Cymbalaria aequitriloba, commonly called Kenilworth ivy, is an extremely low-growing perennial ground cover that rarely exceeds 3 inches tall but spreads 6 to 18 inches wide, forming a dense mat of tiny, mostly 3-lobed medium green leaves. In June and July, it produces delicate snapdragon-like flowers in lilac blue with yellow throats, sometimes tinged with pink. This Mediterranean native thrives in partial to full shade across hardiness zones 6 to 10, though it prefers cool summers and moderate winters and can struggle in hot, humid climates.
Partial Shade
Moderate
6-10
3in H x 18in W
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Moderate
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Kenilworth ivy's diminutive stature and trailing habit make it exceptionally useful for naturalizing in shaded spots where few other ground covers perform. The tiny snapdragon-like flowers, while too small to be showy from a distance, reveal themselves as exquisite details on close inspection. Indigenous to southern Europe, it remains most comfortable in Mediterranean-type climates but adapts to zone 6 when given a protected location.
Kenilworth ivy excels as a shade ground cover and works well for naturalization in woodland gardens, shaded borders, and as edging along pathways. Its extremely low profile and dense mat-forming habit make it valuable for erosion control in partially shaded areas.
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Start seeds indoors in a well-draining seed-starting mix. Keep soil moist but not waterlogged, as damping off can be a problem with seedlings. Provide bright, indirect light and maintain temperatures around 65 to 70 degrees Fahrenheit. Transplant seedlings outdoors after the last frost date once they develop their first true leaves.
Transplant hardened-off seedlings outdoors after the last frost date into part shade to full shade locations. Space plants 6 to 12 inches apart to allow room for their spreading habit. Water gently after planting and maintain consistent soil moisture during the establishment period.
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