October! Autumn has truly arrived. Most trees are now showing their autumn colors, creating spectacular patterns—some even more dazzling than others. This also applies to our Tree of the Month, Liriodendron tulipifera, better known as the American tulip tree. With its stunning bright to golden-yellow foliage, it is an essential part of the East American Indian Summer. And here in Europe too, this tree is an absolute showpiece for any park or large garden during the season.
Important Hardwood Species
The American tulip tree originates from the eastern United States, where it grows in moist habitats and is considered one of the most important hardwood species. In nature, it can reach heights of up to 80 meters, though in cultivation it usually grows no taller than 35 to 40 meters, with a spread of 10 to 15 meters. The species has an open, broad, oval-shaped crown and a perfectly straight trunk.
Decorative Blossoms
The American tulip tree only begins to flower at a later age, producing tulip-shaped blooms that remain on the tree from early June well into July. The flowers are beautiful, with a yellow-orange heart, though not very striking due to their greenish exterior and their location high up in the tree. The leaves are fresh green with a bluish-green underside, featuring a distinctive tulip-like shape with four lobes. Its decorative bark is a noticeable light gray with a net-like grooved pattern.
Ideal Growing Conditions
In its native habitat, the American tulip tree thrives on deep, fertile soils—ranging from rich loamy ground to sandy, moist (but not flooded) river islands. After about 15 years, the tree develops a deep taproot, which makes it highly drought-resistant. For the best autumn color, plant the American tulip tree in nutrient-rich, well-draining soil and in a sunny location.
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