Is a shamrock annual or perennial?

Where do sunflowers get their food from? How can I harvest lavender without killing the plant? Which trees found in hyderabad? What is the definition growing medium for plants? Why is my palm tree yellowing? How does disruptive coloration does worck for zebras? What is the difference between plants with flowers an plants without flower? Are Orchids food or shelter for any animales? How long can you grow? Why are my aloe plant leaves getting flat? How do you prune a hydrangea plant? Anmimls in grass land? Why is my Tradescantia Nanouk dying and how can I save it? What is a frill of lace called? Do you prune a Andromeda bush? How do hydrangeas change color? How many asparagus spears can be harvested from one plant? The price of carnations drops by 50 percent what happens? Is a Petunia a vascular plant? What is a green-striped zebra-ray?