- Up for sale is pink and white maltese cross, lychnis chalcedonica,100 seeds. - This very rare and beautiful, maltese cross has many pink and white flowers on the same flower head. They are usually all red. You won't find this at your local garden center. - They get about 3' tall and widen with age. They may need staking. - Very easy to grow. - Perennial, deciduous. - Zone: 4-10 - Sun: full sun. - Water: regular - Soil: rich, well-draining soil. - Height: 3' feet tall. - Bloom time: early summer. - Difficultly: easy, no pretreatment needed.