Using Seaweed Fertilizer on Roses: Application Methods for Soil and Foliar Feeding

Method 1: Top-Dress

Scatter 1–2 handfuls around each bush (6 inches out), scratch in lightly, water well.

Method 2: Seaweed Tea (Super Tonic)

1. Large clean trash can + warm water.
2. Several handfuls seaweed + alfalfa pellets/meal + Epsom salt + liquid iron.
3. Steep 2+ days.
4. 1–2 cups per bush.

Seaweed provides trace elements and organic matter — roses love it, and you can't burn them.