Corydalis curviflora var. rosthornii 'Heronswood Form'

Corydalis curviflora var. rosthornii 'Heronswood Form'

Photo/Illustration: 
Marietta O'Byrne
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(Corydalis curviflora var. rosthornii 'Heronswood Form')
Genus:  Corydalis
This variety has fragrant, deep blue, cornucopia-shaped flowers carried tightly on red stems above 6-inch tall, blue-green foliage. It is considered one of the best blue forms for color and performance.
Care:  Prefers partial shade in moist, well-drained soil. It goes dormant in high temperatures.
Propagation:  Sow seed when fresh; germination may be erratic. Divide in fall.
Problems:  Downy mildew, rust, aphids, slugs, snails; spider mites indoors.

Overview

Height
6 in. to 12 in.
Spread
6 in. to 12 in.
Growth Habit
Clumps
Growth Pace
Moderate Grower
Light
Part Shade Only
Moisture
Medium Moisture
Maintenance
Low
Characteristics
Fragrant Flowers,
Showy Flowers,
Showy Foliage
Bloom Time
Early Spring,
Early Summer,
Late Spring,
Spring,
Summer
Flower Color
Island Paradise
Uses
Beds and Borders,
Ground Covers,
Naturalizing,
Specimen Plant/Focal Point
Style
Cottage Garden,
Woodland Garden
Seasonal Interest
Spring Interest
Type
Perennials

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Corydalis flexuosa 'Blue Panda'
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Corydalis elata
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Corydalis flexuosa