- Name: American Plum - Other Common Names: August Plum / Wild Plum - Scientific Name: Prunus Americana - Color: White Flowers / Purplish Red Fruit - Plant Seeds: Fall / Cold Stratify / Indoors Weeks Before Last Frost / Outdoors After Danger Of Frost - Bloom Time: Spring (April - May) - Harvest: Aug - Sept - Hardiness Zone: 3 - 8 - Plant Height: 10 - 15' - Plant Spacing: 10 - 15' - Light Requirements: Sun - Part Shade - Soil & Water Preferences: Average - Quantity: 5 Seeds - Other: The American Plum Is Native To The Us & Canada. It Is A Beautiful Showy Landscape Ornamental With Delicious Edible Fruit. They Can Be Grown As A Large Multi-Branched Shrub Or As A Small Single-Trunked Tree.