Blackberry Fruit - Shrub Seeds - Rubus Allegheniensis - NOT PICKY ABOUT SOIL TYPE - Heat Tolerant & Hardy To Zone 3 - By MySeeds.Co (00020 Seeds - 20 Seeds - Pkt. Size) Blackberry Fruit - Shrub Seeds Rubus Allegheniensis - NOT PICKY ABOUT SOIL TYPE - Heat Tolerant & Hardy To Zone 3 Blackberry - Rubus ALLEGHENIENSIS Hardy to Zone 3 ~!! Rubus allegheniensis is a deciduous Shrub growing to 3 m (9ft 10in) at a medium rate. It is hardy to zone 3 and is not frost tender. It is in flower from May to July, and the seeds ripen from Aug to September. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Apomictic.The plant is self-fertile. 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..It can grow in semi-shade (light woodland) or no shade.It requires moist soil. Growing Info: Scarification: Soak in hot tap water, let stand in water for 24 hours Stratification: cold stratify for 90 days Germination: sow seed 1/8" deep, tamp the soil, mulch the seed bed Other: if hot water treatment does not allow seed to imbibe, boiling water or sulfuric acid treatment is required can be fall sown without stratification. may also require warm stratification, so germinatioin may be delayed by 1 year. if boiling water treatment does not allow seed to imbibe, sulfuric acid treatment is required, may also require warm strat., so germ. may be delayed by 1 year. Characteristics Wildlife Food Drought Tolerant Flowering Shrub Heat Tolerant Edible Fruit/Nuts Fall Color Urban Tolerant Ground Cover Mine Reclamation