Buddleja davidii 'Ellens Blue'
shrub

Ellen's Blue Butterfly Bush

Buddleja davidii 'Ellens Blue'

The Story

Plant Bio

Buddleia davidii, or Butterfly Bush, is a fast-growing, deciduous shrub prized for its long, arching panicles of fragrant flowers that are highly attractive to butterflies and other pollinators.

'Ellen's Blue' is a vigorous, large cultivar known for its exceptionally long, dense panicles of fragrant, violet-blue flowers with orange eyes. It is a prolific bloomer from mid-summer to fall.

Uses & Benefits:

Ornamental UsesBuddleia davidii 'Ellens Blue' provides vibrant blue flowers that attract butterflies, making it a lively addition to gardens and borders.
Practical UsesIts drought tolerance and minimal pruning needs make it a low-maintenance plant for busy gardeners.
Ecological BenefitsServes as a nectar source for pollinators, supporting local biodiversity.

Essentials

At a Glance

Plant Type

Shrub

Height

84"

Width

72"

Light

Full Sun

Zones

5, 6, 7, 8, 9, 10

Water

Moderate, drought-tolerant once established

Humidity

Prefers dry to moderate humidity

Lifespan

Perennial

Native To

China

Toxicity

Non-toxic to humans and pets

Bloom period

Mid-summer – Late summer

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In flower about 2 months of the year

Planting

How to Grow

  1. Tuck seeds 1/4 inch deep into well-draining soil in early spring.
  2. Mist cuttings regularly to keep soil moist and encourage rooting.
  3. Transplant seedlings when they are 6-8 inches tall into full sun.
  4. Fertilize with a balanced fertilizer in early spring and mid-summer.
  5. Prune after flowering to maintain shape and promote new growth.
  6. Mulch around the base to retain moisture and suppress weeds.

Pro Tip

Pinch back young shoots to encourage bushier growth and more blooms.

Keep It Thriving

Care Guide

Do

  • Plant in full sun for best flowering 🌞
  • Water regularly during dry periods 💧
  • Prune annually to shape and remove dead branches ✂️
  • Apply mulch to conserve moisture and keep roots cool

Don't

  • Avoid overwatering to prevent root rot ❌
  • Don't prune in late fall or winter ❌
  • Refrain from using heavy clay soil without amendment ❌
  • Never ignore pest signs early on ❌

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Pest Check
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Violet-flowered shrub for bordersWildlife-attracting hedge with fragrant bloomsColorful backdrop in perennial beds

Companion Plants

LavandulaEchinaceaSalviaRudbeckiaCoreopsis

Multiply

Propagation Methods

Good to Know

Common Questions