Plant Catalog › Thalictrum rochebrunianum (Giant Meadow Rue) Thalictrum rochebrunianum (Giant Meadow Rue) $0.00 Blooms: Late May through JuneH: 4-6' W: 2-3'Color: Purple Shades Add To Cart Added! Blooms: Late May through JuneH: 4-6' W: 2-3'Color: Purple Shades