These Marigold Seedlings are locally grown under organic conditions, and ready to flourish in your garden. We offer free delivery within Toronto on orders over $90. Cheery flower which empowers vegetable gardens. They attract beneficial insects, such as ladybugs, hoverflies and parasitic mini-wasps, that prey on garden pests. If you sow the marigolds as a cover crop and plow them under before planting, they will repel harmful nematodes.