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Variety traits

Winter Hardiness — Hibiscus moscheutos

Hibiscus moscheutos L.

The winter hardiness of the crop is determined by the rhizome's ability to remain viable after the above-ground part dies back during the winter dormancy period. The plant can withstand temperature drops down to -25...-34°C, provided that appropriate agronomic practices are maintained.

In the reference 4 varieties crop Crimson-eyed rose mallow, where this is mentioned in the description.

The winter hardiness of Hibiscus moscheutos is characterized by its classification within USDA hardiness zones 4 to 9. Successful overwintering depends on the root system's ability to resume vegetation from buds on the rhizome after the dormancy period ends. In variety trials, winter hardiness is confirmed by the survival rate of taxa over several seasons.

Cultivation technology includes mandatory autumn pruning of stems to a height of 2–15 cm and pre-winter irrigation to prevent root dehydration. In regions with harsh winters, hilling and mulching are used to protect the root zone, especially in the absence of stable snow cover.

Breeding of hybrid forms aims to increase winter hardiness, whereas the species Hibiscus moscheutos often trails specialized hybrids in this trait. The timely dieback of the above-ground part in autumn is a biological norm necessary for preparing the plant for winter conditions.

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

Sources8

Varieties of Crimson-eyed rose mallow 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.

TAHI12

Active

Hibiscus moscheutos L. · Crimson-eyed rose mallow

Tan Alain

5 records

TAHI05

Active

Hibiscus moscheutos L. · Crimson-eyed rose mallow

Alain Tan

4 records

Sparkle

Active

Hibiscus moscheutos L. · Crimson-eyed rose mallow

Oostveen Cornelis A.|De Kwakel, NL

3 records

Hibiscus moscheutos L. · Crimson-eyed rose mallow

Oostveen Cornelis A.

3 records

Hibiscus moscheutos L. · Crimson-eyed rose mallow

Fleming's Flower Fields Inc.

2 records

Hibiscus moscheutos L. · Crimson-eyed rose mallow

Smith Mark A.|Fort Myers, FL, US

2 records

TANGRI

Active

Hibiscus moscheutos L. · Crimson-eyed rose mallow

Alain Tan

2 records

Hibiscus moscheutos L. · Crimson-eyed rose mallow

Smith Mark A.|Fort Myers, FL, US

2 records

TANSOL

Active

Hibiscus moscheutos L. · Crimson-eyed rose mallow

Alain Tan

2 records

Mauvelous

Terminated

Hibiscus moscheutos L. · Crimson-eyed rose mallow

DOUG GILBERG

1 record

Xxl Red Hot

Terminated

Hibiscus moscheutos L. · Crimson-eyed rose mallow

Green Works International B.V.

1 record