- Name: White Japanese Rose - Other Common Names: Rugosa Rose / Hedgehog Rose / White Crinkled Rose - Scientific Name: Rosa Rugosa Alba - Color: Pink Flower Buds / Pure White Flowers - Plant Seeds: Fall / Cold Stratify / Indoors Weeks Before Last Frost - Bloom Time: Spring - Fall (Reblooms) - Hardiness Zone: 2 - 9 - Plant Height: 6 - 8' - Plant Spacing: 4 - 6' - Light Requirements: Sun - Part Shade - Soil & Water Preferences: Average - Quantity: 10 Seeds - Other: Oh Just Wait Until You Hear All About This Beauty! It Has Huge Fragrant Pure White 4” Flowers And Large Orange-Red Hips That Add To Its Allure And Can Also Be Made To Make Jelly, Syrup, And Wine. This Extremely Cold Hardy Rose Bush Grows To A Perfect Size And Is Very Tolerant Of Shade And Salt And Is Very Disease Resistant, But You Don’t Have To Take My Word For It - It Is Also Very Highly Rated By The American Rose Society.