Thalictrum isopyroides: Meadow Rue with Steely Blue Parsley-Like Foliage

Meadow Rue (Thalictrum isopyroides), syn. Thalictrum 'Afghanistan', has exquisite tiny steely blue foliage resembling parsley. Leaves clothe stems up to 18 inches tall. Tiny greenish-yellow flowers in starlike clusters appear in early summer. Plants grow about 18 inches wide.

Growing Conditions

Moist, well-drained, humus-rich soil in full sun. Most Thalictrums are late to emerge in mid-to-late spring. Propagate by sowing seed in cold frame when fresh, or divide as new growth appears in spring. Watch for powdery mildew, rust, white smut, leaf spots, slugs.

Key Features at a Glance

• Height: 1–3 ft.
• Spread: 1–3 ft.
• Growth Habit: Clumping, Moderate
• Light: Full Sun
• Moisture: Medium to Wet
• Maintenance: Low
• Characteristics: Showy Foliage
• Bloom Time: Early Summer, Late Spring
• Flower Color: White
• Foliage Color: Colorful/Burgundy
• Uses: Beds, Borders, Ground Cover, Naturalizing, Waterside, Meadow Garden, Woodland Garden, Cottage Garden, Rock Garden
• Type: Perennials