be precious, be rare

This herb is precious.

この薬草は貴重です

This herb is very precious.

この薬草はとても貴重です

This herb is especially precious.

この薬草は特にとても貴重です

This herb is especially precious these days.

この薬草は最近は特にとても貴重です

This herb is especially precious in this region too, these days.

この薬草はこの地域でも最近は特にとても貴重です