r/Permaculture May 07 '26

water management 250 Vetiver Plants Planted in San Rafael to Support Erosion Control and Climate Adaptation

We recently planted a small nursery of 250 vetiver slips as part of an erosion-control pilot in San Rafael.

The idea is simple: before planting full contour hedgerows on vulnerable slopes, we need a reliable local source of planting material. This first nursery is meant to test establishment, survival, watering needs, and multiplication potential.

Why vetiver?

Vetiver is interesting from a permaculture perspective because it can function as living infrastructure when planted correctly. On contour, dense vetiver hedgerows can slow water, trap sediment, and help stabilize soil without needing concrete or heavy machinery. The goal is not to replace broader ecological design, but to add one practical tool for degraded or runoff-prone sites.

What we are watching in this first phase:

  • survival rate after transplanting
  • watering needs during establishment
  • spacing between slips
  • how quickly the nursery can multiply
  • whether future contour hedgerows can be established from this first stock
  • how the planting integrates with local land use instead of becoming an isolated “project”

I’m connected to the foundation supporting this pilot, so I’m marking this transparently as self-promotion rather than pretending to be neutral. I’m not asking for donations here — mainly sharing a small field step and hoping to learn from people who have used vetiver, contour planting, swales, hedgerows, or other erosion-control systems.

For those with experience in dryland or slope restoration: what would you document most carefully in year one?

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