How can I make a flower bed on concrete stairs?

I have concrete stairs that I have had a deck built over and made new stairs to enter onto the deck, and I want to make a flower bed on the old steps but want to plant Perinnals. Will they be able to sustain a winter on the concrete like that and return every year? I want to plant mums, it is the south side of my house and I live in NW Arkansas

  2 answers
  • Lucky Home Today Lucky Home Today on Oct 11, 2019

    What are your winters like? We have freezes in NM and experience temperatures below freezing. I'm going to pull our plants and cover the planter with a bed sheet till next spring.

    • DJP53 DJP53 on Oct 11, 2019

      We get below freezing and mine have come back every year that I planted in the ground but I didn’t know if being concrete underneath would cause more freezing. I also have lantana planted outside that has been coming back for years and getting bigger and bigger!

  • Kelli L. Milligan Kelli L. Milligan on Oct 11, 2019

    Probably not. Anyway, I've never had mums last past one year. I quit buying them.