Iva hayesiana (San diego marsh elder) Medium - Best clay and in

- Best clay and in well drained soils

- Water moderately- one time a month after the first year

You can coppice mature trees in the late fall as necessary

The roots only grow in fall before the rainy season

- Toxic to humans and animals

Iva hayesiana (San diego marsh elder) Medium - Best clay and inSan Diego marsh elder, poverty weed A rare evergreen shrub that grows up to four feet tall and nine feet wide. It has spikey green leaves with yellow fragrant flowers that bloom during the Spring. It is fast spreading and great for hillside stabilization. This plant is also believed to be fire resistant. This plant produces a pollen that can produce an allergic reaction. It is best to prune in January through February. You can mow the the plant with a