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I noticed that some raspberries are very tasty and sour but others taste sweet (which I don't like), and it is hard for me to know which it is by looking at them. Their size seem to correlate with this so I try to get small raspberries, but this does not always work.

I heard that the ones that taste sweet are usually a refined species, and that wild raspberries taste better.

I wonder if there is some raspberry kind that is known to be sour. Maybe I can try to remember their name and look in that case.

Emil
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  • Assuming you mean red raspberries , the sweet ones are likely more ripe. Yellow and black raspberries are less sour/ more sweet than reds. – blacksmith37 Mar 23 '21 at 20:04

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A raspberry native to the US that can be relatively sour is the black cap raspberry, Rubus occidentalis. Their fruit is smaller than a domestic raspberry. In my area of the US, the canes are only 3 ft (1m) high and very prickly. The canes often grow wild either in in open woods or, more commonly, as "edge" plants at the border between woods and field. In a domestic setting they can be invasive, as they spread underground to create a prickly thicket.

Jurp
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  • Do you think they are available in Europe? Is it popular in food industry? – Emil Mar 23 '21 at 17:41
  • I don't think they're popular in the food industry, but the berries make an excellent jam or jelly. I have found one reference to their occurring as a naturalized plant in Central Europe (https://www.researchgate.net/publication/272476284_Rubus_occidentalis_Rosaceae_-_A_new_naturalized_raspberry_species_in_the_Polish_flora). This probably means that it's being cultivated in those areas as well. Given its reputed health benefits, you may be able to find it in some specialized nurseries. – Jurp Mar 23 '21 at 18:44
  • @Emil Note that blackcaps have a different flavor, though. They taste kind of like black cherry Shasta, and they're about that sour. Most kinds get one crop per season. – Brōtsyorfuzthrāx Mar 23 '21 at 22:21
  • Allright. I did find some autumn raspberries that are supposed to be sour as well after searching for black raspberries so maybe they are a better fit for me. – Emil Mar 24 '21 at 05:44