Quercus x warei Oak 'Regal Prince' (Long)

Regal Prince® Oak is a superior hybrid oak selected for its strong upright growth, narrow columnar form, and excellent adaptability. A cross between English Oak (Quercus robur) and Swamp White Oak (Quercus bicolor), it combines the durability of native oaks with a more compact growth habit, making it an excellent choice for urban landscapes and areas with limited space.

Plant Details

• Botanical Name: Quercus × warei 'Long'
• Common Name: Regal Prince® Oak
• Plant Type: Deciduous shade tree
• Hardiness Zone: 4–8
• Mature Height: 45–60 ft. (14–18 m)
• Mature Spread: 15–20 ft. (4.5–6 m)
• Growth Habit: Upright, narrow, columnar
• Growth Rate: Moderate to fast
• Bloom Time: Spring (inconspicuous flowers/catkins)
• Foliage: Dark green, glossy leaves
• Fall Color: Yellow to golden-brown
• Acorns: Yes

Growing Conditions

• Light: Full sun
• Soil: Adaptable; prefers moist, well-drained soil but tolerates a range of conditions
• Water: Moderate; drought tolerant once established
• Deer Resistant: Generally yes
• Disease Resistance: Good overall resistance compared with many oak species

Features

• Excellent narrow form — ideal where traditional oak trees are too wide.
• Strong central leader and upright branching structure.
• Provides valuable shade without taking up excessive garden space.
• Long-lived and durable landscape tree.
• Good resistance to urban stress, heat, and pollution.
• Supports wildlife with acorns and habitat.