What trees are best for a tall hedges?

How is barley harvested? How can I fix grass patches in my lawn? What Products made are from seeds? Will watering a pine tree with salt water kill the tree? Are trumpet vine flowers edible? How can I successfully grow and care for cat grass by planting it in my home? Is black roses has any fragrance? What flowers are grown from a bulb? Can reel mowers effectively cut long grass? What happens to the seed coat of a bean embryo as it grows? Why are my black velvet alocasia leaves turning yellow? Will deer eat maple trees? What evergreen tree is not coniferous? Where can you find a picture of a sunflower? What does trees let off for humans to breath in? Which is a belt-like intercellular junction? Is lemon balm a perennial? Where are The Flower Fields located? What are agricultural producs produced in Soledad? How deep do potatoes typically grow in the ground and what factors can affect the depth of their growth?