(Osmanthus fragrans)Why it's a standout:
In warm climates, sweet olive's tiny white to orange flowers perfume the air from fall through winter. To make the most of its fragrance, grow this drought-tolerant evergreen near a pathway or an entrance. Sweet olive can reach 8 to 15 feet tall and wide, but it's typically pruned shorter or trained as a tree.What it needs:
Full sun to partial shade; average to moist, well-drained soilZones:
8 to 11
Read how to banish invasives for good.