Q.When can you prune Dianthus (sweet william) in Central Mexico?
Are Dianthus annuals or perennials in Central Mexico? Will they come back yearly?

theficuswrangler
Answered on September 4, 2014
Dianthus' habits are more related to the variety of plant than to where it's growing. This article has more information: https://www.gardeningknowhow.com/ornamental/flowers/dianthus/growing-dianthus-plants.htm
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