Hi™ Horizon Blue Hydrangea brings striking color and classic charm to your garden. Its large mophead blooms emerge a vivid cobalt blue in acidic soils and shift to deep pink in alkaline conditions. With a compact habit and strong stems, it's perfect for containers, borders, or mass plantings. Reblooming and reliable, this hydrangea delivers lasting color through summer and into fall.

Light: Partial sun
Water: Keep soil consistently moist
Bloom Color: Blue in acidic soil, pink in alkaline soil
Bloom Time: Summer through fall
Mature Size: 3 to 4 ft. tall and wide
Type: Deciduous, Reblooming Hydrangea macrophylla
Features: Compact growth, vibrant blooms, great in containers or garden beds
Soil Needs: Moist, well-drained soil with pH-adjustable color

We recommend using EB Stone Organic Sure Start when planting to promote strong root growth and help ensure the health of the plant.

Companion Products:
– For blue blooms: Espoma Soil Acidifier
– For pink blooms: Espoma Garden Lime