'Whitewell Gem' Purple Rockcress (Aubrieta) for Iowa Gardens

An Iowa gardener (Zone 5) bought 'Whitewell Gem' purple rockcress (Aubrieta) as a low, flowering ground cover for full sun and wants to know how it performs.

Excellent Choice for the Midwest

• Hardy Zones 4–8—perfect for Iowa.
• Thrives in alkaline soils common in the Midwest.
• Forms a low mat (4–6 inches) covered in purple flowers in spring.
• Ideal for rock gardens, edging, between stepping stones.
• Low maintenance; shear lightly after bloom to keep tidy.

Growing Tips

• Full sun, well-drained soil.
• Avoid wet feet—root rot in heavy clay.
• Divide every 2–3 years in fall to maintain vigor.

'Whitewell Gem' is a reliable, colorful spring ground cover for sunny Iowa beds.