(Corydalis linstowiana) Genus:  Corydalis This species produces copious purplish-blue flowers in spring and fall. It has light green ferny leaves with a mid-rib of silver. Noteworthy Characteristics:  Biennial, but self-seeds in abundance.  Care:  Prefers partial shade and moist, well-drained soil. Propagation:  Sow seed when fresh; germination may be erratic; divide in fall. Problems:  Downy mildew, rust, aphids, slugs, snails; spider mites indoors.

Overview

Height 1 ft. to 3 ft. Spread 1 ft. to 3 ft. Growth Habit Clumps Growth Pace Moderate Grower Light Part Shade Only Moisture Medium Moisture Maintenance Low Characteristics Fragrant Flowers, Self Seeds, Showy Flowers, Showy Foliage Bloom Time Early Spring, Fall, Late Spring, Spring Flower Color Blue, Purple Uses Beds and Borders, Ground Covers, Naturalizing, Suitable as Annual Style Cottage Garden, Woodland Garden Seasonal Interest Spring Interest Type Annuals