Answer: Nicotiana has a long bloom season, spring through summer. Deadheading will help to encourage a new flush of bloom. Keeping your annuals well fertilized will also help them to put on a nice show for you this summer. I look for fertilizers designated for annuals, they are higher in phosphorous and potassium and really help with flowering. By the way, if you can't find a fertilizer that specifically says it is for annuals, look at the numbers on the packaging, such as 5-10-10. The last two numbers represent phosphorous and potassium, respectively.
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