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. The latter are grey, ideal for a modernist, sleek chic. Great indoors or out, no planter is the same whether tall or trough, and heavily pocketed planters will weather over time and sometimes change colour, while glass-fibre reinforced concrete (GFRC) offers something different: resistant to weathering, GFRC will maintain its often sleek, uniform appearance, akin to fibreglass planters.