CANNA Terra Professional is a high-quality soil that contains a mixture of soil, perlite compost and natural agents to promote healthy plant growth. CANNA Terra Professional Soil Mix is not like what you'll find in gardening centers. If you are planning to grow in soil, this mixture is what you need. Canna terra professional soil has a small amount of fertilizer, it is lightmix soil, which makes it great for young plants. It can be successfully used as a soil for seedlings.