Zebrina Malva is a magnificent perennial that bears gorgeous flowers. Flower spikes that can grow to 75 cm (30î) long are filled with 5 cm (2") lavender striped blooms. These gorgeous flowers blooms all summer long. Zone 5 Malva sylvestris Product Weight: 300 milligrams / approximately 75-85 seeds Plant Type: Perennial Bloom Color: Striped, raspberry pink Grows Best In: Full Sun Bloom Period: July to September Days to Seed Germination: 10 to 25 days Seed Planting Depth: 3 mm (1/8") Growing Height: 90 cm (3') Suggestions: Combines very well in the perennial border with Phlox or bright yellow Yarrow.