Berri Basket Rose Strawberry. A Ball Seed Exclusive selection. Available as Ball Premier Line® pelleted seed. Well-suited to baskets, the everbearing, compact and bushy plants bear large, deep red, full-flavored berries until first frost. Hardy to USDA Zone 5. 75-85 days to maturity. Formerly Pretty in Rose. Deep rose, semi-double flowers; mid-green leaves.