Growing Conditions: Full sun in moist, well-drained soil Size: To 4 feet tall Zones: 5-9 Buy It: Midnight Bluebeard ($19, The Home Depot) Growing Conditions: Full sun in moist, well-drained soil Size: To 10 feet tall or more Zones: 5-9 Buy It: ‘Miss Molly’ Butterfly Bush ($30, The Home Depot) Growing Conditions: Full sun to part shade in moist, well-drained soil Size: To 8 feet tall Zones: 5-9 Buy It: Carolina Allspice Plants ($12, Etsy) Growing Conditions: Full sun to part shade in moist, well-drained soil Size: To 10 feet tall and wide Zones: 4-8 Buy It: ‘Limelight’ Hardy Hydrangea ($33, The Home Depot) Growing Conditions: Full sun in well-drained soil with regular moisture Size: To 10 feet tall, depending on species Zones: 10-11 Buy It: Pink Oleander ($37, The Home Depot) Growing Conditions: Full sun in dry to moist soil Size: To 3 feet tall Zones: 3-7 Buy It: Gold Drop Potentilla Shrub ($30, The Home Depot) Growing Conditions: Part shade in evenly moist, well-drained soil Size: To 5 feet tall Zones: 5-9 Buy It: ‘Endless Summer’ Hydrangea ($24, The Home Depot) Growing Conditions: Full sun in well-drained soil on the dry side Size: To 5 feet tall Zones: 8-10 Buy It: Rock Rose ($10, Etsy) Test Garden Tip: When shopping for rose of Sharon, look for sterile varieties, such as ‘Minerva,’ that won’t fill your garden with a ton of weedy seedlings....