Pachypodium Lamerei MADAGASCAR PALM SUCCULENTS 1 Gallon Pachypodium Lamerei MADAGASCAR PALM SUCCULENTS) 1 Gallon grows best in warm climates and full sun. It will not tolerate hard frosts, and will likely drop most of its leaves if exposed to even a light frost. It is easy to grow as a houseplant, if you can provide the sunlight it needs. Use a fast-draining potting mix, such as a cactus mix and pot in a container with drainage holes to prevent root rot.