Flowers that are likely to die if you forget to water them even once

Some flowers need consistent watering to thrive and avoid stress, especially in hot weather

Some flowers do alright if you forget to water them once or twice, but not all are that forgiving. Forgetting to water some less than drought-tolerant plants can cause severe wilting from which a plant cannot recover, and may even prevent blooms from returning for the season. 

This article from The Spruce outlines the plants/flowers that are least drought-tolerant and which you don't want to forget to water - ever. 

• Hostas
• Hydrangeas
• Coleus
• Begonias
• Roses
• Pansies
• Japanese Anenome
  
• Impatiens