- Name: Ambrette - Other Common Names: Musk Mallow / Musk Okra / Annual Hibiscus - Scientific Name: Abelmoschus Moschatus - Color: Pink, Red, Orange, Pale Yellow, & White - Plant Seeds: Outdoors After Danger Of Frost / Indoors Weeks Before Last Frost - Bloom Time: Late Summer - Early Fall - Hardiness Zone: 9 - 11 (But Reseed Themselves Easily So They Act Like A Perennial In All Zones) - Plant Height: 48 - 72” - Plant Spacing: 24 - 36” - Light Requirements: Sun - Soil & Water Preferences: Average - Quantity: 40 Seeds - Other: This Heavy Bloomer Attracts Bees, Butterflies, & Birds Including Hummingbirds. Its Lovely Showy Tropical Blooms Produce Edible Seeds. Ambrette Also Has A Wonderful Musk Mallow Scent And It Is Uséd To Make Oils And Other Fragranced Products.