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However, HN obviously does not need below zero temperatures to break dormancy.
Unfortunately, you cannot grow peonies successfully in Florida, southern California and most of the deep south. Zone 8 is the warmest zone for peonies. And if you're growing them in zone 8, it's wise to check locally to see which varieties are known to thrive. Feb 26, It's a lot of work and isn't very successful.
It's better to grow selections that are more suited to your climate. There are some varieties that will do well in Zone 8, and some gardeners have had luck with them in Zone shrublopping.clubted Reading Time: 1 min. A peat belt from the old swamps runs through part of Florida. Have the soil tested and purchase the cheapest plant you can find to try to see if it will grow in your area.
If it will and does nicely, try some others. Tree peonies should do real except along the coast. Tree Peonies in Florida. I thought some of you, especially in the deep south might be interested in this. I bought some tree peonies last spring to see how they would do here on the boundary of Zone 8B-9A, about 40 miles SW of Gainesville, FL. I grew them in pots all of last year, pulled off any remaining leaves left in October (I've been told.
Other than the cold, other considerations would include: water, drainage, light, and how the area will be used.
Apr 27, Generally speaking, peonies need several weeks of frosty or freezing temperature in order to do well. Buy a cheap one and try it before investing in the more expensive ones.
Plant it with the eyes level with the surface so it can feel the cold air. Deeper planting will just insulate it since the soil will not be as cold as the air where you are.