Variety traits
Lactuca sativa L.
An important biometric parameter of lettuce cultivars that determines planting density, harvesting methods, and the onset of the bolting phase.
In the reference 106 varieties crop Lettuce, where this is mentioned in the description.
When evaluating lettuce, plant height is measured from the soil surface to the apex or the growing point of the plant at the technical maturity stage. Leaf and butterhead varieties are characterized by a compact rosette, whereas Romaine-type varieties have an upright rosette, and stem lettuce is distinguished by significant stem height.
Changes in plant height serve as a technological indicator: excessive stem elongation due to unfavorable conditions or high temperatures indicates etiolation or an early transition to the flowering phase, which reduces market quality due to leaf toughening and the development of bitterness.
General information about the subject — on the page Plant height.
Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Lactuca sativa L. · Lettuce
Yaojin Peng
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Lactuca sativa L. · Lettuce
Gautier Semences SAS (FR)
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Lactuca sativa L. · Lettuce
Syngenta Crop Protection AG
Lactuca sativa L. · Lettuce
Enza Zaden Beheer B.V.
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Lactuca sativa L. · Lettuce
Harris Moran Seed Company
Lactuca sativa L. · Lettuce
Enza Zaden Beheer
Lactuca sativa L. · Lettuce
Enza Zaden Beheer B.V.
Lactuca sativa L. · Lettuce
Enza Zaden Beheer B.V.
Lactuca sativa L. · Lettuce
Vilmorin-Mikado S.A.S.
Lactuca sativa L. · Lettuce
Vilmorin-Mikado S.A.S.
Lactuca sativa L. · Lettuce
Graines Gautier SA (FR)
Lactuca sativa L. · Lettuce
Syngenta Seeds B.V.
Lactuca sativa L. · Lettuce
Vilmorin-Mikado S.A.S.
Lactuca sativa L. · Lettuce
Nunhems B.V.
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Lactuca sativa L. · Lettuce
Enza Zaden Beheer B.V.
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V., Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Lactuca sativa L. · Lettuce
Enza Zaden Beheer B.V.