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Jupiter grapes

Posted by dregae In,6a (My Page) on
Mon, Dec 23, 13 at 21:43

I often buy Jupiter grapes from a local vineyard and we enjoy the taste of them and would like to plant them in our yard but I have been reading that they aren't the healthiest. If this is true is there a better variety that taste as good that is healthier?

Thanks for your time
Grace e

Follow-Up Postings:

RE: Jupiter grapes

Actually in my mid-Atlantic climate outside Wash DC, Jupiter is one of the best for a combo of quality and disease resistance and productivity i.e. being healthy in humid climate per a few reports and it did well for me this year.

The skin is not that great for me, I'm really hoping Swenson Red (seeded) and new release Gratitude (seedless green) will be my grape winners in humid climate for combo of quality and disease resistance.

RE: Jupiter grapes

  • Posted by fruitnut z7b-8a,4500ft SW TX (My Page) on
    Tue, Dec 24, 13 at 9:42

The skin on Jupiter is awful for my taste. But my buddy likes them. For hardy seedless I prefer Canadice, Glenora, or Reliance as far as eating quality. But don't know how they compare on disease resistance.

RE: Jupiter grapes

The University of Wisconsin has had a seedless table grape trial in Madison, WI (zone 5a) for several years now. Jupiter isn't part of it (though, they may have planted it now, and will collect data soon). The purple grapes they have are Mars, Trollhaugen, and Venus. All are susceptible to downy and powdery mildews in humid weather, and occasionally require spraying. They use organic sprays. It isn't as humid here as the East Coast area.

Here is their results:

Here is a link that might be useful: UW Seedless Grape Trial

RE: Jupiter grapes

I planted Jupiter, Hope, and Joy last year. All were developed by U of Arkansas, Hope and Joy in 2012. I didn't spray at all and Hope and Joy had no disease issues. Jupiter got mildew and maybe black rot which slowed its growth. The Hope vine right next to it got nothing. Hope and Joy both grew 10 - 12 feet. I can't comment on the taste as I didn't let any fruit ripen. However, it looks like the newest U of A varieties are very disease resistant, and I assume that includes the other two that I haven't tried yet - Faith and Gratitude.

These vines are all available at Double A vineyards, which I highly recommend for all grape vines.

Here is a link that might be useful: U of A grapes

RE: Jupiter grapes

Rob, thats good to hear Re: the new Arkanses grapes. I did one spray of myclobutanil at about 1' shoot length and had no problems on Hope, Joy or Gratitude. I also do a copper dormant spray.

Jupiter also did fine, and generally it does fine every year with that regimen. I like the taste of Jupiter but its got a bit too much of that slipskin skin on it. Swenson Red is thin skinned and crunchy like your grocery store grapes but it has seeds in it. Heres to hoping the new AK grapes come through on all counts.


RE: Jupiter grapes

Swenson Red is a very fine tasteing grape and quite hardy to boot. I have been growing it for some time now and it does quite well in this zone 5. It does take a beating and gets winter killed back quite a bit. It however can bounce back quite fast since it is quite vigorus and then produce a nice crop. If we can get a little break from the fall frost it will develop some nice sweetness. The seeds slurp down quite nicely and are good for you! I might also add that it gets very little care.

RE: Jupiter grapes

Scott, I'd like to hear about the flavor of your grapes once you get fruit. I'd like to add Faith and Gratitude, I just don't want to build another trellis!

RE: Jupiter grapes

There was a Geneva New York muscat seedless grape that never got named. NY 65.483.2
I think it has a richer more fruity muscat flavor, but the berries are not as impressive as Jupiter.
I like it better for my region and it gets sweeter and tastier.
Of course the Seattle Tacoma area is much cooler.

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