: Websites like Specialty Produce provide detailed info on seasonal availability and may help locate suppliers for professional or home use.

If you can't find them fresh, you can often find their derivatives:

: In wine-growing regions, talk to grape growers. They often "thin" their vines (dropping unripe clusters) and might sell them to you if you ask in advance.

: These are your best bet. Look for them labeled as Ghoreh (Persian). They are typically available fresh in late spring or early summer.

: They should be small, bright green, and very firm.

: Some ethnic grocery sites sell them frozen or jarred in brine throughout the year. What to Look For

: Found in jars at Persian markets, these keep much longer than fresh ones.