Ageratum Seeds - Dondo Blue

Ageratum Seeds - Dondo Blue

Size Price Savings Quantity
Packet $4.99
1 Ounce $29.39
1/4 Pound $76.69 ($19.17/ounce) 35% Savings
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  • Nearly-blue flowers tolerate the shadiest corners of the garden
  • Summer/Fall Blooming; Tall Plant with Blue Flowers
  • Tolerant of Sun and Partial Shade; Dense Growth
  • Annual; Long, Strong Stems are Excellent for Cutting
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Life Cycle Annual
Planting Season Spring
Color Blue
Growth Habit Compact Mounding
Plant Height 24 inches
Bloom Season Summer through Fall

Plant Characteristics Attracts Bees, Attracts Butterflies, Attracts Pollinators, Fragrant
Use Container Garden, Cut Flower Garden, Ground Cover
Growing Conditions Drought Tolerant, Outdoor
Plant Resistance Deer, Rabbit

About Ageratum Seeds - Dondo Blue

Ageratum houstonianum

Seed Type Heirloom Seed
Also known as Floss Flower, Mexican Paintbrush

Grow Heirloom Ageratum - Plant Dondo Blue Ageratum Seeds

An outstanding cut flower in a shocking shade of blue, Dondo Blue Ageratum truly shines when planted in groups to create a compact, dense flowering bush. Butterflies love them, and like all ageratums, Dondo Blue adds easy garden color in borders or containers from summer until frost.

Planting Information

Planting Ageratum Seeds - Dondo Blue

Planting Season Spring
Seed Prep Requires Light
Sowing Method Direct Sow
Light Requirement Full Sun, Partial Shade
Planting Depth 1/8 inch
Plant Spacing 6 to 10 inches
Plant Height 24 inches
Water Needs Average
Hardiness Zones 3, 4, 5, 6, 7, 8, 9, 10
Days to Maturity 60 to 90 days
View our Ageratum Planting Guide to learn more.


Amount Avg Seed Count Recommended Coverage
Packet 2,259 Up to 80 Sq. Ft
1 Ounce 213,500 Up to 625 Sq. Ft
1/4 Pound 854,000 Up to 2,500 Sq. Ft

Companions Plants

Companion Plants for Ageratum Seeds - Dondo Blue