Concrete planters can come heavily pocketed or smooth. The former arrive sand coloured - a classic mediterranean aesthetic - and are great for adding some rustic charm to your garden. Great indoors or out, no planter is the same, weathering over time and sometimes changing colour. The latter are grey, ideal for a modernist, sleek chic. Glass-fibre reinforced concrete offers something different. Resistant to weathering, GFRC will maintain its often sleek, uniform appearance, akin to fibreglass planters.