Nematicidal Marigold: Nematicidal Heirloom
(Tagetes minuta)

This marigold has very small (hence the species "minuta"), white tubular flowers and the maintenance and care is similar to other Tagetes spp. The leaves have a complex but pleasant aroma. It is known as Huacatay in Peru and is used in culinary dishes. In addition, the plant is also touted as an effective nematicide. 

Small white flowers. Plant is leggy but serves as a hearty variety effective against nematodes. Heirloom variety from USA.