Name: Black Locust Scientific Name: Robinia pseudoacacia Hardiness zone: 3 through 8 Plant height: 30-50 feet light requirements: full sun Soil & water preferences grow well in well-drained soil.
1. Scarification: Soak in hot water for 24hrs. Seeds should swell, if not soak seeds boiling water and let it stand in water for 24hrs 2. stratification: no required 3. germination: sow seeds 1/4" deep in the soil, tamp the soil & mulch the seedbed.
Note* if boiling water treatment does not allow seeds to imbibe, sulfuric acid treatment is required.