BLACKTHORN / SLOE Prunus Spinosa - 10 SEEDS Genus - Prunus Species - Spinosa Common name - Blackthorn / Sloe Other names - Sloe Pre-Treatment - Required Hardiness zones - 4 - 7 Height - 8'-10' / 2.4m - 3.0m Spread - 6'-8' / 1.8m - 2.4m Plant type - Tree Vegetation type - Decidious Exposure - Full Sun, Partial Shade Growth rate - Medium Soil PH - Acidic, Neutral, Alkaline Soil type - Light (sandy), medium (loamy), heavy (clay), well-drained soil Water requirements - Average Water Landscape uses - Edible ftuits Germination rate - 79% Leaf / Flower color - Green / White Plant growth rate - Medium A decidious Shrub growing to 3m at a medium rate. It is hardy to zone 4. It is in flower from March to April, and the seeds ripen in October. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects. It is noted for attracting wildlife. The plant prefers light (sandy), medium (loamy) and heavy (clay) soils and requires well-drained soil. The plant prefers acid, neutral and basic (alkaline) soils and can grow in very alkaline soil. It can grow in semi-shade (light woodland) or no shade. It requires moist soil. The plant can tolerate maritime exposure. (info source: Learn2Grow.com)