Audubon® Overcup Oak
In stock and ready to ship
A strong, sturdy shade tree to last through the ages! Overcup Oak is a long-lived native forest tree that will please many generations of nature lovers, shade seekers, and bird watchers. This wonderful bird-friendly tree hosts a vast array of caterpillars and other insects that songbirds adore. Chickadees, warblers, tanagers, gnatcatchers, titmice, vireos, and many other birds rely on these protein-packed morsels for their survival and that of their rapidly growing chicks. For larger birds like Blue Jays, Turkeys, and Woodpeckers, Overcup Oak’s acorns will supply additional nourishment in the fall.
May Benefit & Attract: Thrushes, waxwings, wood warblers, finches, mockingbirds & thrashers, chickadees & titmice, orioles, cardinals & grosbeaks, crows & jays, sparrows, nuthatches, vireos, hummingbirds, woodpeckers, and wrens.
Take Birds Under Your Wing
New! Introducing our bird-friendly collection of Audubon® Native Plants & Trees
- Better for Birds, 100% Neonic-Free
- Not Available in non-native regions, states or counties (see Native Regions map)
Bower & Branch is proud to grow Audubon® Native Plants for Birds in partnership with the National Audubon Society to help birds and other wildlife thrive.
- The National Audubon Society protects birds and the places they need, today and tomorrow
- This bird-friendly native plant provides food and shelter for local and migrating birds and other wildlife
- Your purchase and planting of this native flora directly supports Audubon’s conservation mission and impact
- Learn how you can help birds in your home and community through Audubon’s Plants for Birds program
- Audubon Native Plants & Trees are free of neonicotinoids and exclusively grown by Bower & Branch
Audubon® is a licensed and registered trademark of the National Audubon Society. All rights reserved.
Size AA (2-3' tall) container grown
Size A (5-6' tall) container grown
Size B (8-9' tall) container grown
Size C (9-10' tall) container grown
- Hardiness Zone: 5-9
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Overcup Oak gets its name from its unique acorns, which are mostly covered by a larger-than-normal cap. This cap helps the seed float away on the water that is usually at the feet of this moisture-loving tree. In the wild, Overcup Oak grows in wet soil near the Atlantic Coast, from New Jersey to Texas, and along the Mississippi River Valley to Illinois. Another name for Overcup Oak is Swamp Post Oak, a reference to its affinity for swampy soil and for its use in making fence posts. The wood is dense and strong, and it resists rotting.
Overcup Oak is a slow but steady grower. This slow growth is what makes the wood so strong and resistant to storm damage. Overcup Oak typically develops into a stocky tree with a dense, rounded crown. With great age, it can become very tall, however. The national champion, in Virginia, stands 124 feet tall! Its trunk is eight-and-a-half feet thick.
How to Grow
Plant your Overcup Oak in an area where it will have lots of elbow room and will receive full sun all day. It is not fussy about soil; clay soil is super. Although Overcup Oak is native to wet—even flooded—spaces, it does not need to be grown in a swamp. Well-drained soils of average moisture levels are fine. You will want to be sure to irrigate regularly during the first couple of years of establishment, however. Little pruning will be necessary, but if you must prune, do so only between December and February. The fungal disease Oak Wilt can strike when Oaks are pruned during active growth. A member of the White Oak Group, Overcup Oak is less susceptible to Oak Wilt than members of the Red Oak Group, but it is still vulnerable.
This graphic shows the approximate size and form of the Tree you are viewing.
Size A Trees:
5-6' tall, grown and delivered in a container. Although this size oak can be handled by one person its large container, stem and branching prevents it from fitting into a box. A van or SUV will be needed to bring this native home.
Size B Trees:
8-9' tall, grown and delivered in a container. One strong person can lift this size tree but two would make it much easier. A truck or trailer will be needed to bring this BIG tree home.
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