What plant hardiness zone is Romans-sur-Isère

Romans-sur-Isère is located at Drôme, Auvergne-Rhône-Alpes (ARA), France.

Plant hardiness zone (winter frost zone or gardening zone) for Romans-sur-Isère is 7a by the USDA scale.

Coldest zone's winter temperature is −17.8 … −15 °C.

Plants of 7a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 7a USDA.

Alternative climatic zone of gardening for Romans-sur-Isère by UK RHS scale is H6.

Plants of H6 RHS hardiness zone suitable for outdoor gardening and growing in this winter frost zone H6 RHS.

* The lowest temperature in Romans-sur-Isère was -16.5 °C on 05/02/2012.