Later this year 2kg of rocket seeds will be flown to the International Space Station. After several months on board, the seeds will return to Earth and be sent to thousands of UK schools.

Dame’s rocket has four flower petals, while phlox has five. In addition, if your plant has hairy leaves, there’s a good chance it’s phlox—dame’s rocket leaves are smooth.

Rocket leaves are my favourite thing to grow and they never disappoint. It is quick to grow (you can start harvesting in four-six weeks), hardy against pests, perennial (grows year round) and ...