Blue Lagoon
ActiveAconitum L. · Monkshood
Van Blokland Robbert G. C.|De Hoef, NL
Variety traits
Winter hardiness is a complex indicator of a variety's ability to remain viable throughout the winter and early spring periods, including resistance to frost and other environmental stress factors.
Mentioned in descriptions 27 261 varieties reference book.
Winter hardiness is a complex plant characteristic that includes resistance to freezing, smothering, waterlogging, frost heaving, and winter desiccation. Unlike frost resistance, which is limited to tolerance of low temperatures, winter hardiness takes into account the entire spectrum of adverse effects that lead to plant death or damage during the cold period.
The winter hardiness of a variety is evaluated using methods of field assessment of crop conditions after winter, employing scoring scales, as well as laboratory studies. The latter include direct freezing of plant monoliths, biochemical analyses of sugar accumulation, verification of the viability of the tillering node, and the use of genetic markers to determine resistance.
The level of winter hardiness depends on the genetic potential of the variety, the plant's ability to harden, agronomic cultivation practices, and the microclimate characteristics of a specific site. When choosing a variety, one should focus on regionalized forms, bearing in mind that the resistance indicator is relative and requires comparison with local standards and growing conditions.
Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.
Aconitum L. · Monkshood
Van Blokland Robbert G. C.|De Hoef, NL
Picea pungens Engelm. · Blue spruce
Kools Nelis|Deurne, NL
Erysimum L. · Wallflower
Charles Carr
Agapanthus L'Hér. · Lily of the Nile
Grahame Morrison
Sedum L. · Ice Plant
Walters Gardens Inc
Phlox subulata L. · Creeping phlox
Bartels Gosen B.H.
Thuja plicata Donn. ex D. Don · Western red cedar
DANIËLS BOOMKWEKERIJ V.O.F.
Clematis texensis Buckley · Crimson clematis
Fretwell Barry
Tiarella L. · Foamflower
TERRA NOVA NURSERIES INC
Rubus idaeus L. · Red raspberry
Ioriatti Diego
Cornus alba L. · Red-barked dogwood
Ron Boughen
Helleborus x ballardiae B. Mathew
Josef Heuger
Buddleja L. · Buddleia
Trees Scott C
Helleborus niger L. · Christmas rose
Josef Heuger
Buddleja davidii Franch. · Butterfly bush
Koot Johannes Adrianus Maria
Geranium wallichianum D. Don ex Sweet · Wallich's geranium
Kramer Hans|Ede, NL
Argyranthemum frutescens (L.) Sch. Bip. · Marguerite daisy
Andrew Bernuetz
Hydrangea paniculata Siebold · Panicled hydrangea
Kraan Kees Jan|Papenveer, NL
Rosa L. · Rose
DAVID JC AUSTIN
Sorbaria sorbifolia (L.) A. Braun
Jacques Couturieux
Scabiosa columbaria L. · Small scabious
Trees Scott C
Geranium L. · Crane's Bill
Kosick Karin
Malva sylvestris L.
Dick Degenhardt
Helleborus niger L. · Christmas rose
Josef Heuger