johnandersonphoto / Getty Images
USDA growing zones: 3 to 10Color varieties: Red, pink, orange, yellow, blue, purple, brown, whiteSun exposure: Full sunSoil needs: Humusy, medium moisture, well-draining
USDA growing zones: 4 to 9Color varieties: RedSun exposure: Full sun to part shadeSoil needs: Rich, humusy, moist
Paulo José Lima Gomes / Getty Images
USDA growing zones: 5 to 10Color varieties: Orange with red spotsSun exposure: Full sun, light shadeSoil needs: Average, moist, well-draining
USDA growing zones: 3 to 10Color varieties: Yellow, orange, red, maroonSun exposure: Full sunSoil needs: Rich, moist, well-draining
USDA growing zones: 4 to 9Color varieties: YellowSun exposure: Full sunSoil needs: Rich, moist, well-draining
USDA growing zones: 4 to 8Color varieties: BlueSun exposure: Full sun to part shadeSoil needs: Rich, humusy, well-draining
USDA growing zones: 3 to 9Color varieties: Blue, orange, pink, purple, red, white, yellowSun exposure: Part shadeSoil needs: Sandy or loamy, moist, well-draining
Alfira Poyarkova / Getty Images
USDA growing zones: 5 to 7Color varieties: YellowSun exposure: Part shade to shadeSoil needs: Average, medium, well-draining
Suna Viro / EyeEm / Getty Images
USDA growing zones: 5 to 9Color varieties: Red, orange, yellowSun exposure: Full sun to part shadeSoil needs: Average, neutral pH, well-draining
USDA growing zones: 3 to 9Color varieties: Red, pink, orange, yellow, purpleSun exposure: Full sunSoil needs: Moist, well-draining
USDA growing zones: 3 to 8Color varieties: YellowSun exposure: Full sunSoil needs: Average, dry to medium moisture, well-draining
Jennifer Yakey-Ault / Getty Images
USDA growing zones: 5 to 9Color varieties: YellowSun exposure: Full sun to part shadeSoil needs: Rich, medium moisture, acidic, well-draining
suzyco / Getty Images
USDA growing zones: 3 to 9Color varieties: WhiteSun exposure: Full sunSoil needs: Fertile, medium moisture, well-draining
liuyushan / Getty Images
USDA growing zones: 6 to 9Color varieties: Pink, whiteSun exposure: Part shade to full shadeSoil needs: Rich, moist, well-draining
qingwa / Getty Images
USDA growing zones: 4 to 9Color varieties: Yellow and brownSun exposure: Full sunSoil needs: Average, well-draining
USDA growing zones: 4 to 7Color varieties: PinkSun exposure: Full sun to part shadeSoil needs: Medium moisture, well-draining
igaguri_1 / Getty Images
USDA growing zones: 4 to 8Color varieties: Pinkish-white to roseSun exposure: Full sun to part shadeSoil needs: Fertile, consistently moist, well-draining
USDA growing zones: 7 to 10Color varieties: YellowSun exposure: Part shade to full shadeSoil needs: Rich, humusy, moist
Chris Burrows / Getty Images
USDA growing zones: 3 to 9Color varieties: BlueSun exposure: Full sun to part shadeSoil needs: Rich, moist, well-draining
DESIGNOSAURUS / Getty Images
USDA growing zones: 4 to 7Color varieties: Pink, redSun exposure: Part shadeSoil needs: Rich, medium to wet moisture, well-draining
skhoward / Getty Images
USDA growing zones: 5 to 8Color varieties: PurpleSun exposure: Full sun to part shadeSoil needs: Humusy, medium moisture, well-draining
USDA growing zones: 3 to 8Color varieties: BlueSun exposure: Full sunSoil needs: Average, dry to medium moisture, well-draining
AYImages / Getty Images
USDA growing zones: 3 to 7Color varieties: Red, pink, orange, yellow, whiteSun exposure: Full sun to part shadeSoil needs: Average, medium moisture, well-draining
chapin31 / Getty Images
USDA growing zones: 4 to 8Color varieties: RedSun exposure: Full sunSoil needs: Average, dry to medium moisture, well-draining
USDA growing zones: 2 to 9Color varieties: Pink, red, whiteSun exposure: Full sunSoil needs: Fertile, well-draining
Tntk / Getty Images
USDA growing zones: 4 to 8Color varieties: Pink, purple, whiteSun exposure: Full sun to part shadeSoil needs: Rich, medium moisture, well-draining
Janet Johnson / Getty Images
USDA growing zones: 4 to 9Color varieties: WhiteSun exposure: Full sun to part shadeSoil needs: Loamy, moist, well-draining
USDA growing zones: 4 to 8Color varieties: Blue-violet, pink, whiteSun exposure: Full sunSoil needs: Average, dry to medium moisture, well-draining
Laszlo Podor / Getty Images
USDA growing zones: 3 to 8Color varieties: BlueSun exposure: Part shadeSoil needs: Average, medium moisture, well-draining
Jacky Parker Photography / Getty Images
USDA growing zones: 3 to 8Color varieties: YellowSun exposure: Full sunSoil needs: Rich, moist
weisschr / Getty Images
USDA growing zones: 3 to 8Color varieties: WhiteSun exposure: Part shade to full shadeSoil needs: Rich, humusy, moist, well-draining
Tetiana Garkusha / Getty Images
USDA growing zones: 3 to 8Color varieties: Blue, purple, pink, whiteSun exposure: Full sunSoil needs: Average, medium moisture, well-draining
SkyF / Getty Images
USDA growing zones: 3 to 9Color varieties: BlueSun exposure: Full sun to part shadeSoil needs: Average, dry to medium moisture, well-draining
USDA growing zones: 3 to 9Color varieties: Yellow, white, pink, redSun exposure: Full sunSoil needs: Sandy, clay, or loamy; dry to medium moisture, well-draining