Lancelot
ActiveAllium porrum L. · Leek
Bejo Zaden BV, NL-1749 ZH Warmenhuizen
10 August 2026
Longton F1 belongs to autumn leek varieties with a harvest period from early October until the onset of frosts. The plant has a medium or slow development rate and forms an erect rosette of dark-colored leaves.
The pseudostem of the variety reaches a length of about 50 cm with a diameter of 25–30 mm. The plant does not have frost resistance, but is characterized by high resistance to thrips damage. A distinctive feature is the easy cleanability of the outer leaves and the base of the stem.
The variety is intended for fresh market sale, as well as for processing, including drying and freezing. It is often used for packaging.
2 jurisdictions
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.
Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 250882
№ PRE218/18204
№ 64/13419
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
More 3 records protections in other jurisdictions are shown on the map above.
Records are sourced from official registry publications. Data sources and legal status
The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.
This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources
Same species
Allium porrum L. · Leek
Bejo Zaden BV, NL-1749 ZH Warmenhuizen
Allium porrum L. · Leek
Bejo Zaden, NL
Allium porrum L. · Leek
Bejo Zaden BV (NL)
Allium porrum L. · Leek
Les Graines Caillard Sa (FR)
Allium porrum L. · Leek
Syngenta Seeds BV (NL)
Allium porrum L. · Leek
L. DÆHNFELDT A/S
Nearby in the species list Liones, Litoralis, Lizam, Logan, Long de Mézières, Long de Mézières, Long de Nice, Long géant du Verdet, Long géant du Verdet, Longina, Loti, Luckton, Lucretius, Ludovicus, Lumiton, Lungo d'inverno, Lungo d'inverno 2, Lungo della riviera, Maciek, Maine