Adenophora triphylla

“Perennial Adenophora (Ladybells) plants” — Adenophora Plant Growing & Care Guide for Gardeners

“seeds generally germinate within 2-4 weeks” — Japanese Lady Bell (Adenophora Triphylla) Care Guide: Water, Soil & Propagation - Plantiary

“seeds will germinate once temperatures reach about 50°F (10°C)” — Adenophora Plant Growing & Care Guide for Gardeners

“Does best in a full sun or partial shade, with a preference of warm soil.” — Adenophora Plant Growing & Care Guide for Gardeners

“with medium water requirements” — Giant-bellflower (Adenophora triphylla) - Plant Care Guide | Plantory

“Slightly acidic to neutral pH (6.0-7.0) is ideal” — Japanese Lady Bell (Adenophora Triphylla) Care Guide: Water, Soil & Propagation - Plantiary

“Hardy in USDA zones 3-8 and RHS Hardiness H7” — Adenophora Plant Growing & Care Guide for Gardeners

“It is best to sow Adenophora on the soil surface, with a spacing of 30 to 60 cm (1 to 2 feet)” — Adenophora Plant Growing & Care Guide for Gardeners

“typically reaches about 40 inches (100 cm) in height” — Adenophora Plant Growing & Care Guide for Gardeners

“Sow seeds in the spring” — Adenophora Plant Growing & Care Guide for Gardeners

“In East Asian cultures, the thick roots and young spring shoots are harvested and prepared” — Japanese Lady Bell (Adenophora Triphylla) Care Guide: Water, Soil & Propagation - Plantiary

“There are no known major toxicity concerns for humans or common household pets” — Japanese Lady Bell (Adenophora Triphylla) Care Guide: Water, Soil & Propagation - Plantiary

“protecting from slugs is crucial.” — Adenophora Plant Growing & Care Guide for Gardeners