USDA Hardiness Zones: 4 to 8Color Varieties: White, red, pink, purple, yellowSun Exposure: Full sun to part shadeSoil Needs: Fertile loam, well-drained

USDA Hardiness Zones: 3 to 7Color Varieties: Orange, red, pink, purple, white, peach, maroon, salmonSun Exposure: Full sunSoil Needs: Fertile, well-drained soil with average moisture

A sheltered site with some shade will help your hydrangeas shine throughout the growing season. 

USDA Hardiness Zones: 3 to 9 (depends on species)Color Varieties: Blue, pink, white, red, purpleSun Exposure: Full sun to part shadeSoil Needs: Rich, porous, rich soil; pH can affect bloom color of some species

USDA Hardiness Zones: 8 to 11; grown as an annual in colder climatesColor Varieties: White, pink, red, yellow, cream, orange, purple, maroon; solid and bi-colorsSun Exposure: Full sun (some afternoon shade helps in very warm climates)Soil Needs: Moist but not soggy, rich, well-draining soil

Although you cannot cultivate this plant in a typical water garden, you can admire healthy examples of the giant water lily in botanical gardens like Longwood Gardens in Pennsylvania. 

USDA Hardiness Zones: 10 to 11 (V. amazonica)Color Varieties: White to pink/purpleSun Exposure: Full sunSoil Needs: Submerged rich loam

USDA Hardiness Zones: 5 to 9Color Varieties:  White, yellow, pink, apricot, burgundy, red, and bi-colorsSun Exposure: Full sun to part shadeSoil Needs: Medium-moisture, well-drained soil; thrives in slightly acidic soil

USDA Hardiness Zones: 8 to 10; normally planted as an annual, even in warm climates because a winter chilling period is requiredColor Varieties: Red, pink, white, salmon; solid, striped, and bi-coloredSun Exposure: Full sun to part shadeSoil Needs: Humusy, well-drained potting soil; rich, well-drained soil when planted in the garden

USDA Hardiness Zones: these are true annuals in all climatesColor Varieties: Yellow, cream, gold, white, maroon, brown; bi-color and solidSun Exposure: Full sunSoil Needs: Average, moist, well-drained

USDA Hardiness Zones: 4 or 5 through 9Color Varieties: White, red, pinkSun Exposure: Full sunSoil Needs: Well-drained loam

USDA Hardiness Zones: 10 to 12; usually grown as an annualColor Varieties: WhiteSun Exposure: Full sunSoil Needs: Tolerates any soil type

USDA Hardiness Zones: 4 to 11 (varies, depending on variety)Color Varieties: White, yellow, red, pink, orange; solid and bi-colorsSun Exposure: Full sunSoil Needs: Well-drained loam

USDA Hardiness Zones: 9 to 12Color Varieties: Red, pink, creamy whiteSun Exposure: Full sunSoil Needs: Average to rocky very well-drained soil; prefers acidic soil

USDA Hardiness Zones: 2 to 11; normally grown as an annualColor Varieties: Orange, red, purple, yellow, pinkSun Exposure: Full sunSoil Needs: Rich, moist, well-drained soil; tolerates dry soil

USDA Hardiness Zones: 5 to 9Color Varieties: Purple and pink are common; yellow, and red cultivars are also availableSun Exposure: Full sunSoil Needs: Average, well-drained soil

USDA Hardiness Zones: 7 to 9 (Camellia sinensis)Color Varieties: White, pink, red, yellow, lavenderSun Exposure: Filtered sun, part shadeSoil Needs: Consistent moisture, acidic, well-drained soil