What plant hardiness zone is La Roche-Blanche
La Roche-Blanche is located at Loire-Atlantique, Pays de la Loire (PDL), France.
Plant hardiness zone (winter frost zone or gardening zone) for La Roche-Blanche is 8a by the USDA scale.
Coldest zone's winter temperature is −12.2 … −9.4 °C.
Plants of 8a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 8a USDA.
Alternative climatic zone of gardening for La Roche-Blanche by UK RHS scale is H5.
Plants of H5 RHS hardiness zone suitable for outdoor gardening and growing in this winter frost zone H5 RHS.
La Roche-Blanche, Loire-Atlantique @ wikipedia.
* The lowest temperature in La Roche-Blanche was -9.4 °C on 12/02/2012.