Heartwarming blue flowers to plant this spring
Making up less than 10% of the flowering plant kingdom, plants with blue blooms are a rarity, but you still
have many options. This elite color group includes a wide range in shades ranging from sky blue to deep indigo and growth habits from groundcovers to large shrubs. And if you plan carefully, your garden will be singing the blues from early spring through late fall.
Let’s Dance Blue Jangles Hydrangea, Bigleaf Hydrangea, Hydrangea Arborescens, Blue Flower
Proven Winners
Sycamore, IL
Photo by: Proven Winners.
HYDRANGEA
Let’s Dance® Rhythmic Blue® Hydrangea — Buy now from Proven Winners
Hydrangea macrophylla
This reblooming hydrangea produces huge mophead flowers all summer, without pruning. It also performs well in colder climates. For the best blue, keep your soil acidic and treat with aluminum sulfate.
Plant Type / Zones: Shrub, Zones 5-9
Size: 3 to 4 feet tall and wide
Bloom time: Midsummer to early fall
Exposure: Full sun to partial shade
Rockin Playin The Blues Salvia, Salvia Hybrid, Blue Salvia
Proven Winners
Sycamore, IL
SALVIA
When the flowers finish blooming, the color continues because the calyxes retain their deep-blue hue long after the flowers fade. Even better, new flower spikes continue to emerge all summer long.
after the flowers fade. Even better, new flower spikes continue to emerge all summer long.
Plant Type / Zones: Perennial in Zones 7-10; usually grown as an annual
Size: 2 to 4 feet tall, 2 to 3 feet wide
Bloom time: Planting until frost
Exposure: Full sun to partial shade
Little Galaxy Agapanthus, Agapanthus Plant
Proven Winners
Sycamore, IL
Photo by: Proven Winners.
LILY OF THE NILE
Agapanthus hybrid
This more compact, blue-flowered wonder produces huge, globe-like flower clusters held high above clumps of narrow leaves. The seedpods that follow are almost as attractive as the flowers.
Plant Type / Zone: Perennial, Zones 6-11
Size: 22 to 26 inches tall and wide
Bloom time: July to September
Exposure: Full sun
Blue Chiffon Hibiscus, Blue Flowers, Rose Of Sharon, Hibiscus Syriacus
Proven Winners
Sycamore, IL