Sea Shell Succulent Adromischus Cristatus Succulents (4" Pot) Sea Shell Succulent Adromischus Cristatus in 4" pot. Great for gifting! Sea Shell Succulents do well in your garden, on a patio, or in a sunny window. Comes in a 4" green pot with our own premium succulent soil blend. We ship fast, usually within 24 hours of ordering. The succulents will ship directly from our greenhouse to your door. Our plants never sit in dark warehouses. We pack expertly and guarantee live arrival. We also include an extended guarantee for 30 days from delivery! Comes with a FREE color postcard with care instructions.