Transforming your urban space with pops of color is easy with the right flowering plants for your planter boxes. For maximum impact, consider these stellar choices.
For Full Sun Locations, nothing beats the prolific and vibrant Petunias. They cascade beautifully and bloom non-stop from spring to frost. Geraniums (Pelargoniums) are another classic, drought-tolerant choice offering bold reds, pinks, and whites. For a vertical element, add Sweet Potato Vine with its vibrant chartreuse or purple foliage, or mix in spiky Salvia for height and texture.
If your space gets Afternoon Shade or Filtered Light, you have fantastic options. Begonias thrive without direct sun, providing lush foliage and continuous flowers in shades of pink, white, and red. Impatiens are shade champions, creating a dense carpet of bright color. For elegant, trailing blooms, Trailing Fuchsia is a perfect pick.
Pro Tips for Success: Ensure your boxes have drainage holes. Use a high-quality potting mix, not garden soil. Water regularly, as containers dry out quickly. Feed every two weeks with a balanced, water-soluble fertilizer to support constant blooming. Deadhead spent flowers to encourage new buds.
By mixing heights, textures, and bloom times, you can create a dynamic, colorful display that brings life and joy to any balcony, patio, or windowsill all season long.