Stems in green and white radish

HI,

I have few green and white radish (Japanese I guess).
However I found they are growing stems and flowers, not sure is it normal, what I have watched in Youtube none of them showed stems/flowers.
First 3 photos are white radish.
Last photo green radish.

 

Since radish is a root vegetable have you checked to see if it is producing ? Looks like they have just gone to seed ! They rarely produce if it is too hot !

 

Yes, they produce root...although still not a thick one.
Now is late winter in my area (Australia).

 

Thats odd ! Normally if the temp is moderate they make fine ! What is the temp there ?

 

They have been sitting there in last 5 weeks...temp around 15 celcius.

 

They should be going gangbusters ! I would change seed ! But look and see what your seeds growing requirements are !