When looking for companion plants that will be your oregano's best ... One good example is the coneflower (Echinacea angustifolia), which is also drought-tolerant and heat-resistant.

Boxwoods are classic and popular hedge shrubs that add visual interest and architectural lines to a garden or yard. Trim them ...

Once mature, it can reach up to 10” tall and wide. “Echinacea is a terrific companion plant for a tough customer - tomato - which often competes with other blooms for nutrients,” says Vater.