Citrus > Cold Hardy Citrus
New Citrumelos: Iva Swingle and Dingle
nullroar:
How good-tasting are we talking here? I see references of no poncirin resin, but is there even a hint of poncirin in the flavour profile at all?
I've got some Monticello citrumelo, and I was hopeful this would be as close to pincirin-free as possible...but the hunt continues. So far I've yet to see fruit on my pragues or citrangequats, the shield orange is trying to call it quits, and my Yuzus didn't make it thanks to a particularly evil muskrat.
Mulberry0126:
--- Quote from: nullroar on January 29, 2026, 02:49:00 PM ---How good-tasting are we talking here? I see references of no poncirin resin, but is there even a hint of poncirin in the flavour profile at all?
I've got some Monticello citrumelo, and I was hopeful this would be as close to pincirin-free as possible...but the hunt continues. So far I've yet to see fruit on my pragues or citrangequats, the shield orange is trying to call it quits, and my Yuzus didn't make it thanks to a particularly evil muskrat.
--- End quote ---
Monticello is almost free of the piney Poncirus flavors but as you mention it's still not perfect. It is better in flavor than aroma which seems to have more of these components.
I find that Iva Swingle is also close, and I consider it better than Monticello. It is edible down to the pith with no bitterness, but a sensitive palate will still detect some Poncirus flavor.
I'm not sure we can really get rid of it in a 50% hybrid, but it makes me curious about a Citrumelo back-cross involving pummelo or grapefruit.
Yuzu, Prague, and Thomasville/Augusta Citrangequat should all be free of such off-flavors, so you may enjoy these fruit more.
bussone:
What's the hardiness like for Iva Swingle?
Mulberry0126:
--- Quote from: bussone on January 30, 2026, 11:16:30 AM ---What's the hardiness like for Iva Swingle?
--- End quote ---
Should be similar to standard Swingle, I can't notice a difference in my climate they both look great. vnomonee is testing it in NJ so he should be able to comment on how his grafts performed in this cold Winter.
vnomonee:
This is from Feb 11th and today the 13th. The grafts spent ~200+ hours below freezing and a single day at 0f.
No protection provided.
The Iva on Swingle is pretty much undamaged, (except for the leaves of course) maybe a little marking here and there on the bark but otherwise no bark splitting or bleaching.
The Iva grafted on poncirus looks even better as it is not in full sun.
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