• Close-up of fluffy, purple Ageratum 'Dondo Blue' flowers with soft petals and a delicate texture.
  • A close-up of vibrant blue ageratum flowers with soft blooms, showcasing their delicate texture.
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Ageratum Seeds - Dondo Blue

Nearly-blue flowers tolerate the shadiest corners of the garden

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About the Variety

Key Features

Prefers Moist Soil
Container Friendly
Attracts Bees
Attracts Butterflies
Fast Growing
Easy to Grow
Ground Cover
Deer Resistant
Rabbit Resistant

Plant Details

BOTANICAL NAME

Ageratum houstonianum

LIFE CYCLE

  • Annual

LIGHT REQUIREMENT

  • Full Sun
  • Partial Shade

BLOOM SEASON

  • Summer through Fall

DAYS TO MATURITY

  • 60 to 90 days

GROWTH HABIT

  • Compact Mounding

PLANT HEIGHT

  • 24 inches

COLOR

  • Blue

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.

  • • Summer/Fall Blooming; Tall Plant with Blue Flowers
  • • Tolerant of Sun and Partial Shade; Dense Growth
  • • Annual; Long, Strong Stems are Excellent for Cutting

Planting Information

PLANTING SEASON

  • Spring

SOWING METHOD

  • Direct Sow

PLANTING DEPTH

  • 1/8 inch

WATER NEEDS

  • Average

PLANT SPACING

  • 6 to 10 inches

HARDINESS ZONES

  • N/A - Annual

SEED PREP

  • Requires Light

COVERAGE

Amount Avg Seed Count Recommended Coverage
Packet 2,259 Up to 80 Sq. Ft
1 Ounce 224,000 Up to 625 Sq. Ft
1/4 Pound 896,000 Up to 2,500 Sq. Ft

Planting Guide

View our Ageratum Planting Guide to learn more.

Ready to Grow

We guarantee that our seeds & bulbs will be true to type and ready to thrive. If something doesn't grow as expected, we will make it right. Questions? Call us at 855-440-2929

Ageratum Seeds - Dondo Blue

$5.99

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Ageratum Seeds - Dondo Blue FAQs

What is Dondo Blue Ageratum also known as?

Dondo Blue Ageratum is also known as Floss Flower and Mexican Paintbrush.

Is Dondo Blue Ageratum resistant to animals or disease?

Dondo Blue Ageratum is deer resistant and rabbit resistant, meaning deer and rabbits generally avoid it due to its taste, texture, or aroma.

What type of seed is Dondo Blue Ageratum?

Dondo Blue Ageratum is classified as heirloom seed and open pollinated seed.

Grown by Our Community • All ageratum