1. Sunny Gold Stella d'Oro Daylily
The Stella d'Oro daylily is a tough perennial known for its trumpet-shaped yellow flowers that bloom all summer long. It thrives in hot, dry conditions and complements well with plants like the blue ornamental onion.
2. 'Immortality' Reblooming Iris
This tall bearded iris is celebrated for its reliable display of snowy-white flowers in both spring and fall. With ruffled blooms atop 30-inch stems, it's an easy-to-grow perennial that adds elegance to any garden.
3. Bloomerang Reblooming Lilac
The Bloomerang lilac offers the classic lilac fragrance from spring through fall. This compact variety grows up to 5 feet tall and wide, producing lavender-purple flowers perfect for cutting.
4. Endless Summer Hydrangea
Unlike most hydrangeas, Endless Summer blooms repeatedly on new growth throughout the summer. It's ideal for colder climates where winter damage can hinder other hydrangeas from flowering.
5. Knock Out Rose
The Knock Out rose series, including varieties like Pink Double Knock Out, blooms almost continuously throughout summer. These roses are low-maintenance, disease-resistant, and come in various colors.
6. Jackmanii Clematis
Add a touch of royal purple to your garden with Jackmanii clematis. Its profusion of purple petals in early summer is followed by sporadic blooms throughout the season, making it a stunning climber.
7. May Night Perennial Salvia
Known for its deep purple spires that bloom in late spring, May Night perennial salvia can rebloom in late summer if deadheaded after the initial bloom period. It's a striking addition to any garden border or bed.