Photo of Agapanthus campanulatus 'Cobalt Blue' flower by David Kelly

Photo by David Kelly

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Agapanthus campanulatus 'Cobalt Blue'

Also Known As

  • Agapanthus 'Cobalt Blue'
  • Cobalt Blue African Lily
  • Cobalt Blue Lily of the Nile

Plant type

perennial, bulb / corm / tuber

size

  • H: 3'-4'
  • W: 2'-3'

planting zones

  • 7a-10b

Agapanthus campanulatus 'Cobalt Blue' plant details

Agapanthus campanulatus 'Cobalt Blue' is a broadleaf deciduous perennial bulb / corm / tuber with green foliage. In summer blue flowers emerge. Features grassy texture. Attracts bees and hummingbirds making it an excellent addition to pollinator gardens. Grows well with sun - dappled shade and regular - low water. Drought tolerant once established. Does well in alkaline, average, rich and well-drained soil. A good option if you're seeking something heat tolerant, humidity tolerant, seaside / salt tolerant and verticillium wilt resistant.

CHARACTERISTICS OF Agapanthus campanulatus 'Cobalt Blue'

Plant type: perennial bulb / corm / tuber
Plant family: amaryllidaceae
Foliage: deciduous green
Mature size: 2 FT - 3 FT - wide, 3 FT - 4 FT - tall
Flowers: blue blooms in summer
Uses: border plant, clumping, container plant, cottage garden, cutting garden, rock garden, tropical-looking

GROWING CONDITIONS for Agapanthus campanulatus 'Cobalt Blue'

USDA Zones: 7a - 10b
Sun exposure: sun - dappled shade
Watering frequency: regular - low
Resistant to: deer, heat, humidity, seaside / salt and verticillium wilt
Soil needs: alkaline, average, rich and well-drained

Nursery contributed plant descriptions

Deep blue flowers in August. This flower is so dark it’s almost black. As with all the agapanthus 'Cobalt' is a good container plant as well as an excellent garden plant.

Gardening facts about Agapanthus campanulatus 'Cobalt Blue' plant

How to Grow Agapanthus campanulatus 'Cobalt Blue'

  • Sun Exposure

    • sun - dappled shade
  • Water Needs

    • regular - drought tolerant
  • Soil Needs

    • alkaline
    • average
    • well-drained
    • rich
  • Special Situation

    • heat tolerant
    • humidity tolerant
    • seaside / salt tolerant
    • verticillium wilt resistant

Features

  • Foliage Color

    • green
  • Flower Color

    • blue
  • Wildlife

    • bees
    • hummingbirds
    • deer resistant
  • Flower Season

    • summer
  • Foliage Season

    • deciduous
  • Texture

    • grassy
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