Growing Conditions: Full sun in well-drained soil Size: Grows to 4 feet tall and 2 feet wide Zones: 3-9 Growing Conditions: Full sun in well-drained soil Size: Grows to 5 feet tall and to 3 feet wide Zones: 3-9 Growing Conditions: Full sun to part shade in well-drained soil Size: Grows to 3 feet tall and 2 feet wide Zones: 4-9 Buy It: ‘Bumblebee’ Salvia ($16, Bluestone Perennials) Growing Conditions: Full sun in well-drained soil Size: Grows to 3 feet tall and wide Zones: 3-9 Buy It: Achillea ‘Sassy Summer Sunset’ ($19, Jackson & Perkins) Growing Conditions: Full sun to part shade in moist, well-drained soil Size: Grows to 4 feet tall and 3 feet wide Zones: 3-8 Buy It: ‘Goliath’ Tall Phlox ($26, The Home Depot) Growing Conditions: Part shade to full sun in moist, well-drained soil Size: Grows to 3 feet tall and wide Zones: 4-8 Test Garden Tip: Extend the show by growing different varieties. Asiatic lilies, for example, bloom in early to mid-summer; orienpet hybrids bloom in mid to late summer. Growing Conditions: Part shade to full sun in well-drained soil Size: Grows to 3-8 feet tall and 12 inches wide Zones: 3-9 Buy It: ‘Stargazer’ Lily Bulbs (from $20, Etsy) Growing Conditions: Part shade to full sun in well-drained soil Size: Grows to 3 feet tall and wide Zones: 3-8 Buy It: 50 ‘Blue Uniform’ Bellflower Seeds ($3, Swallowtail Garden Seeds) Growing Conditions: Full sun in well-drained soil Size: Grows to 3 feet tall and 2 feet wide Zones: 3-9 Buy It: Cheyenne Spirit Coneflower ($15, Michigan Bulb Co.) Test Garden Tip: Look for reblooming iris varieties. They put on a spring show and often flower again in fall. Growing Conditions: Full sun to part shade in moist, well-drained soil Size: Grows to 3 feet tall and 2 feet wide Zones: 3-9 Buy It: Reblooming Bearded Iris Collection ($85, Breck’s) Growing Conditions: Part shade to full sun in moist, well-drained soil Size: Grows to 4 feet tall and 3 feet wide Zones: 3-8 Buy It: ‘Riches and Fame’ Peony ($40, Breck’s) Growing Conditions: Part shade to full sun in moist, well-drained soil Size: Grows to 2 feet tall and 2 feet wide Zones: 4-7 Buy It: Lady’s Mantle ($14, White Flower Farm) Growing Conditions: Part shade to full sun in moist, well-drained soil Size: Grows to 5 feet tall and 4 feet wide Zones: 3-9 Growing Conditions: Full sun to part shade in moist, well-drained soil Size: Grows to 5 feet tall and 2 feet wide Zones: 3-9 Buy It: ‘Jacob Cline’ Bee Balm ($17, White Flower Farm) Growing Conditions: Part shade to full sun in moist, well-drained soil Size: Grows to 4 feet tall and indefinitely wide Zones: 2-8 Buy It: Crystal Peak White Obedient Plant ($11, High Country Gardens) Growing Conditions: Full shade to full sun in well-drained soil Size: Grows to 3 feet tall and 30 inches wide Zones: 3-9 Growing Conditions: Full sun to part shade in moist, well-drained soil Size: Grows to 4 feet tall and 3 feet wide Zones: 6-9 Buy It: ‘Erika’ Crocosmia ($9, Easy to Grow Bulbs) Growing Conditions: Full sun to part shade in well-drained soil Size: Grows to 3 feet tall and 2 feet wide Zones: 3-8 Buy It: ‘Goblin’ Blanket Flower ($15, Breck’s) Growing Conditions: Full sun in well-drained soil Size: Grows 2 feet tall and wide Zones: 3-8