Fireworks In Summer! This Dramatic Variety Will Turn Heads Through Summer And Autumn. Fully Hardy And Dependable It Comes Back Year After Year For Great Displays.these Flowers Are Delivered To You As Young Plants That Are About 12cm 5in From Root To Tip.plants At This Stage Are At The Perfect Stage Of Development To Grow And Flower Really Fast Once Planted.if You Receive Your Plants Before April Pot Up Into Larger Pots and Plant Out Into Containers or Beds From April Onwards.on A Pleasant And Dry spring Or Summer Day Plant Out Into Soil And Water Well. As The Plants Start To Flower Add A High Potassium Fertiliser To Give Your Flowers A Real Boost.