Forum home Plants

Tall Perennial Ideas for Containers

Hi everybody, I am looking for some inspiration for two containers for my summerhouse decking. The decking is off the ground and has a rail around it and I would like the flowers to show above the rail.

My pot sizes are 45cm high and 35cm width (although I can get taller ones if necessary).  If possible, I would like something that flowers for a long time and keeps its foliage through the summer.

Thanks in anticipation


  • Hi

    not sure if this is ideal for containers but I am planning on planting this net years to add some height in my sunny border

  • Mark56Mark56 Posts: 1,653

    Verbena bonariensis? How much sun are we talking?

    Last edited: 17 October 2017 19:01:14

  • FairygirlFairygirl Posts: 54,860

    Some of the taller lilies would fit the bill. 

    It's a place where beautiful isn't enough of a word....

    I live in west central Scotland - not where that photo is...
  • hogweedhogweed Posts: 4,053

    If the pot is 18 inches, the railings will be about 3 feet so we are looking for:

    something which is over 2 ft tall and flowers all summer.

    Not sure if Cosmos would do well in a pot but that is one. The bigger dahlias might be another. Catmint also flowers all summer. And I had flowers on my penstemons for months. 

    'Optimism is the faith that leads to achievement' - Helen Keller
  • Hi  Mark56, the sun is on the decking in the afternoon until sunset. 

    hogweed, yes the plant needs to be 2’ or more. I like the sound of cosmos but I was not sure if it grows well in a pot. Hubby not too keen on penstemons.    

    GardenSpurs and Fairygirl, will look at lilies and veronicastrum.

    many thanks everyone

Sign In or Register to comment.