Digger's speedwell

Parahebe perfoliata

Photo/Illustration: 
Michelle Gervais
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Digger's speedwell (Parahebe perfoliata)
pair-ah-HEE-bee per-foe-lee-AY-tah
Synonyms:  Veronica perfoliata
Genus:  Parahebe
This native of Australia has blue-green perfoliate leaves (similar to some eucalyptus) and blue-lilac flowers on somewhat floppy stems. Digger's speedwell likes a hot location and will ramble over walls or grow through shrubs beautifully.
Noteworthy Characteristics:  Casual habit. Can take hot conditions and poor soil. Attractive, lax spikes of blue flowers in late summer.
Care:  Needs well-drained, poor to moderately fertile soil in full sun. Stake if desired.
Propagation:  Sow seed in containers in a cold frame as soon as ripe or in spring. Take semi-ripe cuttings in early or mid-summer.
Problems:  Slugs may eat new growth.

Overview

Height
1 ft. to 3 ft.
Spread
1 ft. to 3 ft.
Growth Pace
Moderate Grower
Light
Full Sun Only
Moisture
Medium Moisture
Maintenance
Moderate
Characteristics
Showy Flowers
Bloom Time
Late Summer,
Summer
Flower Color
Blue Flower
Foliage Color
Evergreen
Uses
Beds and Borders
Style
Rock Garden
Seasonal Interest
Summer Interest
Type
Perennials

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