Lavender Plants In Front Of House . Rare flowers that are absolutely beautiful (including the rarest flowers in the world) the best fragrant flowers: Lavender is basically a healing oil and it unmatches the beauty in our landscape. The Lavender Garden Rare Plant Fair from www.rareplantfair.co.uk The best companion plants for lavender 1. Consider planting them under a tree. You can grow lavender hedge both in your front yard and backyard.