18. Stock
Stock, also known as Matthiola, is a lesser-known but incredibly rewarding flower to grow if fragrance is a top priority. The blooms appear on upright stalks and give off a warm, spicy scent reminiscent of cinnamon, cloves, or nutmeg—especially noticeable in the evening. Stock flowers come in pastel shades of lavender, white, pink, and soft yellow, and they work beautifully in cottage gardens, borders, or containers. This cool-season annual prefers mild weather, making it ideal for planting in early spring or fall. It thrives in full sun to partial shade and benefits from regular watering and rich soil. While individual flowers are small, they’re densely packed on each stem, creating a lush look. Cut a few stems for an indoor vase, and your room will smell like a spiced bakery for days. With its sweet scent and elegant appearance, stock is a hidden gem for fragrance lovers.