Johnson’s Blue Geranium

Johnson’s Blue Geranium is a classic perennial with vivid blue-lavender blooms and finely cut foliage—perfect for softening borders and adding cottage garden charm.
Plant Type
Perennial
Light Requirement
Full sun to part shade
Max Height
18 inches
Max Spread
24 inches

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Geranium × ‘Johnson’s Blue’ is a hardy, clump-forming perennial prized for its long-lasting true blue flowers and mounding habit. It grows 12 to 18 inches tall and spreads up to 24 inches wide, blooming heavily in late spring and early summer. The deeply lobed, soft green leaves often turn red or orange in fall, adding seasonal interest. This geranium thrives in full sun to part shade and is ideal for borders, groundcovers, and naturalized areas.

This section shows how the plant will fit into your yard and into your life.

Seasonal Interest:

Blue-lavender blooms in late spring; colorful fall foliage

Landscape Uses:

Cottage gardens, borders, groundcover, naturalized plantings

Allergy Considerations:

Low

Kid/Pet Safety:

Non-toxic

Mess Factor:

Low — soft mound with minimal debris

Maintenance Level:

Low — shear after blooming to encourage new growth

This section covers practical care information for homeowners.

Water Needs:

Moderate — prefers consistent moisture, especially in heat

Soil Tolerance:

Well-drained soils; tolerates a range of soil types

Drought Tolerance:

Moderate

Deer Resistance:

High — rarely browsed

Pest/Disease Resistance:

High — generally trouble-free

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