So in such places, temperatures drop at night, drainage around the dahlia tubers is good and light levels are high. Perhaps more importantly, dahlias typically came from elevated regions and grew in well-drained hillside locations. Whilst these areas have hot summers, winters can be cool. When you are growing and taking care of dahlias, it is always worth thinking about where dahlias come from and how your conditions differ from those that dahlias evolved in.ĭahlias are native to Mexico and other parts of Central America. Otherwise, if you want some guidance on how to grow dahlias in Florida’s sub-tropical central and southern parts, this is where you’ll find the answers you need. If you are in the southern keys, you might want to read this post on whether dahlias can grow in a tropical climate. We list more 120 heat tolerant varieties in this post: Heat tolerant dahlias: beat the heat with these 120 choice varieties. In particular, make sure you choose heat tolerant dahlias to maximise your chance of success. Will dahlias grow in Florida in the hot southern parts of the state? Yes they will, but you’ll need to think about the effects of extreme heat and humidity in summer and how this effects the way you plant and look after the plants. This post on how to grow dahlias will help you manage your Florida dahlias in these more temperate conditions. But growing dahlias in Florida is not without its challenges and those challenges will vary according to where in Florida you want to grow dahlias.Ĭan dahlias grow in Florida’s cooler, northern parts? Yes, but you will have to think about the the effects of cold and frost and how you overwinter your dahlia plants and tubers. There are plenty of examples of it happening. So, do dahlias grow in Florida? The short answer is yes. Thus Orlando is in zone 9b, Miami is in zone 10b and some of the most southerly keys are in zone 11b. In central and south Florida, the climate is sub-tropical, bordering on tropical. The lowest minimum temperatures are in in the north (zone 8), where hard frosts can occur. You can see this from the USDA plant hardiness zone map below. However, it is worth remembering that Florida’s climate varies across the state. Do dahlias grow in Florida? It is certainly a good question, because dahlias aren’t naturally suited to the year round heat and humidity that you’ll find in some parts of Florida.
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