When does foliage begin to appear?

Which landscaping rock style is best for flower beds? What is bt crop? What vital nutrients are needed for plants? How can I replace grass with rocks in my yard? What is the life span of a autumn blaze maple? What type of plant needs short nights in order to flower? What are zebras habitat and range? Can you over dose on kelp tablets sea weed? How can I prevent my skin from becoming wrinkled like a pepper? What method of transportation does the character poison Ivy typically use? Is a spruce considered a hard wood? What type of tree would you find in a coniferous Forest- pine tree or olive tree? Which of the following is composed of weathered rocks and decomposed organic material from dead plants and animals? Is redwood really red? What does the wind carry from one flower to another? What is a tree that also means to make wood smooth? How can I prevent mold from forming on my string of pearls plant? How can I successfully grow avocado indoors? Are coffee grounds good for azaleas and can they benefit the growth of these plants? What is Busporine?