Regal Prince Oak is a hybrid between Upright English Oak and Swamp Oak, making a sturdy deciduous tree that transplants easy with a signature columnar habit. Its large lobed foliage with a silvery underside that turns rich yellow and brown in fall. Best grown in full sun and rich, moist, acidic well-drained soils. Regal Prince is fast-growing for an oak and tolerates both drought and wet soils.
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Type: |
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Origins: |
Q. robur 'fastigiata' x Q. bicolor Hybrid |
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Height: |
40’ - 60’ |
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Spread: |
15’ - 25’ |
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Spacing: |
20’ |
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USDA Hardiness Zone: |
4 - 7 |
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Culture: |
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Bloom Color: |
Green |
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Season of Interest: |
MAINTENANCE NEEDS: Low Maintenance. Chlorosis is common in alkaline or neutral soils. Oaks are susceptible to a large number of diseases, including oak wilt, blight, root rot, anthracnose, oak leaf blister, cankers, leaf spots, and powdery mildew. Potential insect pests include scale, oak skeletonizer, leaf miner, galls, oak lace bugs, borers, caterpillars and nut weevils.
LANDSCAPE USES: Accents or Group Plantings, Borders, Woodland Gardens, Naturalized Areas, Wildlife Gardens, Privacy Screen, and Shade Tree.
COMPANION PLANTS: Spirea, Burning Bush, Serviceberry
IMAGES: Bruce Kirchoff, (2) Quercus robur, (2) John Robert McPherson, Quercus robur 7th Brigade Park Chermside P1030297, CC BY-SA 4.0, (3) Photo by David J. Stang, Quercus robur Regal Prince 2zz, CC BY-SA 4.0, (4) Photo by David J. Stang, Quercus robur Regal Prince 3zz, CC BY-SA 4.0, (5) Uoaei1, Quercus robur St. Marein 20151026, CC BY-SA 4.0
*As plants have ranges in appearance they may not appear as the images shown
