HARDINESS
examples of the cold resistance of some plants in various locations and conditions

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our assessment is that our location on the island of VEN can be classified as US zone  hardiness 5-7, depending on protection from winds

 

page under development

 

 


PLANT
geo location photo annual maturity protection/ other growing conditions min tempe-rature in the last 5 years reporter
Magnolia Grandiflora Ven
from our garden
flower house 5 m from east -11 C  
Tetrapanax 'Rex' Skövde   recovers from roots   -20 C Ludvig Johansson

Paulownia fortunei
Skövde   flowers   -20 Ludvig Johansson
Castanea sativa Skövde   no flowering   - 30 C Ludvig Johansson

 fig
Ven
our garden
fruits protected  from 3 sides -11 C  
oleander Ven died 2020/21 from one side -11 C  
Fatsia Japonica Ven died 2020/21 not protected, was flooded some period -11 C  
Arbutus indeo Ven   fruit one side, wooden fence, west -11 C  
Castanea sativa Ven   fruit after introducing the second tree not protected -11 C  
Paulownia Tomentosa Ven
our garden
flower and fruits not protected -11 C  
Paulownia Tomentosa Malmö   flower, fruits protected in a town squere    
Paulownia Tomentosa Uppsala   protected by houses in the courtyard   Ebba Sigfridsdotter

Ceanothus thyrsiflorus, evergreen
Ven ,
our garden
suffered frost burns
2020/21
protected by a fence from one side -11 C  

Ceanothus x delileanus 'Gloire de Versailles'
Ven the branches survive   -11C  
Ceanothus x delileanus 'Gloire de Versailles' Vienna/ Auatria Ceanothus × delileanus 'Gloire de Versailles' (California Lilac) died to the ground   -20  

Tetrapanax papyrifer 'Rex'
Ven   suffers protected by a wrapping -11C  
Eriobotrya japonica Ven
our garden
no flowers yet protected -11C  
           
Gunnera manicata   died   was slightly  protected -11C  
various bamboo ven   no problms      
various bamboo Vienna   some suffered   -20  
I would like to know the practical hardiness of the following plants            
hardy Scheflera