Pumpkin Ash

Scientific name: Fraxinus profunda

Overview

Pumpkin Ash is a hardwood of wet bottomlands and swamps in eastern North America. Its common name refers to the swollen trunk base that can develop on very wet sites. The name does not describe orange timber: the wood belongs to the familiar pale-to-brown commercial ash group.

Although less familiar as a separately labeled lumber species, Pumpkin Ash has supplied factory lumber, dimension stock and material for handles and implements. It is useful to distinguish the species in a reference collection because its average weight and hardness differ from those of White Ash and Green Ash.

Quick Facts

  • Common Name: Pumpkin Ash
  • Alternate Common Names: Red Ash
  • Scientific Name: Fraxinus profunda
  • Region: North American Woods — Eastern and southeastern North America, chiefly coastal plains and Mississippi–Ohio lowlands, with scattered northern populations
  • Family: Oleaceae
  • Tree Size: Commonly 50–100 ft (15–30 m) tall; exceptional trees reach about 130 ft (40 m)
  • Average Dried Weight: Approximately 36 lb/ft³ (575 kg/m³)
  • Janka Hardness: Approximately 990 lbf (4,400 N)
  • Color: Pale sapwood with brown to gray-brown heartwood
  • Grain: Generally straight with visible annual growth rings
  • Texture: Coarse and ring-porous

Identification Characteristics

On a prepared end-grain surface, large earlywood pores mark the beginning of each annual ring, with smaller vessels in the latewood. These growth zones make pronounced patterns on the face of a board. Fine rays distinguish the ash appearance from oak’s more conspicuous ray figure.

A swollen base supports field observations but is not diagnostic by itself; other ashes can also develop buttressing in wet ground. Leaf and fruit characteristics, especially the large samaras and their persistent calyxes, help confirm the source tree. A board sold simply as “ash” cannot be assigned to Pumpkin Ash confidently from color alone.

Key identification traits include:

  • Large earlywood vessels in distinct bands
  • Pale sapwood and browner heartwood
  • Generally straight grain and a coarse texture
  • Fine rays without broad oak-like fleck
  • Often a swollen trunk base on wet sites
  • Very large winged fruits on a documented source tree

Working Properties

Pumpkin Ash can be approached as an open-pored interior hardwood, with particular attention to stock quality. Inspect older or salvaged timber for heart rot, checking and internal defects. A large butt or impressive log diameter does not ensure a long length of clear, sound wood.

Choose straight grain for handles and other loaded parts, and avoid substituting species averages for component assessment. For cabinet and furniture work, allow the stock to acclimate, machine it in stages and make a finish sample that includes both earlywood and latewood.

  • Inspect end grain and sawn faces for internal decay
  • Exclude knots and grain runout from stressed components
  • Support narrow edges during machining
  • Use sharp tools to reduce fiber lifting
  • Predrill fasteners near ends where needed
  • Check moisture in thick sections before assembly
  • Allow cross-grain movement in solid panels
  • Test stain and pore filling on representative offcuts

Safety Note

Wood dust can irritate the skin, eyes and respiratory tract. Use effective dust extraction, eye protection and suitable respiratory protection when machining or sanding. Inspect salvaged material for embedded metal, cracks and decay before cutting, and assess dead standing trees professionally before removal.

Common Uses

Recorded uses include furniture, cabinets, paneling, flooring and door or window frames, as well as handles and implement stock. Much of this timber has been used within the broader ash trade rather than under a dedicated Pumpkin Ash retail label.

Match the selection to the application and condition of the wood. Its wetland origin does not establish resistance to rot after felling, and ordinary untreated ash should not be selected for prolonged damp or ground-contact service on that basis.

  • Furniture and cabinetry
  • Interior paneling
  • Flooring from appropriately graded stock
  • Interior door and window components
  • Handles and implement stock
  • Dimension material for indoor woodworking

Sustainability & Notes

Emerald ash borer is a major threat to Pumpkin Ash, and the species also depends on suitable swamp and floodplain habitat. Its scattered distribution makes verified provenance especially valuable when documenting salvage or obtaining a collection specimen.

Source material only through authorized removals or other documented lawful supply. Follow current local rules for tree removal and the movement of ash material. Recovering lumber can retain the value of a removed tree, but it does not replace protecting surviving populations or wetland habitat.

Comparative Notes & Related Species

Related Guides

Compare Wood Properties

See how this species ranks in density and hardness using our Wood Density & Janka Hardness Chart. You can also explore Hardest Woods, Softest Woods, and Most Dense Woods for quick comparisons.

Collector Notes

Retain a transverse section with several growth rings, along with radial and tangential views. Record the exact locality and the identification evidence rather than relying on a “Red Ash” label, which is shared with other ash names in the timber trade.

Source-tree photographs of the base, leaves and mature fruits add value to the specimen. Record whether the sample is from the swollen basal portion or a straighter upper stem, and note decay, salvage circumstances and drying history so unusual figure or defects can be interpreted correctly.

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Resources

Authoritative botanical and forestry references used in compiling information about this species include:

• USDA Forest Service – Wood Handbook: Wood as an Engineering Material
https://www.fpl.fs.usda.gov/products/publications/

• The Wood Database – Global reference for wood identification, physical properties, and woodworking characteristics
https://www.wood-database.com/

• Royal Botanic Gardens, Kew – Plants of the World Online – Botanical taxonomy and species distribution database
https://powo.science.kew.org/

• International Union for Conservation of Nature (IUCN Red List) – Global conservation status assessments
https://www.iucnredlist.org/

• Convention on International Trade in Endangered Species (CITES) – International trade regulations for protected plant species
https://cites.org/

Additional forestry publications, academic research papers, and regional timber studies may also be referenced where available.

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Availability & Where to Buy

Exotic hardwood availability can vary significantly depending on region, sustainability regulations, and supplier inventory.

As this archive grows, recommended suppliers and specialty wood retailers will be listed here to help woodworkers locate responsibly sourced material.

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