Add an easy-care oxalis to your windowsill

‘Copper Tones' (Oxalis spiralis ssp. vulcanicola ‘Copper Tones’)   
Height x width: 20 x 20 cm   
Description: Golden green foliage with a rusty red tinge; bright yellow sterile flowers
Culture: Full sun to part shade; hardy outdoors to 0°C

‘Molten Lava’ oxalis (O. s. ssp. v. ‘Molten Lava’)
Height x width: 20 x 20 cm
Description: Chartreuse foliage; bright yellow sterile flowers  
Culture: Prefers a sunny location; hardy outdoors to –2°C

‘Zinfandel’ oxalis (O. s. ssp. v. ‘Zinfandel’)   
Height x width: 20 x 20 cm
Description: Wine-red foliage; bright yellow sterile flowers
Culture: Full sun to part shade; hardy outdoors to –2°C

Velvet oxalis [Charmed series] (O. t. ssp. papilionacea ‘Jr Oxblavel’)
Height x width: 30 x 30 cm
Description: Purple to black foliage; pale pink flowers
Culture: Part shade to shade; hardy outdoors to –7°C

‘Iron Cross’ oxalis (O. tetraphylla ‘Iron Cross’)
Height x width: 15 x 15 cm
Description: Mid-green foliage; each leaflet has a purple V-shaped band at its base; red-dish purple flowers with yellow throats  
Culture: Protect from mid-day sun; hardy outdoors to –5°C

Myke oxalis (O. triangularis ‘Mijke’)
Height x width: 20 x 20 cm
Description: Solid dark purple foliage; pale pink flowers
Culture: Prefers a sunny location; hardy outdoors to –5°C

Wine oxalis [Charmed series] (O. t. ssp. p. ‘Jr Oxburwi’)
Height x width: 30 x 30 cm
Description: Dark purple foliage; pale pink flowers
Culture: Part shade to shade; hardy outdoors to –7°C

Jade oxalis [Charmed series] (O. t. ssp. p. ‘Jr Oxfroja’)
Height x width: 30 x 30 cm
Description: Emerald green foliage with a silver sheen; pale pink flowers
Culture: Part shade to shade; hardy outdoors to –7°C

Photos, from top: Jade oxalis, Velvet oxalis. Photos courtesy of Proven Winners.

Read more in Plants and Indoor Plants