Ralph Shugert Periwinkle is a spreading evergreen perennial that makes a dense groundcover with smooth upright stems and small, glossy variegated dark green foliage with irregular white margins. Its tiny solidary deep blue flowers bloom from mid spring into summer. Grows best with part shade and moist rich well-drained soils. Can tolerate to near full shade and drought.
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Type: |
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Height: |
- 0.5' |
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Spread: |
2’ - 3' |
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Spacing: |
2.5' |
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USDA Hardiness Zone: |
4 - 9 |
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Culture: |
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Bloom Color: |
Blue |
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Season of Interest: |
MAINTENANCE NEEDS: Low Maintenance. No serious pests or diseases. Watch for vinca stem blight.
LANDSCAPE USES: Accents or Group Plantings, Borders, Naturalized Areas, Woodland Gardens, Rock Gardens, and Containers.
COMPANION PLANTS: Beardtongue, Lantana, Aster
IMAGES: photoset by Krzysztof Ziarnek, (1) Kenraiz, Vinca minor 'Ralph Shugert' kz02, (2) Vinca minor 'Ralph Shugert' kz04,, (3) Vinca minor 'Ralph Shugert' kz05, CC BY-SA 4.0, (2) Agnieszka Kwiecień, Nova, Vinca minor 'Ralph Shugert' Barwinek pospolity 2019-05-26 01, CC BY-SA 4.0, (3) Salicyna, Vinca minor Ralph Shugert 2020-06-23 9855, CC BY-SA 4.0
*As plants have ranges in appearance they may not appear as the images shown.
