The Stonehead F1 hybrid is early-ripening or medium-early with a growing season of 60–70 days. The plant is compact, forming round, dense heads of grey-green color weighing 1.8–2.7 kg. The crop is resistant to Fusarium oxysporum, black rot, and cracking, and is intended for fresh consumption.
The variety «Каменная голова» is classified as late-ripening with a growing season of 140–160 days. The plant forms a semi-erect rosette and round or flat-round heads weighing 3–4.5 kg, sometimes reaching 7 kg. The variety is distinguished by high cold hardiness and is suitable for long-term storage and pickling.
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Countries of admission
1 jurisdiction
Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.
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