This edition of the catalogue is closed - welcome back to the next edition.

Seeds from the Index Seminum are not for sale, but are available on an exchange basis exclusively for scientific, educational and nature conservation purposes. The orders will be dispatched according to the availability of seeds.

Please read the terms and conditions below before placing an order.

Create order from the seed catalogue

Expand the list below and mark the seeds in the list that you would like to order. Then, press the [Place order] button to complete and send your order.
Collapse Index Seminum 2022Index Seminum 2022
Expand 2022 Cultivated Seed List2022 Cultivated Seed List
Expand 2022 Wild-Origin Seed List2022 Wild-Origin Seed List

Terms and conditions

In response to the Convention on Biological Diversity, The Dawes Arboretum, Newark, Ohio, supplies the requested seed on condition that:
  • They are used for the common good in areas of research, trials, breeding, education and conservation.
  • If the recipient seeks to commercialize either the genetic material, its products, or research derived from it, The Dawes Arboretum receives notification of such usage and is properly credited.
  • The Dawes Arboretum receives copies of any/all publications pertaining to the usage of genetic material received from The Dawes Arboretum.
By ordering seed or other plant material, the recipient accepts and pledges to respect the above conditions.

https://dawesarb.indexseminum.org/Default.aspx, United States of America (DAWES), 2022. The Dawes Arboretum, 7770 Jacksontown Rd. Newark OH 43056, USA

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The seeds listed are all open pollinated. Those collected in the wild or cultivated from wild collected plants include accession numbers and/or collection numbers and collection data. Additional source information (when available) for any item listed can be obtained upon request.

The Dawes Arboretum
7770 Jacksontown Road S.E.
Newark, Ohio 43056-9380 USA
1-800-44DAWES (443-2937)
  • Latitude/Longitude 39.980125 | -82.413094
  • Altitude 273.4-342.6 m (897.0-1124.0 ft.) MSL
  • Total Area 772.9 ha (1,910 acres)
  • Annual Normal Precipitation 1.06 m (41.81 in.)
  • Annual Normal snowfall 457 mm (18 in.)
  • Normal Daily Minimum Temp. 4.44° C (40° F)
  • Normal Daily Maximum Temp. 16.27° C (61.3° F)
  • Historic Low Temperature -32.77° C (-27° F)
  • Historic High Temperature 38.95° C (102.05° F)
  • USDA Plant Hardiness Zone 6
Arboretum location