Certified Availability 2020

The varieties within this section have been certified to 2010 Protocol, FPS, CPCNW or other certified standards. . Look for the certification designation in parentheses following the clone information to ensure you are getting the level of certification you desire. You will be charged a premium for certified vines. For further information on 2010 Protocol please read the available description in the FAQ section.

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  • 1103P
    1103P rootstock provides high scion vigor and is tolerant of high alkalinity (high pH soils), high salinity (salt content), and cotton root rot (generally an issue in high pH soils). It is poor at taking up potassium fr...
  • Out of Stock
    Black Spanish
    Black Spanish is an older variety that is tolerant to Pierce’s disease (it can carry the disease and thus be a source of infection if insect vectors are present with no reduction in yield, but Black Spanish vines sold ...
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