London,
United Kingdom 
Should the following be deadheaded or not to get more flowers?
Osteospernums
Ammi
Salvias
Chocolate perennial cosmos
10 Jul, 2017
London,
United Kingdom
Should the following be deadheaded or not to get more flowers?
Osteospernums
Ammi
Salvias
Chocolate perennial cosmos
10 Jul, 2017
The Osteospermum and Cosmos, will produce more flowers when deadheaded. It depends on which kind of Salvia as to whether it will bloom again, but it still will be good for the health of the plants. There is only a slim chance of getting more blooms off the Ammi, though.
10 Jul, 2017