SKU: 87073397080
planting walnut seeds

planting walnut seeds Paradox Walnut

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Description

planting walnut seeds Paradox WalnutJuglans hindsii J. regia A vigorous and disease resistant hybrid used widely in the walnut industry, formally named and described by pioneering horticulturalist Luther Burbank 100% guaranteed Seed grown on California's Redwood Coast Transplanting and care instructions included Highlights Moisture Medium Cold Hardiness 10F Light Full Sun Size 40 60' tall 30 50' spread Lifespan 200 yrs Growth Rate Fast Growing Drought Tolerance High Wind Resistance

Juglans hindsii × J. regia

  • A vigorous and disease-resistant hybrid used widely in the walnut industry, formally named and described by pioneering horticulturalist Luther Burbank
  • 100% guaranteed
  • Seed-grown on California's Redwood Coast
  • Transplanting and care instructions included


Highlights

Moisture
Medium
Cold Hardiness
-10°F
Light
Full Sun
Size
40 – 60' tall / 30 – 50' spread
Lifespan
200 yrs
Growth Rate
Fast Growing
Drought Tolerance
High
Wind Resistance
Medium
Details

About Paradox Walnut

From the International Dendrology Society:

"Paradox Walnuts are hybrids between Juglans hindsii and J. regia, although the term is sometimes used loosely in North America to include hybrids between J. regia and other black walnut species. They are intermediate in leaf form and bark colour between the parents, are somewhat variable and cannot all be distinguished with certainty from other regia–black walnut hybrids except by molecular means. Typically they might have (7–)11–15 leaflets, with squarish, thick-shelled, weakly grooved nuts.

These very vigorous hybrids tend to give low nut yields, but produce fine timber. They are planted quite widely in California and sometimes further north on the Pacific seaboard as shade trees, where vigour is an advantage and nuts are considered messy. However, their greatest value is as rootstocks for grafted J. regia in the Californian walnut industry, thanks to their vigour and disease resistance.

Paradox hybrids have originated in two ways. Wild J. hindsii growing close to Common Walnut orchards will produce hybrid seedlings. Secondly, Californian plant breeder Luther Burbank made the cross deliberately in the latter part of the 19th century, first recording hybrids in 1878 and naming them ‘Paradox’ in 1893. Burbank was offering seedlings in his 1898 catalogue, noting that they showed a lot of variation. The name has never referred to a single clone and is now effectively a grex name. There is some confusion in the older literature over whether Burbank used J. hindsii or J. californica as a parent. This is easily resolved: J. hindsii was not recognised as distinct from J. californica at that time, so Burbank used the latter name, but all contemporary evidence agrees that the trees were Northern California Walnut.

Paradox Walnut can quickly make an impressive, broad crowned tree. Jacobson (1996) mentions a specimen in Whittier, California, which had a spread of about 30 m and girth of 4 m at only 62 years old. A tree of similar size in the suburbs of Portland, Oregon, was defended by local residents when threatened by a housing development in 2014."


About Jonsteen's Seedlings

All of our trees are seed-grown at our nursery on California's Redwood Coast, which is inspected monthly and licensed by the California Department of Agriculture. Trees can provide a natural barrier against high winds, temperatures, noise pollution and soil erosion, all while benefiting local air quality, wildlife and property values — a Jonsteen seedling will only grow in value and beauty!


About Jonsteen's 100% Guarantee

All of our trees are guaranteed to arrive healthy and in good condition. If your tree perishes despite your honest efforts, we will be happy to replace it with a small-sized seedling for just the cost of shipping/handling. You can learn more about our guarantee and tree replacement policy here.


Size Chart

Seedling Size Chart: Medium

Due to the dynamic nature of actively growing trees, as well as the tremendous variation between species’ growth rates, we rely on the cubic volume of a seedling’s root mass to determine its “size” (Small / Medium / Large / XL). Within each size there is minor variance — the dimensions provided here represent the category minimum. If exact measurements are essential, please contact us about current stock.


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 87073397080

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