Forum home Plants

Advice on Black-eyed Susan plants

Lynn142Lynn142 Posts: 128
Both these plants were flowering well but the first one is no longer flowering. Is there any reason why this may be? 


  • fidgetbonesfidgetbones Posts: 16,526
    Cold? Where are you. In UK I would expect a tender perennial like Thunbergia alata to be killed by frost. Having said that, yesterday I saw a row of sweet peas in the lake district with  no flowers on but plenty of green leaves.  Since it hailed here this morning, howling gales and a power cut last night, I thought that was pretty unusual. The rest of the family gathering have gone out. I am staying in.
  • DovefromaboveDovefromabove Posts: 82,735
    edited December 2019
    Assuming you're in the UK the answer will be that 'it's winter'  .  The one that is flowering is probably in a more sheltered spot, but it will stop flowering soon and both are likely to die if unprotected in the winter. 

    Thunbergia alata is a tender perennial so if you want to keep it for next year it will need to be kept in a warm conservatory or heated greenhouse.  Most of us treat them as an annual and grow new ones from seed each year.  

    More info here

    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh

  • BijdezeeBijdezee Posts: 1,484
    I treat mine as annuals and grow new ones every year. 
  • Lynn142Lynn142 Posts: 128
    Thank you everyone for your replies & yes, we’re in the UK on the South coast. I will have a go at potting them & then put in our greenhouse which does get sunshine which, on most days, keeps it warm.
  • AstroAstro Posts: 386
    edited December 2019
    Mine flowered very well until we had a couple of frost's and that did them in.
Sign In or Register to comment.