Yellowwood Tree
Cladrastis kentukea
The Yellowwood is a sophisticated, graceful deciduous tree celebrated for its exceptionally smooth, gray bark and the breathtaking display of cascading, wisteria-like flower clusters that adorn the landscape in late spring. Unlike most shade trees, this rare and refined native features a beautiful, broad, rounded crown with compound leaves that turn from a soft, vibrant green in summer to a stunning, brilliant golden-yellow in the autumn. When the late spring bloom arrives, the tree reveals its crowning glory: pendulous, white, pea-like flowers that perfume the air with a sweet, delicate fragrance. Engineered to thrive where others falter, the Yellowwood offers superb ornamental elegance, multi-seasonal interest, and the unique ability to act as a gentle, high-class focal point in residential gardens and parklands alike.
Mother Nature's Endorsement
How this native powerhouse pays it forward to your local ecosystem.
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Pollinator Magnet: The nectar-rich, fragrant flower clusters are highly attractive to bees and a variety of native pollinators during their spring bloom.
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Wildlife Shelter: The spreading, refined canopy provides excellent cover and nesting habitat for small songbirds and beneficial garden wildlife.
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The Larval Nursery: Serves as a host plant for several native moth and butterfly species, supporting the foundational levels of your local food web.
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Sustainable Beauty: Being a North American native, it is naturally well-adapted to regional climate cycles, requiring fewer inputs and less chemical intervention than non-native ornamental trees.
The Honest Harvest
What to expect when welcoming this legacy tree to your land.
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The Perks:
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Features incredibly smooth, beech-like bark that provides excellent winter interest and architectural beauty even after the leaves have fallen.
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Possesses an intoxicatingly sweet, light floral fragrance that can perfume a patio or sitting area during the late spring bloom.
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Boasts spectacular autumn color, with the foliage transitioning into a brilliant, reliable shade of golden-yellow.
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Highly adaptable to a variety of soil types and is notably resistant to common pests and diseases that plague other ornamental trees.
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Provides a beautiful, airy, and dappled shade that allows smaller plants to thrive underneath its canopy.
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The Caveats:
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The Yellowwood is known for "shy blooming"; it may produce a truly spectacular show of flowers only every few years, rather than a heavy bloom annually.
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The wood can be somewhat brittle; it is best planted in a location sheltered from exceptionally high winds or heavy, wet snow loads.
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It is a slow to moderate grower, making it a patient choice for those looking to invest in long-term landscape value rather than instant cover.
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Pruning should be performed in the summer rather than late winter or spring to avoid excessive "bleeding" of sap.
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Specifications
| Attribute | Details |
| Botanical Name | Cladrastis kentukea |
| Common Names | Yellowwood, American Yellowwood |
| Mature Height | 30–50 feet |
| Mature Width | 30–50 feet |
| Growth Rate | Slow to moderate (12–18 inches per year) |
| Lifespan | 50–100+ years |
| USDA Zones | 4–8 |
| Sun Preference | Full sun |
| Soil Type | Deep, rich, well-drained, fertile soils |
| Soil pH | Slightly acidic to neutral (6.0–7.5) |
| Water Needs | Moderate; prefers consistent moisture once established |
| Flower Color | Fragrant, white, pendulous panicles; late spring |
| Fruit Type | Flat, papery, brown seed pods; late summer/autumn |
| Pollinators | Bees, butterflies, and other native insects |
| Growth Habit | Broadly rounded, open, spreading crown |
| Spacing | 30–40 feet apart |
| Landscape Uses | Specimen tree, street tree, shade tree, parkland |
| Maintenance Level | Low |
Planting & Care Guide
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Initial Soak: Completely drench the root ball both immediately before and right after planting to ensure deep soil integration and eliminate air pockets.
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Handle with Care: Plant at the same depth as the nursery container; ensure the root flare is visible at the soil surface to promote long-term structural health.
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Mulch Magic: Apply a 2–3 inch layer of organic mulch around the base to retain soil moisture and suppress weeds, keeping the mulch a few inches away from the trunk.
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Establishment Era: Water regularly during the first two growing seasons. While it develops good drought tolerance with age, it performs best with deep soaking during prolonged summer dry spells.
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Easy Grooming: Minimal pruning is required. If pruning is necessary for shape or structure, perform this in the summer months to avoid the heavy sap flow characteristic of the spring.
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Light Feed: An annual application of balanced, organic compost or a light granular fertilizer in early spring is sufficient to support steady, healthy growth.
The Yellowwood is a refined, fragrant, and ecologically valuable native staple that brings a sense of quiet elegance to your backyard. Built to thrive in various light levels and soil types, it offers an effortlessly graceful, multi-seasonal experience that turns a simple stroll into a delight for the senses.