Dill (Anethum graveolens): Dill reduces tension and has a unique scent. Very easy to grow, this herb can be used in many cuisines.
Lemon Balm (Melissa officinalis): Its zesty smell lifts and reduces stress. It's a mint and easy to grow.
The butterfly palm, or areca palm, is an appealing and excellent air purifier. Its tropical appeal helps boost mood.
Lemon Tree (Citrus limon): The scent of lemon is often associated with freshness and cleanliness.
Oregano (Origanum vulgare): This fragrant herb enhances mood and tastes great in cookery. Growing in containers is simple.
English ivy (Hedera helix) purifies the air. Trailing vines can green shelves and baskets.