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Sapphire Dragon Tree, Princess Tree, Empress Tree
Paulownia tomentosa
Climate Resiliency
1 out of 5 stars
Fast growing. Showy lavender-purple flowers that appear before the leaves emerge in spring. Conspicuous seed capsules. Large, soft-textured, heart-shaped leaves. Needs protection from our hot summer winds. Prefers acidic soils. Prune in winter. Fruit and leaf drop can be a litter problem. Prone to breakage if not properly pruned for structure. Marginal plant for our area.
- Plant type: Tree
- Maintenance level: High, Medium
- Water requirement: High, Medium
- Sun exposure: Part Sun, Shade
- Height range: 10–20 Feet
- Width range: 10–20 Feet
- Canopy value: 133 ft²
- Growth rate: Fast
- Seasonal habit: Deciduous
- Flower color: Purple
- Flower season: Spring
- Fruit color: Brown
- Fruit season: Autumn, Winter
- General foliage color: Green
- Hardiness cold tolerance: -15 °F
- Soil preference: Sand, Loam, Well Drained, Moist
- Native location: China
- PH preference: Acidic, Neutral
- Sunset zones: 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 31, 32, 33, 34, 35, 37, 39
- USDA hardiness zone: 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
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