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Northwest Blooms · Groundcovers

Oxalis spiralis ssp. vulcanicola 'Plum Crazy'

Variegated Volcanic Woodsorrel

Oxalis spiralis ssp. vulcanicola 'Plum Crazy'
Family
Oxalidaceae
Height
6 to 10 inches
Width
6 to 8 inches
Flower color
Bright yellow
Foliage color
Deep plum purple with greenish veins
Bloom time
Late spring to early fall
Light
Full sun to partial shade
Water
Moderate
Maintenance
Low; occasional deadheading helps maintain appearance
Growing zone
Zones 7 to 10
Wildlife
Attracts bees and butterflies

About this plant

Oxalis spiralis ssp. vulcanicola 'Plum Crazy' is a colorful, low-growing perennial known for its ornamental foliage and cheerful blooms. The leaves display a mix of deep plum-purple with lime-green accents, creating a vivid contrast that adds visual interest throughout the growing season. From late spring to early autumn, bright yellow flowers emerge, standing out against the dramatic foliage.

This cultivar originates from the high-altitude regions of Central and South America, where it thrives in rocky, well-drained areas. Its adaptability and unique foliage coloration make it an excellent choice for adding year-round charm to borders, containers, or groundcover plantings.

Works well in

Rock Gardens · Borders · Pollinator Gardens · Containers

Companion plants

Ajugas · Heathers · Carex · Heucheras · Sedums · Blue fescues

Design tip

Use this colorful groundcover to create bold ribbons of contrasting foliage along borders, pathways, or container edges. Surround it with golden foliage, silver leaves, and fine-textured grasses to emphasize its rich color while adding rhythm, texture, and visual depth.