Name: Campanula persicifolia Growing Conditions: Full sun to part shade and well-drained soil Size: To 3 feet tall Zones: 3-7, depending on variety Buy It: Bellflower ($9, The Home Depot) Name: Aquilegia varieties Growing Conditions: Full sun to part shade in well-drained soil Size: To 3 feet tall Zones: 3-8, depending on variety Name: Heuchera varieties Growing Conditions: Full sun to part shade and well-drained soil Size: To 18 inches tall Zones: 3-8 Name: Leucanthemum varieties Growing Conditions: Full sun to part shade and well-drained soil Size: To 3 feet tall Zones: 5-9 Name: Delphinium varieties Growing Conditions: Full sun and well-drained soil Size: 4-6 feet tall, depending on variety Zones: 3-7, depending on variety Buy It: Cobalt Dreams Delphinium ($17, The Home Depot) Name: Dianthus varieties Growing Conditions: Full sun to part shade and well-drained soil Size: To 1 foot tall Zones: 6-9, depending on variety Buy It: Pink Dianthus ($21, The Home Depot ) Name: Digitalis varieties Growing Conditions: Full sun to part shade and moist, well-drained soil Size: 2-5 feet tall, depending on variety Zones: 4-8, depending on variety Name: Alcea rosea Growing Conditions: Full sun and medium moist well-drained soil Size: 6-8 feet tall, depending on variety Zones: 2-10 Buy It: Alcea rosea ‘Nigra’ ($15, White Flower Farm) Name: Hydrangea macrophylla Growing Conditions: Part sun to full shade and medium moist, well-drained soil Size: To 10 feet tall Zones: 5-11 Buy It: Bloomstruck Hydrangea ($23, The Home Depot) Name: Iris varieties Growing Conditions: Full sun to part shade and medium moist, well-drained soil Height: to 4 feet tall Zones: 3-8 Name: Lavandula varieties Growing Conditions: Full sun and well-drained soil Size: 1-2 feet tall Zones: 5-8, depending on variety Name: Alchemilla mollis Growing Conditions: Full sun to part shade and medium moist, well-drained soil Size: 1-2 feet tall Zones: 3-8 Buy It: Alchemilla mollis ($14, White Flower Farm) Name: Paeonia varieties Growing Conditions: Full sun to part shade and medium moist, well-drained soil Size: To 3 feet tall, depending on variety Zones: 3-8, depending on variety Name: Geranium ‘Johnson’s Blue’ Growing Conditions: Full sun to part shade and medium moist, well-drained soil Size: To 18 inches tall Zones: 4-8 Name: Phlox paniculata Growing Conditions: Full sun to part shade and medium moist, well-drained soil Size: To 4 feet, depending on variety Zones: 4-8 Buy It: Bright Eyes Tall Garden Phlox ($19, The Home Depot) Name: Dianthus barbatus Growing Conditions: Full sun to part shade and well-drained soil Size: To 2 feet tall Zones: 3-9, depending on variety Name: Viola varieties Growing Conditions: Full sun to part shade and evenly moist, well-drained soil Size: To 9 inches tall Zones: 6-11, depending on variety