Mugo Pine ‘Big Tuna’ is a robust, slow-growing evergreen conifer with a dense, rounded habit. It features rich, dark green needles that are short, stiff, and arranged in bundles of two, giving the plant a full, textured appearance. This cultivar is known for its compact yet vigorous growth, forming a broad, dome-like shape over time. Its bark is rough and scaly, adding an interesting contrast to the foliage. ‘Big Tuna’ stands out for its durability and resilience, making it a great choice for landscapes requiring low-maintenance greenery.
- Size: Mature height: 10 feet. Mature spread: 6 feet. Growth rate: Slow to moderate
- Light: Prefers full sun for optimal growth and density.
- Soil: Adapts to a wide range of soil types, including sandy, loamy, and rocky soils; well-draining soil is essential.
- Watering: Drought-tolerant once established but benefits from occasional deep watering in prolonged dry periods.
- Pruning: Minimal pruning required; can be lightly shaped in late winter or early spring if needed.
- Hardiness: Cold-hardy, typically thriving in USDA zones 2-7.
- Fertilizing: Apply a balanced slow-release fertilizer in early spring to promote healthy growth.
- Pests/Diseases: Generally resistant to pests and diseases but should be monitored for needle blight or pine sawfly infestations in humid conditions.