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Variety traits

Hosta winter hardiness

Hosta Tratt.

The winter hardiness of Hosta is determined by its ability to withstand winter temperatures according to USDA zones and the requirement for a dormancy period at temperatures below +4 °C for a successful biological cycle.

In the reference 7 varieties crop Hosta, where this is mentioned in the description.

There is no standardized winter hardiness scoring scale for Hosta; therefore, when evaluating cultivars, reference is made to their classification within specific USDA hardiness zones. An important aspect of winter hardiness is the genetically determined requirement for a chilling period, consisting of several weeks at temperatures below +4 °C. Failure to meet this requirement in warm climates leads to weakened spring regrowth and plant degradation throughout the season.

The survival of Hosta rhizomes and renewal buds during winter depends on resistance to a complex of adverse factors. Key risks include damage to early shoots from recurrent spring frosts, rotting or decay of the root system due to excessive moisture and poor drainage, and exposure to critical frosts in regions with unstable snow cover, which necessitates additional mulching.

General information about the subject — on the page Winter hardiness.

Sources8

Varieties of Hosta mentioned in the description

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.

June

Protection expired

Hosta Tratt. · Hosta

NEOPLANTS LTD

NL
4 records

Empress Wu

Active

Hosta Tratt. · Hosta

Walters Gardens Inc

4 records

Forbidden Fruit

Active

Hosta Tratt. · Hosta

Martinus Jacobus Wilhelmus Fransen

4 records

Amalia

Active

Hosta Tratt. · Hosta

Hendrik Jan van den Top

2 records

Titanic

Active

Hosta Tratt. · Hosta

Hansen Hans A

2 records

Hanky Panky

Active

Hosta Tratt. · Hosta

Shady Oaks Nursery LLC

2 records

Loyalist

Active

Hosta Tratt. · Hosta

Vitro Westland B.V.

2 records

Remember Me

Active

Hosta Tratt. · Hosta

Vitro Westland B.V.

2 records

Prairie Sky

Active

Hosta Tratt. · Hosta

Hansen Hans Andrew|Waseca, MN, US

2 records

Forest Fire

Application submitted

Hosta Tratt. · Hosta

CLIFFORD'S PERENNIAL & VINE

2 records

Magic Fire

Active

Hosta Tratt. · Hosta

van den Top Hendrik Jan|Barneveld, NL

2 records

Earth Angel

Active

Hosta Tratt. · Hosta

Shady Oaks Nursery LLC

2 records

Great Escape

Active

Hosta Tratt. · Hosta

Hendrik Jan van den Top

2 records

Khaltsion

Terminated

Hosta Tratt. · Hosta

Alieksieienko Oksana Volodymyrivna, Vol`s`ka IUliana Oleksandrivna,

UA
1 record

Tango

Terminated

Hosta Tratt. · Hosta

Gerardus J.C.M. Heemskerk

1 record

Kvin Zhozefine

Terminated

Hosta Tratt. · Hosta

Alieksieienko Oksana Volodymyrivna, Vol`s`ka IUliana Oleksandrivna,

UA
1 record

Vaid Brim

Terminated

Hosta Tratt. · Hosta

Alieksieienko Oksana Volodymyrivna, Vol`s`ka IUliana Oleksandrivna,

UA
1 record

Party Streamers

Application submitted

Hosta Tratt. · Hosta

Hans A. Hansen

1 record

Holden Tiara

Terminated

Hosta Tratt. · Hosta

Alieksieienko Oksana Volodymyrivna, Vol`s`ka IUliana Oleksandrivna,

UA
1 record

Patriot

Terminated

Hosta Tratt. · Hosta

Alieksieienko Oksana Volodymyrivna, Vol`s`ka IUliana Oleksandrivna,

UA
1 record