foliage make it a striking feature in large gardens or lifestyle blocks. It can be incorporated into mixed orchards, windbreaks, or used as a specimen tree where space allows. The combination of productivity and beauty makes it a highly desirable addition to NZ landscapes.

Why buy Carya 'Colby' from The Plant Company?

Choosing Carya 'Colby' from The Plant Company ensures you receive premium quality trees grown in New Zealand conditions. As NZ’s most trusted plant nursery, we supply strong, healthy trees that establish well and deliver long term performance. Customers value our expert guidance, careful packaging, and fast nationwide delivery. When you purchase from The Plant Company, you can be confident your Carya 'Colby' will thrive and provide both beauty and nut harvests for many years.