Dave of Alexandria is preparing for a change in his home’s landscape, “Is this a suitable time of year to [replace coral bark maples]? If not, when would you recommend?” Dan Gill, retired AgCenter horticulturist, wrote, “October to March is the prime season for planting hardy trees in Louisiana, and November through early December is an especially suitable time. The soil is still warm, which encourages vigorous root growth, and trees will have several months to get established before next summer’s heat.