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Ageratum houstonianum 'Red Sea'

Also Known As

  • Floss Flower
  • Red Sea Ageratum

Plant type

annual / biennial

size

  • H: 24"-30"
  • W: 12"-24"

planting zones

  • 2a-12

Ageratum houstonianum 'Red Sea' plant details

Ageratum houstonianum 'Red Sea' is a broadleaf deciduous annual / biennial with green foliage. In fall and summer lavender and purple flowers emerge. Attracts beneficial insects, butterflies and hummingbirds making it an excellent addition to pollinator gardens. Grows well with sun - dappled shade and even moisture - regular water. Does well in average, rich and well-drained soil. A good option if you're seeking something heat tolerant, humidity tolerant and verticillium wilt resistant.

CHARACTERISTICS OF Ageratum houstonianum 'Red Sea'

Plant type: annual / biennial
Plant family: asteraceae
Foliage: deciduous green
Mature size: 12 IN - 24 IN - wide, 24 IN - 30 IN - tall
Flowers: lavender and purple blooms in fall and summer

GROWING CONDITIONS for Ageratum houstonianum 'Red Sea'

USDA Zones: 2a - 12
Sun exposure: sun - dappled shade
Watering frequency: even moisture - regular
Resistant to: deer and rabbit, heat, humidity and verticillium wilt
Soil needs: average, rich and well-drained

Nursery contributed plant descriptions

Once called Floss Flower, ageratum is now found in this lovely red-violet hue. Combine with our tall blue variety for a pleasing sea of color. Fuzzy flower heads bloom atop the tall stems, just made for cutting. Deadhead for all-summer bloom.

Gardening facts about Ageratum houstonianum 'Red Sea' plant

How to Grow Ageratum houstonianum 'Red Sea'

  • Sun Exposure

    • sun - dappled shade
  • Water Needs

    • even moisture - regular
  • Soil Needs

    • average
    • well-drained
    • rich
  • Special Situation

    • heat tolerant
    • humidity tolerant
    • verticillium wilt resistant

Features

  • Foliage Color

    • green
  • Flower Color

    • lavender
    • purple
  • Wildlife

    • beneficial insects
    • butterflies
    • hummingbirds
    • deer resistant
    • rabbit resistant
  • Flower Season

    • fall
    • summer
  • Foliage Season

    • deciduous

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