Citrus > Cold Hardy Citrus

C35 Citrange

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Does anyone know how hardy C35 Citrange is? My Changshou quat rootstock is C35 Citrange . I want to know if I need to graft some of it to trifoliata when it gets a little larger.

C-35 hardiness is contingent upon it's state of dormancy. It's hardiness is best under steady cold conditions.

The origin of C35 was a seedling of Ruby orange x Webber-Fawcet trifoliate, made in 1951.  UCR released it in 1986.  Trees on C35 have relatively good freeze tolerance where the climate induces dormancy. As Kumin wrote, in climates with warmer winter temperatures, such as Florida and Texas, trees may be much less freeze tolerant. However, they are typically somewhat more susceptibleto freezes  than those on Trifoliate. Fruit also has relatively good freeze tolerance.  C35 has good compatibility with all oranges, grapefruit, and Lisbon lemons, but strong incompatible with Eureka lemon. Nearly all mandarins perform well for at least 10 to 15 years, but many eventually develop bud union crease and decline.  Lastly, C35 is well adapted to loam, sandy loam and sandy soil,  May perform poorly on very heavy soils with poor drainage  Poor tolerance to soils having high chlorides and also calcareous soils, where it is somewhat worse than Carrizo

I think by the time I get good at grafting it should be large enough to take cuttings and graft it to one of the trifoliata cuttings I took a couple days ago.

Your best bet at this time, without knowing the composition of your soil and without knowing the preferences of your citrus i to graft on standard poncirus. You can graft it now using a cleft or a chip
 You can wait till later when the temp drops or you can wait till spring is near and bud it then.


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