Six-pack—ground cover plants—rockcress—mix 'Zoete Zaden' - Hardy plantA cheerful mix of blue, purple and white flowers. The evergreen rockcress mix 'Zoete Zaden' covers the ground with a sea of colour! The rockcress is sweet smelling and very easy to grow. The plant is beautiful in rock gardens and in bowls or pots. Butterflies and bees are crazy about it, too! The flowers bloom between May and August. Place them in the sun and in free draining soil. It is important to not let the plant get too waterlogged in winter.